Verisign
The Verisign company manages the "a" and "j" root name servers (IPv4 addresses of 198.41.0.4 and 192.58.128.30, IPv6 addresses of 2001:503:ba3e::2:30 and 2001:503:c27::2:30 respectively). The company is currently based in Dulles, Virginia. Their primary business is DNS services since August 9, 2010 they sold their PKI certificate services and infrastructure to Symantec.
