.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
Country code second-level domain for commercial purposes and ac.uk for academic registrants. Brazil (br) has a high number of restricted second-level domains, 67 as of 2011; they range from com.br for commercial activities and vet.br for veterinarians to wiki.br for wikis. Country code second-level domain A country code second-level domain is a second-level domain to a country code top-level domain. Such a domain may be reserved by a domain name registry for the registration of third-level domains, or assigned to a third party as a subdomain. Many country code domain registries implement domain name classes at the second level underneath their ccTLD, such as