Re: IPv6 reverse lookup - lame delegation?

[bill <bmanning () karoshi com>]

>       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