dnssec-checkds
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## Name

dnssec-checkds — DNSSEC delegation consistency checking tool

## Synopsis

`dnssec-checkds` [`-d `dig path``] [`-D `dsfromkey path``] [`-f `file``] [`-l `domain``] [`-s `file``] {zone}

## DESCRIPTION

dnssec-checkds verifies the correctness of Delegation Signer (DS) resource records for keys in a specified zone.

## OPTIONS

-a `algorithm`

  Specify a digest algorithm to use when converting the zone's DNSKEY records to expected DS records. This option can be repeated, so that multiple records are checked for each DNSKEY record.

  The `algorithm` must be one of SHA-1, SHA-256, or SHA-384. These values are case insensitive, and the hyphen may be omitted. If no algorithm is specified, the default is SHA-256.

-f `file`

  If a `file` is specified, then the zone is read from that file to find the DNSKEY records. If not, then the DNSKEY records for the zone are looked up in the DNS.

-s `file`

  Specifies a prepared dsset file, such as would be generated by dnssec-signzone, to use as a source for the DS RRset instead of querying the parent.

-d `dig path`

  Specifies a path to a dig binary. Used for testing.

-D `dsfromkey path`

  Specifies a path to a dnssec-dsfromkey binary. Used for testing.

## SEE ALSO

dnssec-dsfromkey(8) , dnssec-keygen(8) , dnssec-signzone(8) ,

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BIND 9.15.6 (Development Release)