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32 lines
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HTML
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</li> <li class=md-nav__item> <a href=How-to-use-Security-Groups-in-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to use Security Groups in Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-create-key-pair-in-OpenStack-Dashboard-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create key pair in OpenStack Dashboard on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-create-new-Linux-VM-in-OpenStack-Dashboard-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create new Linux VM in OpenStack Dashboard Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-install-Python-virtualenv-or-virtualenvwrapper-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to install Python virtualenv or virtualenvwrapper on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-start-a-VM-from-a-snapshot-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to start a VM from a snapshot on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=Status-Power-State-and-dependences-in-billing-of-instances-VMs-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Status Power State and dependencies in billing of instance VMs on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-upload-your-custom-image-using-OpenStack-CLI-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to upload your custom image using OpenStack CLI on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=VM-created-with-option-Create-New-Volume-No-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> VM created with option Create New Volume No on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=VM-created-with-option-Create-New-Volume-Yes-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> VM created with option Create New Volume Yes on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=What-is-an-OpenStack-domain-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> What is an OpenStack domain on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=What-is-an-OpenStack-project-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> What is an OpenStack project on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-create-a-Linux-VM-and-access-it-from-Windows-desktop-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create a Linux VM and access it from Windows desktop on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-create-a-Linux-VM-and-access-it-from-Linux-command-line-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create a Linux VM and access it from Linux command line on 3Engines Cloud </span> </a> </li> <li class="md-nav__item md-nav__item--active"> <input class="md-nav__toggle md-toggle" type=checkbox id=__toc> <label class="md-nav__link md-nav__link--active" for=__toc> <span class=md-ellipsis> DNS as a Service on 3Engines Cloud Hosting </span> <span class="md-nav__icon md-icon"></span> </label> <a href=DNS-as-a-Service-on-3Engines-Cloud-Hosting.html.html class="md-nav__link md-nav__link--active"> <span class=md-ellipsis> DNS as a Service on 3Engines Cloud Hosting </span> </a> <nav class="md-nav md-nav--secondary" aria-label="On this page"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> On this page </label> <ul class=md-nav__list data-md-component=toc data-md-scrollfix> <li class=md-nav__item> <a href=#what-we-are-going-to-cover class=md-nav__link> <span class=md-ellipsis> What We Are Going To Cover🔗 </span> </a> </li> <li class=md-nav__item> <a href=#prerequisites class=md-nav__link> <span class=md-ellipsis> Prerequisites🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-1-delegate-domain-to-your-registrars-system class=md-nav__link> <span class=md-ellipsis> Step 1 Delegate domain to your registrar’s system🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-2-zone-configuration class=md-nav__link> <span class=md-ellipsis> Step 2 Zone configuration🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-3-checking-the-presence-of-the-domain-on-the-internet class=md-nav__link> <span class=md-ellipsis> Step 3 Checking the presence of the domain on the Internet🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-4-adding-new-record-for-the-domain class=md-nav__link> <span class=md-ellipsis> Step 4 Adding new record for the domain🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-5-adding-records-for-subdomains class=md-nav__link> <span class=md-ellipsis> Step 5 Adding records for subdomains🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-6-managing-records class=md-nav__link> <span class=md-ellipsis> Step 6 Managing records🔗 </span> </a> </li> <li class=md-nav__item> <a href=#limitations class=md-nav__link> <span class=md-ellipsis> Limitations🔗 </span> </a> </li> <li class=md-nav__item> <a href=#what-to-do-next class=md-nav__link> <span