frequent queries to root servers

Reindl Harald h.reindl at
Sat Jan 30 22:25:51 UTC 2016

Am 30.01.2016 um 22:40 schrieb Grant Taylor:
> On 01/30/2016 04:44 AM, Reindl Harald wrote:
>> 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.
> I'll agree that they SHOULD work. But I've had too many occasions over
> the last 15 years where chained CNAMEs DIDN'T work

that's a different story than pretend "Chaining CNAMEs is a violation 
according to RFCs"

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