A small followup: > So it looks like the IPv4 instance refuses TCP, while the IPv6 instance > handles it okay. No filters in the way at my end. The m.root-servers.net > instance looks like it is in Paris or thereabouts - but there is quite > a bit of difference between the instances: IPv4 (highly variable ping, > RTT 700 ms or more) and IPv6 (ping steady at RTT 44-45 ms).
Should of course have checked hostname.bind, which reveals: % dig @202.12.27.33 hostname.bind ch txt +short "M-CDG-3" % dig @2001:dc3::35 hostname.bind ch txt +short "M-CDG-4" So it seems my guess of Paris or thereabouts wasn't too far off. And M-CDG-3 seems to have problems with TCP. Steinar Haug, Nethelp consulting, sth...@nethelp.no _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
