List of network ports that the DNS nameserver ISC BIND v9.10 listens to by default:
| Port Number | UDP / TCP | Description |
|---|---|---|
| 53 | UDP | standard port to respond to name queries |
| 53 | TCP | used for master/slave zone transfers or if query answers don't fit in UDP packet |
| 953 | TCP | communicate with rndc client utility |
| 2200 | TCP | statistics channel (built-in webserver to display statistics page) |
