Can not pass the 'Validate the custom domain' step during add a new 'Domain' to Azure Front Door Standart/Premium (Preview)

Nuri Engin 31 Reputation points
2021-09-22T13:27:07.887+00:00

I've followed the 'Quickstart: Create an Azure Front Door Standard/Premium profile - Azure portal' document (1) and created my Front Door source with 'Premium' tier. The 'Caching: Ignore Query String' and 'Private Links' features are also enabled. I've connected the Front Door to the existing Azure web-app service and the default domain-host with '.z01.azurefd.net' works totally fine.

The problem shows up during validating a custom domain with an external DNS provider. I've followed up on the 'Create a custom domain on Azure Front Door Standard/Premium SKU (Preview) using the Azure portal' document (2). I've added the domain and now struggling with validation process. Followed document and generated 'TXT' record to added my DNS provider (3) and generated required TXT record. The 'Vaildate the custom domain' window generates the 'Record name' with underscore like '_dnsauth' but says 'If you're using another DNS provider, manually create a new TXT record of name dnsauth.<your_subdomain> with the record value as shown on the page.'

I've set the both 'dnsauth.<my_subdomain>' and '_dnsauth.<my_subdomain>' but still whenever I click on Refresh Status button, there is no any action. (4)

What might be missing there with this setup?

Thanks for help.

(1) https://learn.microsoft.com/en-us/azure/frontdoor/standard-premium/create-front-door-portal
(2) https://learn.microsoft.com/en-us/azure/frontdoor/standard-premium/how-to-add-custom-domain
(3) We are working with Digital Ocean
(4) A screenshot from the Portal Azure @ https://nimb.ws/xkDSRe

Azure Front Door
Azure Front Door
An Azure service that provides a cloud content delivery network with threat protection.
586 questions
0 comments

2 answers

Sort by: Most helpful
Most helpful Newest Oldest
  1. ChaitanyaNaykodi-MSFT 23,106 Reputation points Microsoft Employee
    2021-09-22T23:36:04.247+00:00

    Hello @Nuri Engin , Thank you for the detailed question here.

    Can you try doing a nslookup for you TXT record and see if it is propagating and also validate that you have entered the correct record value in azure portal. You an try this command nslookup -type=TXT dnsauth.<your_subdomain>. If TXT record does not show up please check with your DNS service provider. Alternatively you can also this website to lookup your TXT record.

    If TXT record is propagating and record value is correct. I will suggest that you create a support request for this issue as we will have to look at the backend logs to find out why exactly the custom domain validation is stuck. If you do not have a support plan please refer to the private message I will make here shortly.

    Note : Azure Front Door Standard/Premium (Preview) is currently not recommended for production environments.

    Please let me know if there are any concerns, Thank you!

  2. Kalpesh Patel 1 Reputation point
    2021-10-15T04:01:47.493+00:00

    I am also having the same issue. I created TXT record in DNS and I get correct TXT record value querying with nslookup but verification status is still "pending" in Azure Front Door Premium.