Re: in-addr.arpa?

[sthaug () nethelp no]

> Why would 216.136.44.104 do something like this?
...
>   14 ip104.44.136.216.in-addr.arpa (216.136.44.104) [AS 4323] 404 msec 400 
> msec 380 msec

Because the people who run the name servers for 44.136.216.in-addr.arpa,
for unknown reasons, have added entries of the form

104.44.136.216.in-addr.arpa.  PTR  ip104.44.136.216.in-addr.arpa.

I guess they want to hide something, and still have a DNS reverse entry.
It's rather pointless IMHO, since we can use whois to get 

Learn Linc (NETBLK-TWTC-ALBY-C-LRNLINC-0)
   385 Jordan Rd
   Troy, NY 12180
   US

   Netname: TWTC-ALBY-C-LRNLINC-0
   Netblock: 216.136.44.96 - 216.136.44.127

   Coordinator:
      Hostmaster  (HOS8-ORG-ARIN)  hostmaster () INC NET
      (800)974-4266
Fax: (414)476-2403


Steinar Haug, Nethelp consulting, sthaug () nethelp no