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named-checkzone(8)                  BIND 9                  named-checkzone(8)




NAME

       named-checkzone - zone file validity checking or converting tool


SYNOPSIS

       named-checkzone  [-d]  [-h]  [-j]  [-q] [-v] [-c class] [-f format] [-F
       format] [-J filename] [-i mode] [-k mode] [-m mode] [-M mode] [-n mode]
       [-l  ttl]  [-L serial] [-o filename] [-r mode] [-s style] [-S mode] [-t
       directory] [-T mode] [-w directory] [-D] [-W  mode]  {zonename}  {file-
       name}

       named-compilezone  [-d] [-j] [-q] [-v] [-c class] [-C mode] [-f format]
       [-F format] [-J filename] [-i mode] [-k mode] [-m mode] [-n  mode]  [-l
       ttl]  [-L  serial]  [-r  mode]  [-s style] [-t directory] [-T mode] [-w
       directory] [-D] [-W mode] {-o filename} {zonename} {filename}


DESCRIPTION

       named-checkzone checks the syntax and integrity of a zone file. It per-
       forms  the  same  checks  as named does when loading a zone. This makes
       named-checkzone useful for checking zone files before configuring  them
       into a name server.

       named-compilezone  is  similar  to named-checkzone, but it always dumps
       the zone contents to a specified file in a specified format.   It  also
       applies stricter check levels by default, since the dump output is used
       as an actual zone file loaded by named.  When manually specified other-
       wise, the check levels must at least be as strict as those specified in
       the named configuration file.


OPTIONS

       -d     This option enables debugging.

       -h     This option prints the usage summary and exits.

       -q     This option sets quiet mode, which only sets  an  exit  code  to
              indicate successful or failed completion.

       -v     This  option  prints  the version of the named-checkzone program
              and exits.

       -j     When loading a zone file, this option tells named  to  read  the
              journal if it exists. The journal file name is assumed to be the
              zone file name with the string .jnl appended.

       -J filename
              When loading the zone file, this option tells named to read  the
              journal from the given file, if it exists. This implies -j.

       -c class
              This  option  specifies the class of the zone. If not specified,
              IN is assumed.

       -i mode
              This option performs post-load zone integrity  checks.  Possible
              modes  are  full  (the default), full-sibling, local, local-sib-
              ling, and none.

              Mode full checks that MX records refer  to  A  or  AAAA  records
              (both in-zone and out-of-zone hostnames). Mode local only checks
              MX records which refer to in-zone hostnames.

              Mode full checks that SRV records refer to  A  or  AAAA  records
              (both in-zone and out-of-zone hostnames). Mode local only checks
              SRV records which refer to in-zone hostnames.

              Mode full checks that delegation NS records refer to A  or  AAAA
              records (both in-zone and out-of-zone hostnames). It also checks
              that glue address records in the zone match those advertised  by
              the  child.   Mode  local  only checks NS records which refer to
              in-zone hostnames or verifies that some  required  glue  exists,
              i.e., when the name server is in a child zone.

              Modes   full-sibling  and  local-sibling  disable  sibling  glue
              checks, but are otherwise the same as full  and  local,  respec-
              tively.

              Mode none disables the checks.

       -f format
              This option specifies the format of the zone file. Possible for-
              mats are text (the default), raw, and map.

       -F format
              This option specifies the format of the output  file  specified.
              For  named-checkzone,  this  does  not have any effect unless it
              dumps the zone contents.

              Possible formats are text (the default), which is  the  standard
              textual  representation  of  the  zone, and map, raw, and raw=N,
              which store the zone in a binary format  for  rapid  loading  by
              named.  raw=N specifies the format version of the raw zone file:
              if N is 0, the raw file can be read by any version of named;  if
              N  is  1,  the file can only be read by release 9.9.0 or higher.
              The default is 1.

       -k mode
              This option performs check-names checks with the specified fail-
              ure  mode.   Possible modes are fail (the default for named-com-
              pilezone), warn (the default for named-checkzone), and ignore.

       -l ttl This option sets a maximum permissible TTL for the  input  file.
              Any  record with a TTL higher than this value causes the zone to
              be rejected. This is similar to using the max-zone-ttl option in
              named.conf.

       -L serial
              When compiling a zone to raw or map format, this option sets the
              "source serial" value in the header to the specified serial num-
              ber. This is expected to be used primarily for testing purposes.

       -m mode
              This option specifies whether MX records should  be  checked  to
              see  if  they  are addresses. Possible modes are fail, warn (the
              default), and ignore.

       -M mode
              This option checks whether a MX record refers to a CNAME. Possi-
              ble modes are fail, warn (the default), and ignore.

       -n mode
              This  option  specifies  whether NS records should be checked to
              see if they are addresses. Possible modes are fail (the  default
              for  named-compilezone), warn (the default for named-checkzone),
              and ignore.

       -o filename
              This option writes the zone output to filename. If  filename  is
              -,  then  the zone output is written to standard output. This is
              mandatory for named-compilezone.

       -r mode
              This option checks for records that are treated as different  by
              DNSSEC  but  are semantically equal in plain DNS. Possible modes
              are fail, warn (the default), and ignore.

       -s style
              This option specifies the style of the dumped zone file.  Possi-
              ble  styles are full (the default) and relative. The full format
              is most suitable for  processing  automatically  by  a  separate
              script.   The relative format is more human-readable and is thus
              suitable for editing by hand. For named-checkzone, this does not
              have  any effect unless it dumps the zone contents. It also does
              not have any meaning if the output format is not text.

       -S mode
              This option checks whether an SRV record refers to a CNAME. Pos-
              sible modes are fail, warn (the default), and ignore.

       -t directory
              This  option tells named to chroot to directory, so that include
              directives in the configuration file are processed as if run  by
              a similarly chrooted named.

       -T mode
              This option checks whether Sender Policy Framework (SPF) records
              exist and issues a warning if an SPF-formatted TXT record is not
              also  present. Possible modes are warn (the default) and ignore.

       -w directory
              This option instructs named to chdir to directory, so that rela-
              tive  filenames in master file $INCLUDE directives work. This is
              similar to the directory clause in named.conf.

       -D     This option dumps the zone file in  canonical  format.  This  is
              always enabled for named-compilezone.

       -W mode
              This  option  specifies  whether to check for non-terminal wild-
              cards. Non-terminal wildcards are almost always the result of  a
              failure  to  understand  the  wildcard  matching  algorithm (RFC
              1034). Possible modes are warn (the default) and ignore.

       zonename
              This indicates the domain name of the zone being checked.

       filename
              This is the name of the zone file.


RETURN VALUES

       named-checkzone returns an exit status of 1 if errors were detected and
       0 otherwise.


SEE ALSO

       named(8)()  named-checkconf(8), RFC 1035, BIND 9 Administrator Reference
       Manual.


AUTHOR

       Internet Systems Consortium


COPYRIGHT

       2021, Internet Systems Consortium



9.16.12                           2021-02-04                named-checkzone(8)

bind 9.16.12 - Generated Sat Feb 20 09:36:01 CST 2021
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