Root Servers.
Snapshot · 18 Sep 2026

L-Root

Operational
l.root-servers.net

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

AS20144AnycastIPv4 + IPv6DNS RootICANN

What L-Root is

L-Root is the root server identity l.root-servers.net. It is one of the 13 named authorities for the DNS root zone, is operated by ICANN, and is served from multiple published locations using the same root-service addresses.

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

Network & Service

Hostname
l.root-servers.net
IPv4
199.7.83.42
IPv6
2001:500:9f::42
ASN
AS20144
Operator
ICANN
Transport
DNS over UDP / TCP · port 53
Address families
IPv4 and IPv6

Deployment Snapshot

122Published sitesroot-servers.org
~105Operationalcurrent snapshot
~10Suspendedcurrent snapshot
~7Decommissionedcurrent snapshot

Global Anycast Service

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

L-Root
ChicagoLos AngelesNairobi
L-Root199.7.83.422001:500:9f::42
PragueSingapore+ more sites

Published Locations

Selected examples from the operator-published L-Root site dataset.

View All Locations
LocationSite typeIPv4IPv6Instances
Chicago, USGlobalEnabledEnabled1
Los Angeles, USGlobalEnabledEnabled9
Nairobi, KEGlobalEnabledEnabled8
Prague, CZGlobalEnabledEnabled30
Singapore, SGGlobalEnabledEnabled30