class=md-ellipsis> What To Do Next🔗 </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=What-Image-Formats-are-available-in-OpenStack-3Engines-Cloud-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> What Image Formats are Available in OpenStack 3Engines Cloud cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-upload-custom-image-to-3Engines-Cloud-cloud-using-OpenStack-Horizon-dashboard.html.html class=md-nav__link> <span class=md-ellipsis> How to upload custom image to 3Engines Cloud cloud using OpenStack Horizon dashboard </span> </a> </li> <li class=md-nav__item> <a href=How-to-create-Windows-VM-on-OpenStack-Horizon-and-access-it-via-web-console-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create Windows VM on OpenStack Horizon and access it via web console on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-transfer-volumes-between-domains-and-projects-using-Horizon-dashboard-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to transfer volumes between domains and projects using Horizon dashboard on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=Spot-instances-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Spot instances on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-create-instance-snapshot-using-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create instance snapshot using Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-start-a-VM-from-instance-snapshot-using-Horizon-dashboard-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to start a VM from instance snapshot using Horizon dashboard on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=How-to-create-a-VM-using-the-OpenStack-CLI-client-on-3Engines-Cloud-cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create a VM using the OpenStack CLI client on 3Engines Cloud cloud </span> </a> </li> <li class=md-nav__item> <a href=OpenStack-user-roles-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> OpenStack User Roles on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=Resizing-a-virtual-machine-using-OpenStack-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Resizing a virtual machine using OpenStack Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a 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</nav> </div> </div> </div> <div class="md-sidebar md-sidebar--secondary" data-md-component=sidebar data-md-type=toc> <div class=md-sidebar__scrollwrap> <div class=md-sidebar__inner> <nav class="md-nav md-nav--secondary" aria-label="On this page"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> On this page </label> <ul class=md-nav__list data-md-component=toc data-md-scrollfix> <li class=md-nav__item> <a href=#what-we-are-going-to-cover class=md-nav__link> <span class=md-ellipsis> What We Are Going To Cover🔗 </span> </a> </li> <li class=md-nav__item> <a href=#prerequisites class=md-nav__link> <span class=md-ellipsis> Prerequisites🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-1-delegate-domain-to-your-registrars-system class=md-nav__link> <span class=md-ellipsis> Step 1 Delegate domain to your registrar’s system🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-2-zone-configuration class=md-nav__link> <span class=md-ellipsis> Step 2 Zone configuration🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-3-checking-the-presence-of-the-domain-on-the-internet class=md-nav__link> <span class=md-ellipsis> Step 3 Checking the presence of the domain on the Internet🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-4-adding-new-record-for-the-domain class=md-nav__link> <span class=md-ellipsis> Step 4 Adding new record for the domain🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-5-adding-records-for-subdomains class=md-nav__link> <span class=md-ellipsis> Step 5 Adding records for subdomains🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-6-managing-records class=md-nav__link> <span class=md-ellipsis> Step 6 Managing records🔗 </span> </a> </li> <li class=md-nav__item> <a href=#limitations class=md-nav__link> <span class=md-ellipsis> Limitations🔗 </span> </a> </li> <li class=md-nav__item> <a href=#what-to-do-next class=md-nav__link> <span class=md-ellipsis> What To Do Next🔗 </span> </a> </li> </ul> </nav> </div> </div> </div> <div class=md-content data-md-component=content> <article class="md-content__inner md-typeset"> <h1 id=dns-as-a-service-on-3engines-cloud-hosting>DNS as a Service on 3Engines Cloud Hosting<a href=#dns-as-a-service-on-brand-name-cloud-name-hosting title="Permalink to this headline">🔗</a><a class=headerlink href=#dns-as-a-service-on-3engines-cloud-hosting title="Permanent link">¶</a></h1> <p>DNS as a Service (DNSaaS) provides functionality of managing configuration of user’s domains. Managing configuration means that the user is capable of creating, updating and deleting the following DNS records:</p> <table> <thead> <tr> <th></th> <th></th> </tr> </thead> <tbody> <tr> <td>Type</td> <td>Description</td> </tr> <tr> <td>A</td> <td>Address record</td> </tr> <tr> <td>AAA</td> <td>IPv6 address record</td> </tr> <tr> <td>CNAME</td> <td>Canonical name record</td> </tr> <tr> <td>MX</td> <td>Mail exchange record</td> </tr> <tr> <td>PTR</td> <td>Pointer record</td> </tr> <tr> <td>SPR</td> <td>Sender Policy Framework</td> </tr> <tr> <td>SRV</td> <td>Service locator</td> </tr> <tr> <td>SSHFP</td> <td>SSH Public Key Fingerprint</td> </tr> <tr> <td>TXT</td> <td>Text record</td> </tr> </tbody> </table> <p>DNS configuration management is available via OpenStack web dashboard (Horizon), OpenStack command line interface as well as via the API.