I am trying to add a custom domain (<redacted>.com) for my App Service (B1 plan). I've added the provided TXT record in GoDaddy's DNS settings but my domain after 48 hours is not verified. Below is the error message:
Validation failed because the expected DNS records are not found: A TXT record pointing from asuid.<redacted>.com to 4be4dea3a620d2cad0cd6cd8143e6960ac407aa709f27f118ac2835c392130d3 was not found. Try checking the hostname records entered with your domain provider. Note that it can take up to 48 hours for records changes to take effect.
I can confirm that the TXT record change had been propagated on [https://www.whatsmydns.net/#TXT/asuid.<redacted>.com]
I've been advised to raise the issue here by Microsoft Support.