Top Level Domain Hierarchy
Network solutions maintains servers for com tld educause for edu tld authoritative dns servers.
Top level domain hierarchy. The root name server is the name server for the root zone. Sub domains third level domains host. The domain hierarchy that is shown in the following figure is a leaf of the huge dns namespace supported on the global internet. For lower level domains tld is the last part of the domain name i e the last label of a full domain name.
Responsible for com org net edu etc and all top level country domains uk fr ca jp. The domain name system dns is made up of a hierarchy of 5 important components. The page shows statistics of domain registrations in a given tld. There are currently 20 gtlds and 248 cctlds.
The dns root zone is the highest level in the dns hierarchy tree. 3 second level domains. The figure consists of the root directory which is represented as a dot and two top level domain hierarchies one organizational and one geographical. 3 second level domain.
The name of a company or seller that registered a domain name with a registrar is often the second level domain. For the domain name system to function properly each component of the dns hierarchy has a server that provides answers to queries initiated by the internet users. Organizations dns servers providing authoritative hostname to ip mappings for organizations servers. 2019 09 19 7 13 tld and authoritative servers top level domain tld servers.
Top level domains or tlds for short are domains of the hierarchy s highest level. 2 top level domains. In the domain name system dns the highest level of the hierarchy is the top level domain tld that portion of the domain name that appears furthest to the right.