frequent queries to root servers
h.reindl at thelounge.net
Sat Jan 30 11:44:42 UTC 2016
Am 30.01.2016 um 03:45 schrieb Grant Taylor:
> On 01/26/2016 04:46 PM, Reindl Harald wrote:
>> violating what?
> Chaining CNAMEs is a violation according to RFCs.
From RFC 1034 - Domain names - concepts and facilities:
Of course, by the robustness principle, domain software should not fail
when presented with CNAME chains or loops; CNAME chains should be
followed and CNAME loops signalled as an error.
"Domain names in RRs which point at another name should always point at
the primary name and not the alias. This avoids extra indirections in
accessing information" is NOT a MUST
> It works, but it is unsupported, and you can only blame yourself when it
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