IP Addresses With No PTR Record

Discussion in 'Linux Networking' started by HaroldWho, Jun 23, 2006.

  1. HaroldWho

    HaroldWho Guest

    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

    Why do some IP addresses behave this way?

    HaroldWho, Jun 23, 2006
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  2. Because someone didn't felt like adding a ptr record for the IP.
    Davide Bianchi, Jun 23, 2006
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  3. HaroldWho

    HaroldWho Guest

    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

    HaroldWho, Jun 24, 2006
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