[ 源代码： php-net-dns2 ]
软件包：php-net-dns2（1.4.1-2）
PHP5 Resolver library used to communicate with a DNS server
Provides (roughly) the same functionality as Net_DNS, but using PHP5 objects, exceptions for error handling, better sockets support.
This release is (in most cases) 2x - 10x faster than Net_DNS, as well as includes more RR's (including DNSSEC RR's), and improved sockets and streams support.