https://www.rfc-editor.org/rfc/rfc7553.html
RFC 7553: The Uniform Resource Identifier (URI) DNS Resource Record
uniform resource identifierrfcuridnsrecord
https://http.dev/uri
Uniform Resource Identifier (URI) explained
Apr 4, 2026 - URIs identify resources by location, name, or both. Generic syntax, URL and URN subtypes, resolution rules, and the relationship between URI, URL, and URN.
uniform resource identifieruriexplained