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DNSViz: A DNS visualization tool

gov.uk

DNS Server Status

Delegation Information

NameParent zoneChild zoneAuthoritative IPs
Exists?Glue/additional recordsExists?
dns1.nic.ukindeterminate*yesA213.248.216.1
AAAA2a01:618:400::1
dns2.nic.ukindeterminate*yesA103.49.80.1
AAAA2401:fd80:400::1
dns3.nic.ukindeterminate*yesA213.248.220.1
AAAA2a01:618:404::1
dns4.nic.ukindeterminate*yesA43.230.48.1
AAAA2401:fd80:404::1

* All uk servers are also authoritative for gov.uk

Stealth Servers

(non-delegated servers from ancestor zones answering authoritatively)

NameZoneIP
nsa.nic.uk uk156.154.100.3
nsa.nic.uk uk2001:502:ad09::3
nsb.nic.uk uk156.154.101.3
nsb.nic.uk uk2001:502:2eda::3
nsc.nic.uk uk156.154.102.3
nsc.nic.uk uk2610:a1:1009::3
nsd.nic.uk uk156.154.103.3
nsd.nic.uk uk2610:a1:1010::3