• TLD Info
  • Sample A Records
  • Sample AAAA Records

.bio TLD Report

Description: -
Delegated to: STARTING DOT LIMITED
Nameserver Status
O
IPv4 Enabled Nameservers
O
A Glue in the Root Zone
O
IPv6 Enabled Nameservers
O
AAAA Glue in the Root Zone
O
Domains:
72,288
A records:
66,909
A glue:
390
AAAA records:
26,550
AAAA glue:
18
Updated:
08 Oct 2026 04:59 PST
A Record Breakdown
RangePrefixCount
unicast 66,909
invalid 20
this-network 0.0.0.0/8 2
RFC1918 10.0.0.0/8 4
RFC6598 100.64.0.0/10 3
loopback 127.0.0.0/8 113
documentation 192.0.2.0/24 2
RFC1918 192.168.0.0/16 1
AAAA Record Breakdown
RangePrefixCount
unicast 2000::/3 26,550
invalid 3
localhost ::1/128 12
link-local fe80::/10 2

Nameservers for .bio TLD and SOA Query Test
NameserverPassAPassAAAA
a0.nic.bio O 65.22.84.9 O 2a01:8840:52::9
a2.nic.bio O 65.22.87.9 O 2a01:8840:55::9
b0.nic.bio O 65.22.85.9 O 2a01:8840:53::9
c0.nic.bio O 65.22.86.9 O 2a01:8840:54::9