.cern TLD Report
Description: -
Delegated to: European Organization for Nuclear Research ("CERN")
Nameserver Status
IPv4 Enabled Nameservers
A Glue in the Root Zone
IPv6 Enabled Nameservers
AAAA Glue in the Root Zone
Domains:
95
A records:
93
A glue:
4
AAAA records:
88
AAAA glue:
4
Updated:
23 Jan 2026 01:48 PST
| A Record Breakdown | ||
|---|---|---|
| Range | Prefix | Count |
| unicast | 93 | |
| invalid | 0 | |
| AAAA Record Breakdown | ||
|---|---|---|
| Range | Prefix | Count |
| unicast | 2000::/3 | 88 |
| invalid | 1 | |
| Nameservers for .cern TLD and SOA Query Test | ||||
|---|---|---|---|---|
| Nameserver | Pass | A | Pass | AAAA |
| a0.nic.cern |
|
65.22.224.1 |
|
2a01:8840:da::1 |
| a2.nic.cern |
|
65.22.227.1 |
|
2a01:8840:dd::1 |
| b0.nic.cern |
|
65.22.225.1 |
|
2a01:8840:db::1 |
| c0.nic.cern |
|
65.22.226.1 |
|
2a01:8840:dc::1 |
 | |
|---|---|
| Host | IP |
| arts.cern | 1:1458:201:4::100:324 |