Similar to WHOIS

SPDY

Tor (network)

Multicast DNS

Request for Comments

April Fools' Day Request for Comments

Internet Engineering Task Force

Finger (protocol)

User Datagram Protocol

Trivial File Transfer Protocol

Internet Protocol

Internet Control Message Protocol

Transmission Control Protocol

Internet abuse

Email address

Address Resolution Protocol

Exterior Gateway Protocol

Reverse Address Resolution Protocol

Reliable User Datagram Protocol

Bootstrap Protocol

UUCP

External Data Representation

Serial Line Internet Protocol

Network File System