| Examples -- DNS Updates | Introduction |
| Networking | |
| PEAR Manual | |
Net_DNSBL checks if a given Host or URL is listed on an DNS-based Blackhole List (DNSBL, Real-time Blackhole List or RBL) or Spam URI Realtime Blocklist (SURBL)
| Examples -- DNS Updates | Introduction |
| Networking | |
| PEAR Manual | |