IPv6 reverse lookup - lame delegation?
Jun-ichiro itojun Hagino
itojun at itojun.org
Tue Feb 10 12:58:40 UTC 2004
if i try to log into my machines back in tokyo by IPv6 SSH, it takes
very long time. i guess i found the reason - (possible) lame delegation
of blah.ip6.int. ip6.arpa. query returns instantly.
how could we fix it?
itojun
% dig e.5.5.e.2.4.e.f.f.f.e.4.5.0.2.0.0.0.0.0.0.0.0.1.0.0.7.3.e.f.f.3.ip6.int. ptr
; <<>> DiG 9.2.3 <<>> e.5.5.e.2.4.e.f.f.f.e.4.5.0.2.0.0.0.0.0.0.0.0.1.0.0.7.3.e.f.f.3.ip6.int. ptr
;; global options: printcmd
;; connection timed out; no servers could be reached
% dig e.5.5.e.2.4.e.f.f.f.e.4.5.0.2.0.0.0.0.0.0.0.0.1.0.0.7.3.e.f.f.3.ip6.arpa. ptr
; <<>> DiG 9.2.3 <<>> e.5.5.e.2.4.e.f.f.f.e.4.5.0.2.0.0.0.0.0.0.0.0.1.0.0.7.3.e.f.f.3.ip6.arpa. ptr
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19137
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;e.5.5.e.2.4.e.f.f.f.e.4.5.0.2.0.0.0.0.0.0.0.0.1.0.0.7.3.e.f.f.3.ip6.arpa. IN PTR
;; AUTHORITY SECTION:
ip6.arpa. 10569 IN SOA dns1.icann.org. hostmaster.icann.org. 2003080400 3600 1800 604800 10800
;; Query time: 1 msec
;; SERVER: 127.0.0.1#53(0.0.0.0)
;; WHEN: Tue Feb 10 21:57:17 2004
;; MSG SIZE rcvd: 151
More information about the NANOG
mailing list