ICANN Managed Root Server

ICANN Managed Root Server (IMRS) DNS system operates at

  • Name label l.root-servers.net.
  • IPv4 address from the ranges and
  • IPv6 address 2001:500:9f::42 from the ranges 2001:500:9f::/48 and 2001:500:9e::/47
  • All these ranges are announced from AS20144.

The service uses the Name Server Daemon (NSD) from NLNetLabs, and Knot DNS from CZ.NIC Labs.

Some useful information:

OLD NOTICE 2016 IPv6 Address Renumbering