.is .is .is (dot is) is the top-level domain for Iceland. The country code is derived from the first two letters of "Ísland", which is the Icelandic word for Iceland. Registration of .is domains is open to all persons and companies without any special restriction. The very first .is-domain, hi.is, is the domain of University of Iceland. It was registered on December 11, 1986, making it one of the earliest ever domain registrations on the Internet. According to McAfee report "Mapping the Mal Web", ".is" has been evaluated as one of the top 10 most secure TLDs in the world in
Top-level domain where Internet infrastructure has not yet become well established, it subsequently transitioned to using Internet domain names, and pseudo-domains now largely survive as historical relics. One notable exception is the 2007 emergence of SWIFTNet Mail, which uses the swift pseudo-domain. The anonymity network Tor formerly used the top-level pseudo-domain onion for Tor hidden services, which can only be reached with a Tor client because it uses the Tor onion routing protocol to reach the hidden service to protect the anonymity of users. However, the pseudo-domain became officially reserved in October 2015. i2p provides a similar hidden pseudo-domain, .i2p. BT hubs