02-06-2008
What is DNS flip?
Could anybody please help me to understand,
1. what is DNS flip?
2. what happens when MX record does not exist for domain ? Who takes initiative and returns error to mailer ?
3. and how mailertable works in sendmail?
Sorry if i have put too many questions in single thread.
Last edited by ynilesh; 02-06-2008 at 07:46 AM..
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LEARN ABOUT MOJAVE
net::dns::rr::rt5.18
Net::DNS::RR::RT(3) User Contributed Perl Documentation Net::DNS::RR::RT(3)
NAME
Net::DNS::RR::RT - DNS RT resource record
SYNOPSIS
use Net::DNS;
$rr = new Net::DNS::RR('name RT preference intermediate');
DESCRIPTION
Class for DNS Route Through (RT) 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.
preference
$preference = $rr->preference;
A 16 bit integer representing the preference of the route.
Smaller numbers indicate more preferred routes.
intermediate
$intermediate = $rr->intermediate;
The domain name of a host which will serve as an intermediate in reaching the host specified by the owner name. The DNS RRs associated
with the intermediate host are expected to include at least one A, X25, or ISDN record.
COPYRIGHT
Copyright (c)1997-2002 Michael Fuhr.
Package template (c)2009,2012 O.M.Kolkman and R.W.Franks.
All rights reserved.
This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself.
SEE ALSO
perl, Net::DNS, Net::DNS::RR, RFC1183 Section 3.3
perl v5.18.2 2014-01-16 Net::DNS::RR::RT(3)