[dns-operations] TC=1 with RA=0 from a recursive resolver
fw at deneb.enyo.de
Tue Mar 22 08:16:27 UTC 2016
* Mark Andrews:
> That's what RFC 1034 says.
> - The recursion available, or RA bit, is set or cleared by a
> name server in all responses. The bit is true if the name
> server is willing to provide recursive service for the client,
> regardless of whether the client requested recursive service.
> That is, RA signals availability rather than use.
> If RD effects RA then the server is broken.
But RFC 1034 does not reflect current practice.
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