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Its the Code garbage collector. Mind dumps of daily coding antics from a frustrated silly little man. VBS, PHP, TCL, TK, PERL, C++, JAVA....what now? Ruby?
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DNS version attempts & tools

There has been some DNS junk flying around again.. so refresh.

Dont forget how easy it is to do a DNS version attempt.

dig -c CH -t txt version.bind

Make sure your BIND/Named is obfuscated/disabled with custom message..

version "Generic DNS Server";

Not that it helps much with fpdns around.

anonymous@:~$ fpdns -D
fingerprint (, ISC BIND 8.3.0-RC1 -- 8.4.4
fingerprint (, ISC BIND 8.3.0-RC1 -- 8.4.4

Perl: (Fingerprint.PM)

Make sure your read basic DNS information like

Cisco's: DNS Best Practices, Network Protections, and Attack Identification

And understand the principles laid out in Secure BIND configurations such as:

Look into DNS Debug tools such as DNSwalk, dlint, & DOC

And for reverse lookups use where there is no PTR record try A record caches like:
Passive DNS Replication @