Net::DNS::RR::SOA(3pm) - phpMan

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Net::DNS::RR::SOA(3pm)         User Contributed Perl Documentation         Net::DNS::RR::SOA(3pm)

NAME
       Net::DNS::RR::SOA - DNS SOA resource record

SYNOPSIS
           use Net::DNS;
           $rr = Net::DNS::RR->new('name SOA mname rname 0 14400 3600 1814400 3600');

DESCRIPTION
       Class for DNS Start of Authority (SOA) resource records.

METHODS
       The available methods are those inherited from the base class augmented by the type-
       specific methods defined in this package.

       Use of undocumented package features or direct access to internal data structures is
       discouraged and could result in program termination or other unpredictable behaviour.

   mname
           $mname = $rr->mname;
           $rr->mname( $mname );

       The domain name of the name server that was the original or primary source of data for
       this zone.

   rname
           $rname = $rr->rname;
           $rr->rname( $rname );

       The mailbox which identifies the person responsible for maintaining this zone.

   serial
           $serial = $rr->serial;
           $serial = $rr->serial(value);

       Unsigned 32 bit version number of the original copy of the zone.  Zone transfers preserve
       this value.

       RFC1982 defines a strict (irreflexive) partial ordering for zone serial numbers. The
       serial number will be incremented unless the replacement value argument satisfies the
       ordering constraint.

   refresh
           $refresh = $rr->refresh;
           $rr->refresh( $refresh );

       A 32 bit time interval before the zone should be refreshed.

   retry
           $retry = $rr->retry;
           $rr->retry( $retry );

       A 32 bit time interval that should elapse before a failed refresh should be retried.

   expire
           $expire = $rr->expire;
           $rr->expire( $expire );

       A 32 bit time value that specifies the upper limit on the time interval that can elapse
       before the zone is no longer authoritative.

   minimum
           $minimum = $rr->minimum;
           $rr->minimum( $minimum );

       The unsigned 32 bit minimum TTL field that should be exported with any RR from this zone.

Zone Serial Number Management
       The internal logic of the serial() method offers support for several widely used zone
       serial numbering policies.

   Strictly Sequential
           $successor = $soa->serial( SEQUENTIAL );

       The existing serial number is incremented modulo 2**32 because the value returned by the
       auxilliary SEQUENTIAL() function can never satisfy the serial number ordering constraint.

   Date Encoded
           $successor = $soa->serial( YYYYMMDDxx );

       The 32 bit value returned by the auxilliary YYYYMMDDxx() function will be used if it
       satisfies the ordering constraint, otherwise the serial number will be incremented as
       above.

       Serial number increments must be limited to 100 per day for the date information to remain
       useful.

   Time Encoded
           $successor = $soa->serial( UNIXTIME );

       The 32 bit value returned by the auxilliary UNIXTIME() function will used if it satisfies
       the ordering constraint, otherwise the existing serial number will be incremented as
       above.

COPYRIGHT
       Copyright (c)1997 Michael Fuhr.

       Portions Copyright (c)2003 Chris Reinhardt.

       Portions Copyright (c)2010,2012 Dick Franks.

       All rights reserved.

       Package template (c)2009,2012 O.M.Kolkman and R.W.Franks.

LICENSE
       Permission to use, copy, modify, and distribute this software and its documentation for
       any purpose and without fee is hereby granted, provided that the original copyright
       notices appear in all copies and that both copyright notice and this permission notice
       appear in supporting documentation, and that the name of the author not be used in
       advertising or publicity pertaining to distribution of the software without specific prior
       written permission.

       THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
       INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
       PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
       FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
       OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
       DEALINGS IN THE SOFTWARE.

SEE ALSO
       perl, Net::DNS, Net::DNS::RR, RFC1035 Section 3.3.13, RFC1982

perl v5.32.1                                2021-12-18                     Net::DNS::RR::SOA(3pm)

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