[dns-operations] Looping wildcard CNAMEs can be an obstacle for DANE, (googledomains.com-hosted example)
John Levine
johnl at taugh.com
Tue Apr 17 19:51:04 UTC 2018
In article <C708D877-8BC6-45B9-86A2-6E6E382EEB8E at dukhovni.org> you write:
> *.frasier.family. IN CNAME \@
>
>breaks email delivery to that domain from DANE-enabled Postfix or Exim.
Except that it has no MX and the A record host doesn't respond on port
25. It's just broken. Nothing to see here, move along.
--
Regards,
John Levine, johnl at iecc.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly
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