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DNSSEC-VERIFY(8)		     BIND9		      DNSSEC-VERIFY(8)

NAME
       dnssec-verify - DNSSEC zone verification tool

SYNOPSIS
       dnssec-verify [-c class] [-E engine] [-I input-format] [-o origin]
		     [-v level] [-x] [-z] {zonefile}

DESCRIPTION
       dnssec-verify verifies that a zone is fully signed for each algorithm
       found in the DNSKEY RRset for the zone, and that the NSEC / NSEC3
       chains are complete.

OPTIONS
       -c class
	   Specifies the DNS class of the zone.

       -I input-format
	   The format of the input zone file. Possible formats are "text"
	   (default) and "raw". This option is primarily intended to be used
	   for dynamic signed zones so that the dumped zone file in a non-text
	   format containing updates can be verified independently. The use of
	   this option does not make much sense for non-dynamic zones.

       -o origin
	   The zone origin. If not specified, the name of the zone file is
	   assumed to be the origin.

       -v level
	   Sets the debugging level.

       -x
	   Only verify that the DNSKEY RRset is signed with key-signing keys.
	   Without this flag, it is assumed that the DNSKEY RRset will be
	   signed by all active keys. When this flag is set, it will not be an
	   error if the DNSKEY RRset is not signed by zone-signing keys. This
	   corresponds to the -x option in dnssec-signzone.

       -z
	   Ignore the KSK flag on the keys when determining whether the zone
	   if correctly signed. Without this flag it is assumed that there
	   will be a non-revoked, self-signed DNSKEY with the KSK flag set for
	   each algorithm and that RRsets other than DNSKEY RRset will be
	   signed with a different DNSKEY without the KSK flag set.

	   With this flag set, we only require that for each algorithm, there
	   will be at least one non-revoked, self-signed DNSKEY, regardless of
	   the KSK flag state, and that other RRsets will be signed by a
	   non-revoked key for the same algorithm that includes the
	   self-signed key; the same key may be used for both purposes. This
	   corresponds to the -z option in dnssec-signzone.

       zonefile
	   The file containing the zone to be signed.

SEE ALSO
       dnssec-signzone(8), BIND 9 Administrator Reference Manual, RFC 4033.

AUTHOR
       Internet Systems Consortium

COPYRIGHT
       Copyright © 2012 Internet Systems Consortium, Inc. ("ISC")

BIND9				April 12, 2012		      DNSSEC-VERIFY(8)

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