root zone management

The work of keeping the root zone (glossary)root zone The top of the DNS, listing every TLD and its name servers. Full definition of root zone, the list of all TLDs (glossary)TLD top-level domain The last part of a domain name, after the final dot. Full definition of TLD, correct and up to date. IANA (glossary)IANA Internet Assigned Numbers Authority The functions that coordinate the root zone, IP addresses and protocol numbers. Full definition of IANA checks change requests from TLD managers. Verisign (glossary)Verisign The company that operates the .com and .net registries. Full definition of Verisign, as root zone maintainer, then edits, signs and publishes the zone, and the root servers (glossary)root server A server that answers for the DNS root zone and points to TLD servers. Full definition of root server serve it.