On Sat, May 11, 2002 at 03:53:31PM -0700, Peter Haight wrote: > > Recently mozilla has been really slow resolving some DNS queries. I tracked > this down to a call to gethostbyname2. For some addresses (e.g. > 'www.vanguard.com'), gethostbyname2 with AF_INET6 will fail and takes more > than a minute. I verified this with my own short program that does nothing > but call gethostbyname2. > > I've attached a tcpdump of two DNS lookups. One is against > 'www.vanguard.com' which takes about a minute and thirty seconds to come > back with an 'Host name lookup failure'. > > The second log is against 'www.google.com' and it returns almost immediately > with 'No address associated with name'. > > Can someone explain to me what's going on?
www.vanguard.com has a broken DNS implementation. Find out the zone administrator via SOA record or whois and complain. RFC requires the behavour you saw with google. -- B.Walter COSMO-Project http://www.cosmo-project.de [EMAIL PROTECTED] Usergroup [EMAIL PROTECTED] To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
