CNAME as NS record?
Jim Reid
jim at rfc1035.com
Mon Sep 8 20:45:48 UTC 2003
>>>>> "brady" == brady <brady at alluvium.com> writes:
brady> Hello, I believe it is illegal to have an NS record point
brady> to a CNAME as per the RFC?
You're correct. RFC1034 says the RDATA for an NS record is a host name.
CNAMEs are not host names. They're names that point at host names. So
an NS record should not point to a CNAME.
brady> But can it actually cause lookup problems in the real world?
Yes.
brady> I have a customer having some odd problems and noticed all
brady> of his NS records are CNAMEs.
It looks like you've answered your own question.
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