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getds - Create a DS record from DNSKEYing information


getds <domain>


getds will create a DS record from DNSKEYs for the specified DNS domain. It does this by
converting DNSKEYs to DS records using the specified hashing algorithm. The results can
then be passed to upstream DNSSEC-supporting parents or to DLV registries.

getds will also pull the parent's published DS records and compare them against the
existing keys. It will then list any DS records not published in the parent, as well as
any DS records that are published in the parent but which don't match an existing key.


getds takes the following options:

--hash-algorithm algorithm ALGORITHMS
This option specifies the hash algorithm to use when converting DNSKEYs to DS records.
It may be a comma-separated list if multiple algorithms are desired. The algorithms
to choose from may be either SHA256 or SHA1.

The default is SHA256,SHA1

--read-key-file KEYFILE
This option specifies a file with a DNSKEY stored in it (such as created by bind's
dnssec-keygen program). This is helpful for comparing a known good key file against
something that is actually published.

This option causes getds to print ZSK DS records, as well as KSK records.

Instructs getds to not check the records in the parent for their published DS records.

Produces quiet output with no explanatory headers. In other words, it only prints the
DS records generated from the DNSKEYs.

Note: Running with -q implies -p.


By default, getds pulls data from the live DNS. If your DNS resolver isn't configured so
that this is pulled securely, then the results can't be trusted.


Copyright 2008-2014 SPARTA, Inc. All rights reserved. See the COPYING file included with
the DNSSEC-Tools package for details.

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