Topic summary
Root-servers.net
Extracted from the Wikipedia article Root name server.
Root server addresses
There are 13 logical root name servers specified, with logical names in the form letter.root-servers.net, where letter ranges from a to m. The choice of 13 name servers was made because of limitations in the original DNS specification, which specifies a maximum packet size of 512 bytes when using the User Datagram Protocol (UDP). Technically however, fourteen name servers fit into an IPv4 packet.