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.
(3) We are working with Digital Ocean
(4) A screenshot from the Portal Azure @ https://nimb.ws/xkDSRe