Second Level Domain Names

Second level domain names are usually sub domain of a top level domain for example second level domain of the top level .uk domain name are as follows:

* .co.uk for commercial enterprises (the largest SLD in the UK)
* .me.uk for personal domains
* .org.uk for non-commercial organisations
* .ltd and .plc for registered company names only
* .net.uk for Internet Service Providers
* .sch.uk for schools
* .ac.uk for Academic Establishments
* .gov.uk for Government Bodies
* .nhs.uk for NHS Organisations
* .police.uk for UK Police Forces
* .mod.uk for Ministry of Defence Establishments