[net-dns-users] How to translate the email in SOA

Dick Franks rwfranks at acm.org
Sat Dec 22 13:39:10 UTC 2012


On 22 December 2012 10:45, Feng He <fenghe at nsbeta.info> wrote:
> I am sorry that Net::DNS::Mailbox does nothing what I thought.
Net::DNS::Mailbox is an internal component which is not designed to be
used by end users.

> For translating an email address into SOA I have to write a subroutine like:

There is no need to do that!

If you use Net::DNS 0.69 or later, all the conversions are done for you.


#!/usr/bin/perl -w

use Net::DNS 0.69;

my $resolver = new Net::DNS::Resolver();

my $example = 'nsbeta.info';

my $reply = $resolver->send( $example, 'SOA' ) || die;

my ($soa) = grep { $_->type eq 'SOA' } $reply->answer;

$soa->print;

print "RNAME mailbox: ", $soa->rname, "\n";


my $different = 'john.doe at example.com';

print "\n\nchanged RNAME: ", $soa->rname($different), "\n\n";

$soa->print;

exit;



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