[GitHub] [trafficcontrol] rob05c opened a new issue #3374: Document Static DNS Entries Example

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rob05c opened a new issue #3374: Document Static DNS Entries Example
URL: https://github.com/apache/trafficcontrol/issues/3374
 
 
   We should create a Static DNS Entries page in the How To Guides, explaining how to create and use them.
   
   Example:
   
   In Traffic Portal
   1. Navigate to the Delivery Service’s page.
   2. Click the “More” button, in the top-right.
   3. In the More dropdown, Click “View Static DNS Entries”
   4. On the Static DNS Entries page, click the “+” button in the top-right
   5. You should now be at the Static DNS Entries creation form, with the following fields:
   
   *Host* the sub-domain to be served at that Delivery Service’s domain. For the CiaB DS, this is `video.demo1.mycdn.ciab.test`. For example, a host of `foo` will create the DNS record `foo.video.demo1.mycdn.ciab.test`.
   *Type* the DNS Record type - A, AAAA, CNAME, and TXT are supported.
   *TTL* the TTL of the DNS Record.
   *Address* the value of the DNS record to serve.
   
   6. After filling out the form and clicking “Create”, Snapshot the CDN.
   7. Once the Snapshot propagates to the Router, from within a container on the CiaB Docker Network, you should be able to request the record you created. For example:
   ```
   $ docker exec cdn-in-a-box_trafficvault_1 dig foo.video.demo1.mycdn.ciab.test
   
   ;; ANSWER SECTION:
   foo.video.demo1.mycdn.ciab.test. 30 IN      A   example.net.
   ```

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