Net_DNS2 - Native PHP DNS Resolver and Updater

The main features for this package include:

Increased performance; most requests are 2-10x faster than Net_DNS
Near drop-in replacement for Net_DNS
Uses modern PHP classes and exceptions
Support for IPv4 and IPv6, TCP and UDP sockets.
Includes a separate, more intuitive "Updater" class for handling dynamic update
Support zone signing using TSIG and SIG(0) for updates and zone transfers
Includes a local cache using shared memory or flat file to improve performance
includes many more RR's, including DNSSEC RR's.

Installing Net_DNS2

You can download it directly from PEAR: http://pear.php.net/package/Net_DNS2

pear install Net_DNS2

Or you can require it directly via Composer: https://packagist.org/packages/pear/net_dns2

composer require pear/net_dns2

Or download the source above.

Requirements

PHP 5.4+
The PHP INI setting mbstring.func_overload equals 0, 1, 4, or 5.

Using Net_DNS2

See the Net_DNS2 Website for more details - https://netdns2.com/