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Clarify named-rrchecker input format

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Petr Špaček 2025-05-29 17:24:39 +02:00
parent 0a1a599fb5
commit 5c370d9e6b
1 changed files with 15 additions and 6 deletions
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21
bin/tools/named-rrchecker.rst
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@ -26,16 +26,25 @@ Synopsis
Description
~~~~~~~~~~~
:program:`named-rrchecker` reads a individual DNS resource record from standard
:program:`named-rrchecker` reads a single DNS resource record (RR) from standard
input and checks whether it is syntactically correct.
The input format is a minimal subset of the DNS zone file format. The entire input must be:
CLASS TYPE RDATA
* Input must not start with an owner (domain) name
* The `CLASS` field is mandatory (typically ``IN``).
* The `TTL` field **must not** be present.
* RDATA format is specific to each RRTYPE.
* Leading and trailing whitespace in each field is ignored.
Format details can be found in :rfc:`1035#section-5.1` under ``<rr>``
specification. :rfc:`3597` format is also accepted in any of the input fields.
Options
~~~~~~~
.. option:: -h
This option prints out the help menu.
.. option:: -o origin
This option specifies the origin to be used when interpreting
@ -59,4 +68,4 @@ Options
See Also
~~~~~~~~
:rfc:`1034`, :rfc:`1035`, :iscman:`named(8) <named>`.
:rfc:`1034`, :rfc:`1035`, :rfc:`3957`, :iscman:`named(8) <named>`.