Cleaning up DNS zone files...

Edward Lewis Ed.Lewis at
Thu Jan 18 17:56:05 UTC 2007

At 12:37 -0500 1/18/07, Forrest Aldrich wrote:
>I've inherited a slew of DNS zonefiles which need to be cleaned up -
>mostly formatting.
>I can use tools like dnslint to indentify errors; however, I wonder if
>someone has a slick hack (script, regex) that can be utilized to run
>through and reformat the zonefiles (forward and reverse) to get them in
>order and tidy.

Load the file into a server and try dig @server <zone> axfr.  The 
AXFR output will be a nearly correctly formatted file.  The gotcha is 
the last record - the terminating SOA RR.  Remove that plus the other 
commented ("^;;") lines and you will have a zonefile.

'Course, you may not be happy with that format, but it is a "correct" format.
Edward Lewis                                                +1-571-434-5468

Dessert - aka Service Pack 1 for lunch.

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