.net.uk is a second level domain under the .ukTop Level Domain and forms part of the UK Domain Name System. It is operated by Nominet UK and is subject to a complex set of eligibility rules, which essentially require that (a) the registrant is, and remains, an Internet Service Provider or similar and (b) that the domain name is not used for providing services to customers or end users. There are fewer than 600 .net.uk registrations, as .net.uk has remained strongly chartered, unlike its global equivalent .net which was originally given a similar charter but latterly was opened up to all registrants. A top-level domain (TLD) is the last part of which Internet domain names consist of. ... The Domain Name System or DNS is a system that stores information about hostnames and domain names in a kind of distributed database on networks, such as the Internet. ... Nominet UK is the . ... .net is a generic top-level domain (gTLD) used on the Internets Domain Name System. ...