Details of port 53
The table below provides some useful information about port 53/tcp and 53/udp. It answers questions such as:
- What application uses the port 53/tcp or 53/udp?
- Where can I find detailed information about port 53/tcp or 53/udp?
We hope you find this page helpful and a valuable resource.
2 port(s) found in database.
| Port: | 53/tcp | Type: | DNS TCP |
|---|---|---|---|
| Description: | |||
| 53/tcp is a standard port for DNS service. DNS primarily uses UDP on port 53 to serve requests. Almost all DNS queries consist of a single UDP request from the client followed by a single UDP reply from the server. TCP comes into play only when the response data size exceeds 512 bytes, or for such tasks as zone transfer. | |||
| [Detailed description] | |||
| Related links: | |||
| RFC 1033 RFC 1034 RFC 1035 |
|||
| Related ports: | |||
| 53/udp | |||
| Port: | 53/udp | Type: | DNS UDP |
|---|---|---|---|
| Description: | |||
| 53/udp is a standard port for DNS (Domain Name Server) service. DNS primarily uses UDP on port 53 to serve requests. Almost all DNS queries consist of a single UDP request from the client followed by a single UDP reply from the server. | |||
| [Detailed description] | |||
| Related links: | |||
| RFC 1033 RFC 1034 RFC 1035 |
|||
| Related ports: | |||
| 53/tcp | |||