.bio TLD Report
Description: -
Delegated to: STARTING DOT LIMITED
Nameserver Status
IPv4 Enabled Nameservers
A Glue in the Root Zone
IPv6 Enabled Nameservers
AAAA Glue in the Root Zone
Domains:
71,857
A records:
66,519
A glue:
391
AAAA records:
26,281
AAAA glue:
18
Updated:
13 Sep 2026 04:22 PST
| A Record Breakdown | ||
|---|---|---|
| Range | Prefix | Count |
| unicast | 66,519 | |
| invalid | 18 | |
| this-network | 0.0.0.0/8 | 2 |
| RFC1918 | 10.0.0.0/8 | 4 |
| RFC6598 | 100.64.0.0/10 | 3 |
| loopback | 127.0.0.0/8 | 93 |
| RFC1918 | 192.168.0.0/16 | 1 |
| AAAA Record Breakdown | ||
|---|---|---|
| Range | Prefix | Count |
| unicast | 2000::/3 | 26,281 |
| invalid | 5 | |
| localhost | ::1/128 | 11 |
| link-local | fe80::/10 | 2 |
| Nameservers for .bio TLD and SOA Query Test | ||||
|---|---|---|---|---|
| Nameserver | Pass | A | Pass | AAAA |
| a0.nic.bio |
|
65.22.84.9 |
|
2a01:8840:52::9 |
| a2.nic.bio |
|
65.22.87.9 |
|
2a01:8840:55::9 |
| b0.nic.bio |
|
65.22.85.9 |
|
2a01:8840:53::9 |
| c0.nic.bio |
|
65.22.86.9 |
|
2a01:8840:54::9 |
| |
|---|---|
| Host | IP |
| biobude.bio | 0.0.0.0 |
| xl-mab.bio | 0.0.0.0 |
| |
|---|---|
| Host | IP |
| bluesphere.bio | 10.1.10.30 |
| biobasedcarbon.bio | 10.10.122.237 |
| vitalityx.bio | 10.11.122.128 |
| carder.bio | 10.229.246.172 |
| |
|---|---|
| Host | IP |
| vishva.bio | 100.95.36.93 |
| danielclark.bio | 100.97.184.20 |
| trott.bio | 100.113.114.14 |
| |
|---|---|
| Host | IP |
| abiraspi.bio | 192.168.1.112 |
| |
|---|---|
| Host | IP |
| bio-suisse.bio | ::1 |
| biosuisse.bio | ::1 |
| boeuf-kerdroual.bio | ::1 |
| bourgeon.bio | ::1 |
| curida.bio | ::1 |
| gemma.bio | ::1 |
| lucianocorino.bio | ::1 |
| markdarland.bio | ::1 |
| mirra.bio | ::1 |
| tweaker.bio | ::1 |
| |
|---|---|
| Host | IP |
| cepheid.bio | 100::1 |
| genexpert.bio | 100::1 |
| lucid.bio | 100::1 |
| xpert.bio | 100::1 |
| neurogtx.bio | 100:: |
| |
|---|---|
| Host | IP |
| virnostica.bio | fe80::1:a6ff:fe77:1dcf |
| our.bio | fe80::a423:90ff:fe66:bcdb |