On 11-Jul-2000, Mate Wierdl wrote:
> I do run rblsmtpd with dul.  The IP (207.100.21.156) does not exist---this
> is why I thought it is a dynamic IP.

It does exist, it just doesn't have a reverse record. What makes you
think it doesn't exist?

> How do I figure out which domain owns it? 

[~]$ dig -x 207.100.21    
;; ANSWER SECTION:
21.100.207.in-addr.arpa.  1D IN NS  ns0.icix.net.
21.100.207.in-addr.arpa.  1D IN NS  moon.icix.net.

[~]$ whois [EMAIL PROTECTED]    
[whois.arin.net]
Intermedia Communications of Florida, Inc. (NETBLK-ICIX-BLK3-NET) ICIX-BLK3-NET
                                                 207.100.0.0 - 207.100.255.255
TrustedNet, Inc. (NETBLK-TRUSTEDNET4) TRUSTEDNET4207.100.21.0 - 207.100.21.255


Ronny

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