Re: OOPS...

[John Fraizer <nanog () Overkill EnterZone Net>]

_MY_ resolver library is fine.  That's how a customers new cisco reported
it.


Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-I-M), Version 12.1(3a), RELEASE SOFTWARE
(fc1)
Copyright (c) 1986-2000 by cisco Systems, Inc.
Compiled Thu 27-Jul-00 01:06 by cmong
Image text-base: 0x80008088, data-base: 0x807DA180


---
John Fraizer
EnterZone, Inc


On Fri, 23 Feb 2001, Stephen Stuart wrote:

> >   7 65.64/27.183.34.216.in-addr.arpa (216.34.183.65) 16 msec 20 msec 20 msec
>
> Oops, indeed; you'd better upgrade your resolver library to understand
> classless in-addr per RFC 2317:
>
> % dig -x  216.34.183.65 ptr
>
> ; <<>> DiG 8.3 <<>> -x ptr 
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2
> ;; QUERY SECTION:
> ;;      65.183.34.216.in-addr.arpa, type = PTR, class = IN
>
> ;; ANSWER SECTION:
> 65.183.34.216.in-addr.arpa.  23h59m47s IN CNAME 65.64/27.183.34.216.in-addr.arpa.
> 65.64/27.183.34.216.in-addr.arpa.  1D IN PTR bbr01-g3-0.okbr01.exodus.net.
>
> ;; AUTHORITY SECTION:
> 64/27.183.34.216.in-addr.arpa.  23h57m10s IN NS  bengi-w.exodus.net.
> 64/27.183.34.216.in-addr.arpa.  23h57m10s IN NS  bengi-e.exodus.net.
>
> ;; ADDITIONAL SECTION:
> bengi-w.exodus.net.     12m10s IN A     209.1.221.10
> bengi-e.exodus.net.     12m10s IN A     216.33.108.70
>
> ;; Total query time: 3 msec
> ;; [...]
>
> Stephen