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was using this tool, https://toolbox.googleapps.com/apps/checkmx/, to check my domain and it reports this error:

Every name server must reply with exactly the same TXT records.

my domain has multiple TXT records and a dig check verified that all the name servers respond with all of the TXT records, but not in the same order. otherwise the records are exact matches. in fact the tools itself shows the records and they are exactly the same. so the response order must be the trigger here.

but is that really an error? doesn't seem right.

rvh
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1 Answers1

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The issue has to do with DNS. I have moved the domain I was having a problem with to a different DNS provider and it fixed the issue.

Beside gmail, there was no issue with the previous DNS provider, I ran several tests from DNS test sites as well as manual tests, and none showed any error or issue. It looks like this problems comes from how gmail/google do their DNS tests. The only difference between the two DNS providers is how to reply to ANY queries, the original one (the one gmail had a problem with), replied with every records for the domain apex, including the TXT records, but the one I moved to (the one gmail had no problem with) replies with NS records only.

For reference, this is a long thread with other people with the same issue on a google forum, but with unfortunately no firm answer: https://support.google.com/mail/thread/12094094