Defense Information Systems Agency
The Defense Information Systems Agency (DISA) is a U.S. Department of Defense combat support agency. The agency has more than 8,000 military and civilian employees providing, operating, and assuring command and control, information-sharing, and infrastructure support to joint warfighters, national-level leaders, and mission and coalition partners across military operations.[1]
DISA DOD Network Information Center (NIC) operates G.root-servers.net, one of the thirteen logical Internet Root name servers. DISA DOD NIC cooperates with the eleven other Root Server Operators to provide authoritative data for the DNS Root Zone.
The G-Root DNS system operates at:
- IPv4 address 192.112.36.4 from the range 192.112.36.0/24
- IPv6 address 2001:500:12::d0d from the range 2001:500:12::/48
These ranges are announced from AS5927.
More about G-Root:
- G.Root-servers.net uses BIND9 from Internet Systems Consortium.
- G-Root RSSAC measurements
- Locations: Columbus, Ohio, US; Stuttgart-Vaihingen, DE; Naples, IT; Fussa, JP; Honolulu, Hawaii, US; San Antonio, Texas, US [2]