AWS Certificate Manager Domain Validation Issue

Question

Hi,

My validation has timed out at first because of a DNS issue on our DNS provider. We have now resolved this issue from the DNS provider and has provided the right CNAME entry and the entry is reflecting the right record. After retrying the validation however it seems that your side is not properly validating our DNS entry.

doing a dig command on the hostname:

600 IN	CNAME _f67d857427b98ed6519fc8ebcfe92987.bxmgrlxjqk.acm-validations.aws.

;; AUTHORITY SECTION:
bxmgrlxjqk.acm-validations.aws.	900 IN	SOA	ns-1722.awsdns-23.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

It shows the exact CNAME record that is on the AWS console. I compared the value from my dig and the value on the AWS ACM side with "diff" command and they're exactly the same and identical. I tried checking from  different DNS checkers like https://mxtoolbox.com/DNSLookup.aspx and https://dnschecker.org/all-dns-records-of-domain.php and they do show the exact CNAME record.

It's been 3 days now since we are trying to validate the SSL certificate, I tried deleting the certificate from ACM, waited for a few hours to try and clear the cache (if any) from your side, then reentered the ACM certificate records again but to no chance. Can you help check on your side please? Thanks.

Vincent_R · Answer

Hi, from your question, it seems that you have setup your DNS records correctly. Have you followed the User Guide on DNS validation to make sure you did not miss a step? https://docs.aws.amazon.com/acm/latest/userguide/dns-validation.html
Otherwise, the best course of action would be to open a ticket with AWS Support so we can verify the precise DNS entry that is needed. https://docs.aws.amazon.com/awssupport/latest/user/getting-started.html
An alternative would be to use Email validation instead of DNS validation. Please see here if you would like to follow this route: https://docs.aws.amazon.com/acm/latest/userguide/email-validation.html
Hope this helps you, thanks!

AWS Certificate Manager Domain Validation Issue

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