In the Domain Name System, a Uniform Resource Identifier (URI) record (RFC 7553) is a means for publishing mappings from hostnames to URIs.

Record format

The URI record is expressed in a master file in the following format:

where:

service the symbolic name of the desired service. proto the transport protocol of the desired service; this is usually either TCP or UDP. name the domain name for which this record is valid, ending in a dot. TTL standard DNS time to live field. class standard DNS class field (this is always IN). priority the priority of the target host, lower value means more preferred. weight A relative weight for records with the same priority, higher value means more preferred. target This field holds the URI of the target, enclosed in double-quote characters ('"'), where the URI is as specified in RFC 3986

An example DNS URI resource record

See also

List of DNS record types

References – The Uniform Resource Identifier (URI) DNS Resource Record – Uniform Resource Identifier (URI): Generic Syntax