North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: IPv6 reverse lookup - lame delegation?
> > > 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? the ip6.int entry times out, no servers reached. the ip6.arpa entry fails immediately w/ NXDOMAIN. the delegation for 3ffe:37:: is 7.3.e.f.f.3.ip6.int. in ns gemini.psc.edu. in ns charon.psc.edu. ..... these servers are -NOT- responding to queries. perhaps you should contact Michael Lambert for more detail. > > 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 >
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