nanog mailing list archives
Re: How to tell if something is anycasted?
From: Joe Abley <jabley () ca afilias info>
Date: Wed, 17 May 2006 16:33:00 -0400
On 17-May-2006, at 10:45, bmanning () vacation karoshi com wrote:
well Peter, ONE root server operator has that practice. Others have different practices regarding anycast.
Actually, it looks to me like all thirteen root servers answer "HOSTNAME.BIND CHAOS TXT" queries (J might check for trailing dots, maybe ;-) and also that F and C share a strikingly similar naming scheme.
[octopus:~]% for n in a b c d e f g h i j k l m; do for> echo -n "trying ${n}... " for> dig @${n}.root-servers.net hostname.bind chaos txt +short for> done trying a... "ns6-aroot" trying b... "b3" trying c... "ord1a.c.root-servers.org" trying d... "d-root.net.umd.edu" trying e... "e4.arc.nasa.gov" trying f... "yyz1b.f.root-servers.org" trying g... "g.root-servers.net" trying h... "H1" trying i... "s1.was" trying j... "jns1-kr.j.root-servers.net.j.root-servers.net" trying k... "k2.nap" trying l... "l1.l.root-servers.org" trying m... "M-SFO-1" [octopus:~]% Joe
Current thread:
- Re: How to tell if something is anycasted?, (continued)
- Re: How to tell if something is anycasted? Steve Gibbard (May 16)
- Re: How to tell if something is anycasted? Edward Lewis (May 17)
- Re: How to tell if something is anycasted? Edward B. DREGER (May 16)
- Re: How to tell if something is anycasted? Peter Boothe (May 17)
- Re: How to tell if something is anycasted? bmanning (May 17)
- Re: How to tell if something is anycasted? Martin Hannigan (May 17)
- Re: How to tell if something is anycasted? Steve Gibbard (May 17)
- Re: How to tell if something is anycasted? Joe Abley (May 17)
- Re: How to tell if something is anycasted? Martin Hannigan (May 17)
- Re: How to tell if something is anycasted? Gustavo Lozano (May 17)
- Re: How to tell if something is anycasted? bmanning (May 17)
- Re: How to tell if something is anycasted? Joe Abley (May 17)
- Re: How to tell if something is anycasted? Peter Boothe (May 18)
- Re: How to tell if something is anycasted? Steve Gibbard (May 16)