</p> <p>DNS records management is performed on the level of an OpenStack project.</p> <p>Since DNSaaS purpose is to deal with external domain names, the internal name resolution (name resolution for private IP addresses within user’s projects) is not covered by this documentation.</p> <h2 id=what-we-are-going-to-cover>What We Are Going To Cover<a href=#what-we-are-going-to-cover title="Permalink to this headline">🔗</a><a class=headerlink href=#what-we-are-going-to-cover title="Permanent link">¶</a></h2> <blockquote> <ul> <li>Domain delegation in registrar’s system</li> <li>Domain configuration through Zone configuration</li> <li>Checking the presence of the domain on the Internet</li> <li>Adding new record for the domain</li> <li>Adding records for subdomains</li> <li>Managing records</li> <li>Limitations in OpenStack DNSaaS</li> </ul> </blockquote> <h2 id=prerequisites>Prerequisites<a href=#prerequisites title="Permalink to this headline">🔗</a><a class=headerlink href=#prerequisites title="Permanent link">¶</a></h2> <p>No. 1 <strong>Account</strong></p> <p>You need a 3Engines Cloud hosting account with access to the Horizon interface: <a href=https://horizon.3Engines.com>https://horizon.3Engines.com</a>.</p> <p>No. 2 <strong>Must have access to a project in 3Engines Cloud OpenStack account</strong></p> <p>If you are a tenant manager, you will be able to either use the existing basic project or create new projects for yourself or your users.</p> <p>If you are a user of the account, the tenant manager will have already created a project for you.</p> <p>No. 3 <strong>Basic knowledge of DNS notions and principles</strong></p> <p>We assume you already have a</p> <blockquote> <ul> <li>basic knowledge of Domain Name Service principles as well as</li> <li>understanding of the purpose of DNS records.</li> </ul> </blockquote> <p>If not, please see <a href=https://en.wikipedia.org/wiki/Domain_Name_System>DNS article on Wikipedia</a> or <a href=https://docs.openstack.org/python-designateclient/latest/user/shell-v2.html.md>OpenStack DNSaaS command line reference</a></p> <p>No. 4 <strong>Must have domain purchased from a registrar</strong></p> <p>You also must own a domain purchased from any registrar (domain reseller). Obtaining a domain from registrars is not covered in this article.</p> <p>No. 5 <strong>Must have a Linux server with an assigned IP address</strong></p> <p>To verify DNS creation and propagation, you shall use the <strong>dig</strong> command from Linux. You will also need an IP address to point the domain name to. You may have already created one such VM in your 3Engines Cloud server and if not, here is how to create a virtual machine, assign a floating IP to it and access it from Windows desktop computer:</p> <p><a href=How-to-create-a-Linux-VM-and-access-it-from-Windows-desktop-on-3Engines-Cloud.html.html>How to create a Linux VM and access it from Windows desktop on 3Engines Cloud</a></p> <p>Or, you might connect from a Linux based computer to the cloud:</p> <p><a href=How-to-create-a-Linux-VM-and-access-it-from-Linux-command-line-on-3Engines-Cloud.html.html>How to create a Linux VM and access it from Linux command line on 3Engines Cloud</a></p> <p>In both cases, the article will contain a section to connect floating IP to the newly created VM. The generated IP address will vary, but for the sake of concreteness we shall assume that it is <strong>64.225.133.254</strong>. You will enter that value later in this article, to create record set for the site or service you are making.</p> <h2 id=step-1-delegate-domain-to-your-registrars-system>Step 1 Delegate domain to your registrar’s system<a href=#step-1-delegate-domain-to-your-registrar-s-system title="Permalink to this headline">🔗</a><a class=headerlink href=#step-1-delegate-domain-to-your-registrars-system title="Permanent link">¶</a></h2> <p>The configuration of domain name in your registrar’s system must point to the NS records of 3Engines name servers. It can be achieved in two ways:</p> <p><strong>Option 1 - Use 3Engines name servers (recommended)</strong></p> <p>Configure NS records for your domain to the following 3Engines name servers:</p> <table> <thead> <tr> <th></th> <th></th> <th></th> </tr> </thead> <tbody> <tr> <td>Purpose</td> <td>Name Server</td> <td>IP</td> </tr> <tr> <td>primary name server</td> <td>cloud-dns1.3Engines.com</td> <td>91.212.141.94</td> </tr> <tr> <td>secondary name server</td> <td>cloud-dns2.3Engines.com</td> <td>91.212.141.102</td> </tr> <tr> <td>secondary name server</td> <td>cloud-dns3.3Engines.com</td> <td>91.212.141.86</td> </tr> </tbody> </table> <p><strong>Option 2 - Set up your own glue records (not recommended)</strong></p> <p>Warning</p> <p>This configuration option may be not supported by some registrars.