[dns-operations] Looping wildcard CNAMEs can be an obstacle for DANE, (googledomains.com-hosted example)

John Levine johnl at taugh.com
Mon May 7 14:41:12 UTC 2018

In article <9DBC36E2-C2A9-4F15-8366-C369D3A48D4C at dukhovni.org> you write:
>>> *.frasier.family. IN CNAME \@

>So far, googledomains.com is lucky in that regard.  A second newly found
>domain with the same potential issue also does not appear to accept email:

It has the same odd broken CNAME:

*.christianfreear.com.	3596	IN	CNAME	\@.christianfreear.com.

Seems to me a more interesting question is why people are putting that
particular broken CNAME into their DNS.


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