• TLD Info
  • Sample A Records
  • Sample AAAA Records

.cern TLD Report

Description: -
Delegated to: European Organization for Nuclear Research ("CERN")
Nameserver Status
E
IPv4 Enabled Nameservers
O
A Glue in the Root Zone
O
IPv6 Enabled Nameservers
O
AAAA Glue in the Root Zone
O
Domains:
101
A records:
98
A glue:
4
AAAA records:
93
AAAA glue:
4
Updated:
12 Sep 2026 05:06 PST
A Record Breakdown
RangePrefixCount
unicast 98
invalid 0
AAAA Record Breakdown
RangePrefixCount
unicast 2000::/3 93
invalid 1

Nameservers for .cern TLD and SOA Query Test
NameserverPassAPassAAAA
a0.nic.cern O 65.22.224.1 O 2a01:8840:da::1
a2.nic.cern O 65.22.227.1 O 2a01:8840:dd::1
b0.nic.cern O 65.22.225.1 X 2a01:8840:db::1
c0.nic.cern O 65.22.226.1 O 2a01:8840:dc::1