</p> <p>Configure glue records for your domain, so that they point to the following IP addresses:</p> <table> <thead> <tr> <th></th> <th></th> <th></th> </tr> </thead> <tbody> <tr> <td>Purpose</td> <td>Name Server</td> <td>IP</td> </tr> <tr> <td>primary name server</td> <td>ns1.exampledomain.com</td> <td>91.212.141.94</td> </tr> <tr> <td>secondary name server</td> <td>ns2.exampledomain.com</td> <td>91.212.141.102</td> </tr> <tr> <td>secondary name server</td> <td>ns3.exampledomain.com</td> <td>91.212.141.86</td> </tr> </tbody> </table> <h2 id=step-2-zone-configuration>Step 2 Zone configuration<a href=#step-2-zone-configuration title="Permalink to this headline">🔗</a><a class=headerlink href=#step-2-zone-configuration title="Permanent link">¶</a></h2> <p>Zone configuration is defining parameters for the main domain name you have purchased.</p> <p>To manage domain <em>exampledomain.com</em> in OpenStack, login to OpenStack dashboard, choose the right project if different than default, go to <strong>Project</strong> → <strong>DNS</strong> → <strong>Zones</strong>, click <strong>Create Zone</strong> and fill in the required fields:</p> <p><a class=glightbox href=../_images/dns1.png data-type=image data-width=100% data-height=auto data-desc-position=bottom><img alt=dns1.png src=../_images/dns1.png></a></p> <p>Here is what the parameters mean:</p> <blockquote> <ul> <li><strong>Name</strong>: your domain name</li> <li><strong>Description</strong>: free text description</li> <li><strong>Email Address</strong>: an administrative e-mail address associated with the domain</li> <li><strong>TTL</strong>: <em>Time To Live</em> in seconds - a period of time between refreshing cache in DNS servers. Please note that the longer time, the faster will be name recognition for your domain by external DNS servers but also if you introduce changes, they will propagate slower. The default value of 3600 seconds is a reasonable compromise.</li> <li><strong>Type</strong>: You may choose if OpenStack name servers will be primary or secondary for your domain. Default: Primary. In case you want to setup secondary name servers, you just define IP addresses or master DNS servers for the domain.</li> </ul> </blockquote> <p>After submitting, your domain should be served by OpenStack.</p> <h2 id=step-3-checking-the-presence-of-the-domain-on-the-internet>Step 3 Checking the presence of the domain on the Internet<a href=#step-3-checking-the-presence-of-the-domain-on-the-internet title="Permalink to this headline">🔗</a><a class=headerlink href=#step-3-checking-the-presence-of-the-domain-on-the-internet title="Permanent link">¶</a></h2> <p>It usually takes from 24 up to 48 hours for the domain name to propagate through the Internet so it will <strong>not</strong> be available right away. Rarely, domain name starts resolving in matters of minutes and hours instead of days, so it pays to try the domain address in your browser an hour or two after configuring the zone for the domain.</p> <p>There are several ways of checking whether the domain name has propagated.</p> <dl> <dt><strong>Domain name in the browser</strong></dt> <dd> <p>The most natural way of checking is to enter the domain name into the browser. If you get a message that the site cannot be found, you will have to wait longer.</p> <p>Browsers, in general, do not provide messages that pinpoint to the lack of propagation as the source of error. Be sure to check in the browser again after you add records to the zone (see below).</p> </dd> <dt><strong>Check with Linux dig command</strong></dt> <dd> <p>The <strong>dig</strong> command has several parameters. The following combination will show the presence of the name servers in the global DNS system:</p> <blockquote> <div class=highlight><pre><span></span><code><span id=__span-0-1><a id=__codelineno-0-1 name=__codelineno-0-1 href=#__codelineno-0-1></a>dig -t any +noall +answer exampledomain.com @cloud-dns1.3Engines.com
|
||
</span><span id=__span-0-2><a id=__codelineno-0-2 name=__codelineno-0-2 href=#__codelineno-0-2></a>exampledomain.com. 3600 IN SOA cloud-dns2.3Engines.com. [email protected]. 1675003306 3588 600 86400 3600
|
||
</span><span id=__span-0-3><a id=__codelineno-0-3 name=__codelineno-0-3 href=#__codelineno-0-3></a>exampledomain.com. 3600 IN NS cloud-dns1.3Engines.com.
