IP Addresses With No PTR Record
This is a discussion on IP Addresses With No PTR Record within the Linux Networking forums, part of the Linux Forums category; I like to check up on the outgoing connections that iptables logs. While 'host' will return a FQ domain name (...
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06-23-2006
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IP Addresses With No PTR Record
I like to check up on the outgoing connections that iptables logs. While
'host' will return a FQ domain name (or 'dig -x' a PTR record) for most dotted quad IP addresses, some are not resolved by 'host', and 'dig -x' merely returns an SOA record. Yet 'whois' will return a legit owner for the address. Why do some IP addresses behave this way? HaroldWho -- Powered by Slackware 10.2 Linux -- Kernel 2.6.13 News Reader slrn 0.9.8.1 
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06-24-2006
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Re: IP Addresses With No PTR Record
On Fri, 23 Jun 2006 20:52:01 +0200, Davide Bianchi wrote in
comp.os.linux.networking: > On 2006-06-23, HaroldWho <hlarons@yahoo.com> wrote: >> Why do some IP addresses behave this way? > > Because someone didn't felt like adding a ptr record for the IP. > Davide As simple as that, eh? OK, I feel justified in looking further at those addresses that just return an SOA record. Thanks for your help HW -- Powered by Slackware 10.2 Linux -- Kernel 2.6.13 News Reader slrn 0.9.8.1
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