North American Network Operators Group
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Re: OOPS...

  • From: Stephen Stuart
  • Date: Sat Feb 24 02:22:53 2001 
>   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