Second Level Domains

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