* is being taken literally?
something.*.example.com would never be a valid wildcard in any DNS system. A wildcard needs to be the leftmost part of the record:
something
*.*.curl -k to the rescue!# Works
dig 'test.*.test2.aimoda.dev' @1.1.1.1 TXT
# Fails
dig test.what.test2.aimoda.dev @1.1.1.1 TXT (debug) Error: could not send email: Unknown error: transient error (421): 4.7.28 [104.30.12.101 15] Our system has detected an unusual rate of4.7.28 unsolicited mail originating from your IP address. To protect our4.7.28 users from spam, mail sent from your IP address has been temporarily4.7.28 rate limited. Please visit4.7.28 https://support.google.com/mail/?p=UnsolicitedRateLimitError to4.7.28 review our Bulk Email Senders Guidelines. t19-20020a63dd13000000b005348464b81fsi1882477pgg.371 - gsmtp