[atlas] [UDM] Cannot select "recursion desired" for DNS
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Stephane Bortzmeyer
bortzmeyer at nic.fr
Tue Jan 8 13:03:51 CET 2013
On Tue, Jan 08, 2013 at 10:11:25AM +0100, Antony Antony <antony at ripe.net> wrote a message of 26 lines which said: > It will be enabled in the next release, OK, thanks. > However, by default RD is enabled when querying probe's local > resolver. Yes, but I wanted to test public resolvers. > Also my experience is som resolvers ignore it; My experience with public resolvers does not match yours: Google Public DNS: without RD, serves only the data in the cache (otherwise, if not in cache, NOERROR,ANSWER=0) OpenDNS: without RD, always REFUSED, even if data in the cache Level 3: like OpenDNS Comodo: like Level 3 and OpenDNS DNS Advantage: without RD, always timeout, even if data in the cache Telecomix: like DNS Advantage Regular Unbound: without RD, serves only the data in the cache (otherwise, if not in cache, REFUSED) Regular BIND: without RD, serves only the data in the cache (otherwise, if not in cache, NOERROR,ANSWER=0 but with upward referral)
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