.io TLD Report
Description: British Indian Ocean Territory
Delegated to: IO Top Level Domain Registry
Nameserver Status
IPv4 Enabled Nameservers
A Glue in the Root Zone
IPv6 Enabled Nameservers
AAAA Glue in the Root Zone
Domains:
3,421
A records:
2,450
A glue:
98
AAAA records:
466
AAAA glue:
0
Updated:
11 May 2026 05:13 PST
| A Record Breakdown | ||
|---|---|---|
| Range | Prefix | Count |
| unicast | 2,450 | |
| invalid | 16 | |
| loopback | 127.0.0.0/8 | 6 |
| RFC1918 | 192.168.0.0/16 | 1 |
| AAAA Record Breakdown | ||
|---|---|---|
| Range | Prefix | Count |
| unicast | 2000::/3 | 466 |
| invalid | 0 | |
| localhost | ::1/128 | 1 |
| link-local | fe80::/10 | 1 |
| Nameservers for .io TLD and SOA Query Test | ||||
|---|---|---|---|---|
| Nameserver | Pass | A | Pass | AAAA |
| a0.nic.io |
|
65.22.160.17 |
|
2a01:8840:9e::17 |
| a2.nic.io |
|
65.22.163.17 |
|
2a01:8840:a1::17 |
| b0.nic.io |
|
65.22.161.17 |
|
2a01:8840:9f::17 |
| c0.nic.io |
|
65.22.162.17 |
|
2a01:8840:a0::17 |
 | |
|---|---|
| Host | IP |
| china.io | 127.0.0.1 |
| gokken.io | 127.0.0.1 |
| igo.io | 127.0.0.1 |
| localhost.io | 127.0.0.1 |
| oiio.io | 127.0.0.1 |
| yun.io | 127.0.0.1 |
| |
|---|---|
| Host | IP |
| watkins.io | 192.168.100.25 |
| |
|---|---|
| Host | IP |
| igo.io | ::1 |
| |
|---|---|
| Host | IP |
| http.io | fe80::a423:90ff:fe66:bcdb |