|
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</span><span id=__span-0-4><a id=__codelineno-0-4 name=__codelineno-0-4 href=#__codelineno-0-4></a>exampledomain.com. 3600 IN NS cloud-dns3.3Engines.com.
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</span><span id=__span-0-5><a id=__codelineno-0-5 name=__codelineno-0-5 href=#__codelineno-0-5></a>exampledomain.com. 3600 IN NS cloud-dns2.3Engines.com.
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</span></code></pre></div> </blockquote> </dd> <dt><strong>Check with Linux curl command</strong></dt> <dd>The <strong>curl</strong> command will transfer data from one domain address to the host on which it is running. Here is what the output would look like for the domain name that does not exist:</dd> </dl> <div class=highlight><pre><span></span><code><span id=__span-1-1><a id=__codelineno-1-1 name=__codelineno-1-1 href=#__codelineno-1-1></a>curl someinvaliddomain.com
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</span><span id=__span-1-2><a id=__codelineno-1-2 name=__codelineno-1-2 href=#__codelineno-1-2></a>curl: (6) Could not resolve host: someinvaliddomain.com
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</span></code></pre></div> <p>If the site responds via HTML that means the domain was resolved:</p> <div class=highlight><pre><span></span><code><span id=__span-2-1><a id=__codelineno-2-1 name=__codelineno-2-1 href=#__codelineno-2-1></a>curl exampledomain.com
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</span><span id=__span-2-2><a id=__codelineno-2-2 name=__codelineno-2-2 href=#__codelineno-2-2></a><!DOCTYPE html>
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</span><span id=__span-2-3><a id=__codelineno-2-3 name=__codelineno-2-3 href=#__codelineno-2-3></a><html>
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</span><span id=__span-2-4><a id=__codelineno-2-4 name=__codelineno-2-4 href=#__codelineno-2-4></a><head>
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</span><span id=__span-2-5><a id=__codelineno-2-5 name=__codelineno-2-5 href=#__codelineno-2-5></a> ...
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</span></code></pre></div> <dl> <dt><strong>Check with sites that specialize in DNS configuration tracking</strong></dt> <dd> <p>There are sites that will show on the map of the world whether the chosen servers on the Internet know about the domain name or not. Search in the search engine of your choice for a key phrase such as “<em>DNS checker propagation</em>”, choose a site and enter the domain name.</p> <p>Specify <strong>A</strong> to see the propagation of the domain itself and specify <strong>NS</strong> to see the propagation of nameservers across the Internet.</p> </dd> </dl> <h2 id=step-4-adding-new-record-for-the-domain>Step 4 Adding new record for the domain<a href=#step-4-adding-new-record-for-the-domain title="Permalink to this headline">🔗</a><a class=headerlink href=#step-4-adding-new-record-for-the-domain title="Permanent link">¶</a></h2> <p>To add a new record to the domain, click on <strong>Create Record Set</strong> next to the domain name and fill in the required fields. The most important entry is to connect the domain name to the IP address you have. To configure an address of web server in <strong>exampledomain.com</strong>, so that it is resolved to <strong>64.225.133.254</strong> which is a Floating IP address of your server, fill the form as follows:</p> <p><a class=glightbox href=../_images/create_main_site_dns.png data-type=image data-width=100% data-height=auto data-desc-position=bottom><img alt=create_main_site_dns.png src=../_images/create_main_site_dns.png></a></p> <p>The parameters are:</p> <blockquote> <ul> <li><strong>Type</strong>: Type of record (for example A, MX, etc.)</li> <li><strong>Name</strong>: name of the record (for example <strong>www.exampledomain.com</strong>, <strong>mail.exampledomain.com</strong>, …)</li> <li><strong>Description</strong>: free text description</li> <li><strong>TTL</strong>: Time To Live in seconds - a period of time between refreshing cache in DNS serves.</li> <li><strong>Records</strong>: Desired record value (there may be more than one - one per line):</li> </ul> <blockquote> <ul> <li>for records of Type A put IP address</li> <li>for records of Type MX put name of a mail server which hosts e-mails for the domain</li> <li>for records of Type CNAME put original name which is to be aliased</li> </ul> </blockquote> </blockquote> <p>Submit the form and check whether your configuration works:</p> <div class=highlight><pre><span></span><code><span id=__span-3-1><a id=__codelineno-3-1 name=__codelineno-3-1 href=#__codelineno-3-1></a>dig -t any +noall +answer exampledomain.com @cloud-dns1.3Engines.com
