dnssec-verify - DNSSEC zone verification tool
dnssec-verify [-c class] [-E engine]
[-I input-format] [-o origin] [-q] [-v level]
[-V] [-x] [-z] {zonefile}
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.
- -c class
- This option specifies the DNS class of the zone.
- -E engine
- This option specifies the cryptographic hardware to use, when applicable.
When BIND 9 is built with OpenSSL, this needs to be set to the
OpenSSL engine identifier that drives the cryptographic accelerator or
hardware service module (usually pkcs11).
- -I input-format
- This option sets the format of the input zone file. Possible formats are
text (the 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.
This option is not useful for non-dynamic zones.
- -o origin
- This option indicates the zone origin. If not specified, the name of the
zone file is assumed to be the origin.
- -v level
- This option sets the debugging level.
- -V
- This option prints version information.
- -q
- This option sets quiet mode, which suppresses output. Without this option,
when dnssec-verify is run it prints to standard output the number
of keys in use, the algorithms used to verify the zone was signed
correctly, and other status information. With this option, all non-error
output is suppressed, and only the exit code indicates success.
- -x
- This option verifies only that the DNSKEY RRset is signed with key-signing
keys. Without this flag, it is assumed that the DNSKEY RRset is signed by
all active keys. When this flag is set, it is not an error if the DNSKEY
RRset is not signed by zone-signing keys. This corresponds to the -x
option in dnssec-signzone.
- -z
- This option indicates that the KSK flag on the keys should be ignored when
determining whether the zone is correctly signed. Without this flag, it is
assumed that there is a non-revoked, self-signed DNSKEY with the KSK flag
set for each algorithm, and that RRsets other than DNSKEY RRset are signed
with a different DNSKEY without the KSK flag set.
With this flag set, BIND 9 only requires that for each
algorithm, there be at least one non-revoked, self-signed DNSKEY,
regardless of the KSK flag state, and that other RRsets 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
- This option indicates the file containing the zone to be signed.
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