lookup> SRV

SRV ·Record

Server Selection

value 33activeRFC 2782

Quick facts

TypeSRV

Value33

Statusactive

MeaningServer Selection

SpecificationRFC 2782

Purpose

What does a SRV record do?

Server Selection

SRV is one of the DNS resource record (RR) types defined by RFC 2782.

Example

_sip._tcp.example.com. 3600 IN SRV 10 60 5060 sipserver.example.com.

Related record types

Common uses

Format

_sip._tcp.example.com. 3600 IN SRV 10 60 5060 sipserver.example.com.

Field	Explanation
Priority	Lower values are preferred.
Weight	Relative weight among equal priorities.
Port	The port the service listens on.
Target	Hostname providing the service.

Common services

SIPXMPPLDAP

Frequently asked questions

Service discovery, SIP and XMPP federation

In the DNS management panel of your registrar or DNS provider (for example Cloudflare or Route53).

Sources & standards

Updated 2026-08-18

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