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How do I display the contents of a .signed zone file in human-readable format?

  • Updated on 15 Jun 2017
  • 1 minute to read
  • Contributors 

BIND 9.9.0 introduced inline signing.  BIND writes its backup signed zone file in raw format (this is the format in which the zone data is stored in working memory - it is faster to load/write the zone data in this format).

Use named-checkzone to read the file contents in the format that you're more used to seeing:

named-checkzone -D -f raw myzone.net myzone.net.db.signed

In the above example:

  • myzone.net is the name of the zone
  • myzone.net.db is the zone master file
  • myzone.net.db.signed is the preserved copy of the inline-signed zone

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