ACM certificate not validating


I created a TLS certificate for and * and as the domain is on route 53 I clicked the button to create the CNAME entries for validation.

It's been pending validation for many hours now. I read it can take up to 30 minutes but it's still not finished. Could something have gone wrong?

Running dig +short _[long string of characters] in bash doesn't return anything so I'm guessing the CNAME hasn't resolved yet?

1 Answer

Please note that DNS propagation could take 24-48 hours to propagate DNS records. If your certificate is still in Pending Validation state, you can confirm the CNAME record provided by by the AM was added to the correct DNS configuration by running the commands similar to the one below:

Linux and MacOS:

dig NS


nslookup -type=ns\


profile pictureAWS
answered 9 months ago

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