named-rrchecker
The -h prints out the help menu.
The -o origin option specifies a origin to be used when interpreting the record.
The -p prints out the resulting record in canonical form. If there is no canonical form defined then the record will be printed in unknown record format.
The -u prints out the resulting record in unknown record form.
The -C, -T and -P print out the known class, standard type and private type mnemonics respectively.
RFC 1034, RFC 1035, named(8)
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