SRV Lookup

An SRV record tells clients which host and port provide a named service, such as SIP calling, XMPP chat, or Microsoft 365 autodiscover. This lookup lists the SRV records for a _service._proto name with their priority, weight, port, and target.

When to use this: A phone, chat, or mail client cannot find its server automatically, or a provider asked you to add SRV records.

Example:

About the SRV Lookup

Look up SRV records (_service._proto.name) with priority, weight, port and target, as used by SIP, XMPP, Microsoft 365 autodiscover and more.

FAQ

What format does the name use?
Underscore-prefixed service and protocol labels before the domain, for example _imaps._tcp.example.com.
How are priority and weight used?
Clients use the lowest priority first and pick among equal priorities in proportion to weight.