Similar to ダイナミックドメインネームシステム

Domain Name System

Domain Name System Security Extensions

Telephone number mapping

DNS over HTTPS

Request for Comments

April Fools' Day Request for Comments

Internet Engineering Task Force

Character Generator Protocol

Daytime Protocol

Discard Protocol

Echo Protocol

Finger (protocol)

User Datagram Protocol

Trivial File Transfer Protocol

Internet Protocol

Internet Control Message Protocol

Transmission Control Protocol

WHOIS

Internet abuse

Email address

Address Resolution Protocol

Exterior Gateway Protocol

Telnet