zfck
zfck is a Perl script written to catch common mistakes in DNS zone files.
zfck -f <FILE> [-a] [-w] [-s] [-p #] [-help]
-f <FILE> : Specifies zone file to check
-a : Advise how to correct errors found
-w : Display non-fatal errors
-p # : Display progress dots every # lines
-s : Short output.
-help : Display a usage summary
-