07-14-2015
You could also run your own DNS or pure caching DNS locally and point to that. Just saying.
With bandwidth what it is today, might not be as big of a gain as this once was. In other words you may get better performance hitting something over your Internet connection, but it all depends....
Running your own may give you greater confidence that the DNS server will always be there responding... (maybe).
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LEARN ABOUT CENTOS
net::dns::mailbox
Net::DNS::Mailbox(3) User Contributed Perl Documentation Net::DNS::Mailbox(3)
NAME
Net::DNS::Mailbox - DNS mailbox representation
SYNOPSIS
use Net::DNS::Mailbox;
$mailbox = new Net::DNS::Mailbox('user@example.com');
$address = $mailbox->address;
DESCRIPTION
The Net::DNS::Mailbox module implements a subclass of DNS domain name objects representing the DNS coded form of RFC822 mailbox address.
METHODS
new
$mailbox = new Net::DNS::Mailbox('John.Doe@example.com');
$mailbox = new Net::DNS::Mailbox('John Doe <j.doe@example.com>');
Creates a mailbox object which represents the DNS domain encoded form of the mail address specified by the character string argument.
The argument string consists of printable characters from the 7-bit ASCII repertoire.
address
$address = $mailbox->address;
Returns a character string containing the RFC822 mailbox address corresponding to the encoded domain name representation described in
RFC1035 section 8.
DOMAIN NAME COMPRESSION AND CANONICALISATION
The Net::DNS::Mailbox1035 and Net::DNS::Mailbox2535 subclass packages implement RFC1035 domain name compression and RFC2535
canonicalisation.
COPYRIGHT
Copyright (c)2009,2012 Dick 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::DomainName, RFC822, RFC1035, RFC5322
perl v5.16.3 2012-12-28 Net::DNS::Mailbox(3)