Root Servers.
Snapshot · 18 Sep 2026

E-Root

Operational
e.root-servers.net

One of the 13 named authorities configured for the DNS root zone.

AS21556AnycastIPv4 + IPv6DNS RootNASA

What E-Root is

E-Root is the root server identity e.root-servers.net. It is one of the 13 named authorities for the DNS root zone, is operated by NASA (Ames Research Center), and is served from 328 published locations using the same root-service addresses.

Global service328 published sites across multiple regions worldwide
Root authorityAnswers authoritative queries for the root zone
Anycast deliveryOne service identity announced from many sites

Network & Service

Hostname
e.root-servers.net
IPv4
192.203.230.10
IPv6
2001:500:a8::e
ASN
AS21556
Operator
NASA (Ames Research Center)
Transport
DNS over UDP / TCP · port 53
Address families
IPv4 and IPv6

Deployment Snapshot

328Published sitesroot-servers.org
290Operationalcurrent snapshot
0Suspendedcurrent snapshot
0Decommissionedcurrent snapshot

Global Anycast Service

Same root-service addresses, published from multiple network sites.

E-Root
AmsterdamAtlantaFrankfurt
E-Root192.203.230.102001:500:a8::e
LondonSingapore+ more sites

Published Locations

Selected examples from the operator-published dataset. This is not the complete list.

View All Locations
LocationSite typeIPv4IPv6Instances
Amsterdam, NLGlobalEnabledEnabled1
Ashburn, USGlobalEnabledEnabled1
Chicago, USGlobalEnabledEnabled1
Frankfurt, DEGlobalEnabledEnabled1
Tokyo, JPGlobalEnabledEnabled1