|
||
</span><span id=__span-3-2><a id=__codelineno-3-2 name=__codelineno-3-2 href=#__codelineno-3-2></a>exampledomain.com. 3600 IN SOA cloud-dns2.3Engines.com. XXXXXXXXX.YYYYYYYY.com. 1675325538 3530 600 86400 3600
|
||
</span><span id=__span-3-3><a id=__codelineno-3-3 name=__codelineno-3-3 href=#__codelineno-3-3></a>exampledomain.com. 3600 IN A 64.225.133.254
|
||
</span><span id=__span-3-4><a id=__codelineno-3-4 name=__codelineno-3-4 href=#__codelineno-3-4></a>exampledomain.com. 3600 IN NS cloud-dns1.3Engines.com.
|
||
</span><span id=__span-3-5><a id=__codelineno-3-5 name=__codelineno-3-5 href=#__codelineno-3-5></a>exampledomain.com. 3600 IN NS cloud-dns2.3Engines.com.
|
||
</span><span id=__span-3-6><a id=__codelineno-3-6 name=__codelineno-3-6 href=#__codelineno-3-6></a>exampledomain.com. 3600 IN NS cloud-dns3.3Engines.com.
|
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</span></code></pre></div> <p>Note</p> <p>Each time a name of domain or a server is added or edited, add dot ‘.’ at the end of the entry. For example: <strong>exampledomain.com.</strong> or <strong>mail.exampledomain.com.</strong>.</p> <h2 id=step-5-adding-records-for-subdomains>Step 5 Adding records for subdomains<a href=#step-5-adding-records-for-subdomains title="Permalink to this headline">🔗</a><a class=headerlink href=#step-5-adding-records-for-subdomains title="Permanent link">¶</a></h2> <p>Defining subdomains is similar except that, normally, the subdomain would propagate within minutes instead of days.</p> <p>As previously, use command is <strong>DNS</strong> -> <strong>Zones</strong> -> <strong>Record Sets</strong>.</p> <p>To configure an address of web server in <strong>exampledomain.com</strong>, so that <strong>www.exampledomain.com</strong> is resolved to <strong>64.225.133.254</strong> which is a Floating IP address of your server, fill the form as follows:</p> <p><a class=glightbox href=../_images/create_www_subdomain.png data-type=image data-width=100% data-height=auto data-desc-position=bottom><img alt=create_www_subdomain.png src=../_images/create_www_subdomain.png></a></p> <p>Submit the form and check whether your configuration works:</p> <div class=highlight><pre><span></span><code><span id=__span-4-1><a id=__codelineno-4-1 name=__codelineno-4-1 href=#__codelineno-4-1></a>dig -t any +noall +answer www.exampledomain.com @cloud-dns1.3Engines.com
|
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</span><span id=__span-4-2><a id=__codelineno-4-2 name=__codelineno-4-2 href=#__codelineno-4-2></a>www.exampledomain.com. 3600 IN A 64.225.133.254
|
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</span></code></pre></div> <h2 id=step-6-managing-records>Step 6 Managing records<a href=#step-6-managing-records title="Permalink to this headline">🔗</a><a class=headerlink href=#step-6-managing-records title="Permanent link">¶</a></h2> <p>Anytime you want to review, edit or delete records in your domain, visit OpenStack dashboard, <strong>Project</strong> → <strong>DNS</strong> → <strong>Zones</strong>. After clicking the domain name of your interest, choose <strong>Record Sets</strong> tab and see the list of all records:</p> <p><a class=glightbox href=../_images/show_example_domain_record_sets.png data-type=image data-width=100% data-height=auto data-desc-position=bottom><img alt=show_example_domain_record_sets.png src=../_images/show_example_domain_record_sets.png></a></p> <p>From this screen you can update or delete records.