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> -----Original Message-----
> From: Nikos Kanellopoulos [mailto:kanellopoulos.nikos / gmail.com] 
> Sent: Saturday, August 11, 2007 3:00 PM
> To: ruby-talk ML
> Subject: get host by addr
> 
> Hello everybody.
> I am trying to do something simple.
> I have an IP address and need to do a reverse DNS lookup.
> However, I consistently get a "host not found" error.
> I have tried this in at least 2 different machines.
> 
> What am I doing wrong?
> 
> nk@livaditis: ~ $ irb
> irb(main):001:0> require 'socket'
> => true
> irb(main):002:0> Socket.gethostbyaddr("75.126.252.65")
> SocketError: host not found
>         from (irb):2:in `gethostbyaddr'
>         from (irb):2
>         from :0
> 


irb(main):001:0> require 'socket'
=> true
irb(main):002:0> Socket.getaddrinfo('75.126.252.65', nil)
=> [["AF_INET", 0, "75.126.252.65-static.reverse.softlayer.com",
"75.126.252.65", 2, 1, 6], ["AF_INET", 0,
"75.126.252.65-static.reverse.softlayer.com", "75.126.252.65", 2, 2, 17],
["AF_INET", 0, "75.126.252.65-static.reverse.softlayer.com",
"75.126.252.65", 2, 3, 0]]
irb(main):003:0> 

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