What is the meaning of ( Not hosted domain name ) ?

That means the domain name in question was not added to the domain name servers, or it was added incorrectly or partially. all those cases will lead to a technical problems that might prevent the users from reaching the website with the domain in question . Please note that it is the registrant responsibility to provide at least two DNS servers with permanent IP connectivity to the Internet. Each DNS server must be capable of receiving queries for the domain name and responding thereto. The Registrant may contract a third party to provide these DNS servers in accordance with the provided requirements.