</p> <h2 id=limitations>Limitations<a href=#limitations title="Permalink to this headline">🔗</a><a class=headerlink href=#limitations title="Permanent link">¶</a></h2> <p>There are the following limitations in OpenStack DNSaaS:</p> <blockquote> <ul> <li>You cannot manage NS records for your domain. Therefore</li> </ul> <blockquote> <ul> <li>you cannot add additional secondary name servers</li> <li>you are unable to delegate subdomains to external servers</li> <li>Even though you are able to configure reverse DNS for your domain, this configuration will have no effect since reverse DNS for 3Engines Cloud IP pools are managed on DNS servers other than OpenStack DNSaaS.</li> </ul> </blockquote> </blockquote> <h2 id=what-to-do-next>What To Do Next<a href=#what-to-do-next title="Permalink to this headline">🔗</a><a class=headerlink href=#what-to-do-next title="Permanent link">¶</a></h2> <p>Once an OpenStack object has floating IP address, you can use the DNS service to propagate a domain name and, thus, create a service or a site. There are several situations in which you can create a floating IP address:</p> <dl> <dt>You already have an existing VM</dt> <dd>Follow the procedure in article <a href=../networking/How-to-Add-or-Remove-Floating-IPs-to-your-VM-on-3Engines-Cloud.html.html>How to Add or Remove Floating IP’s to your VM on 3Engines Cloud</a> to assign a new floating IP to it.</dd> <dt>Assign floating IP while creating a new VM from scratch</dt> <dd>That is the approach in articles from Prerequisite No. 5.</dd> <dt><strong>Kubernetes services can have an automatically assigned floating IP</strong></dt> <dd>The following article shows how to deploy an HTTPS service on Kubernetes:</dd> </dl> <p><a href=../kubernetes/Deploying-HTTPS-Services-on-Magnum-Kubernetes-in-3Engines-Cloud-Cloud.html.html>Deploying HTTPS Services on Magnum Kubernetes in 3Engines Cloud Cloud</a></p> </article> </div> <script>var target=document.getElementById(location.hash.slice(1));target&&target.name&&(target.checked=target.name.startsWith("__tabbed_"))</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8z"/></svg> Back to top </button> </main> <footer class=md-footer> <nav class="md-footer__inner md-grid" aria-label=Footer> <a href=How-to-create-a-Linux-VM-and-access-it-from-Linux-command-line-on-3Engines-Cloud.html.html class="md-footer__link md-footer__link--prev" aria-label="Previous: How to create a Linux VM and access it from Linux command line on 3Engines Cloud"> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg> </div> <div class=md-footer__title> <span class=md-footer__direction> Previous </span> <div class=md-ellipsis> How to create a Linux VM and access it from Linux command line on 3Engines Cloud </div> </div> </a> <a href=What-Image-Formats-are-available-in-OpenStack-3Engines-Cloud-Cloud.html.html class="md-footer__link md-footer__link--next" aria-label="Next: What Image Formats are Available in OpenStack 3Engines Cloud cloud"> <div class=md-footer__title> <span class=md-footer__direction> Next </span> <div class=md-ellipsis> What Image Formats are Available in OpenStack 3Engines Cloud cloud </div> </div> <div class="md-footer__button md-icon"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> Made with <a href=https://squidfunk.github.io/mkdocs-material/ target=_blank rel=noopener> Material for MkDocs </a> </div> </div> </div> </footer> </div> <div class=md-dialog data-md-component=dialog> <div class="md-dialog__inner md-typeset"></div> </div> <script id=__config type=application/json>{"base": "..", "features": ["content.code.annotate", "content.code.copy", "content.tooltips", "navigation.tabs", "navigation.sections", "navigation.footer", "navigation.indexes", "navigation.sections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow"], "search": "../assets/javascripts/workers/search.d50fe291.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": null}</script> <script src=../assets/javascripts/bundle.13a4f30d.min.js></script> <script id="init-glightbox">const lightbox = GLightbox({"touchNavigation": false, "loop": false, "zoomable": true, "draggable": true, "openEffect": "zoom", "closeEffect": "zoom", "slideEffect": "slide"});
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