Yes — 9kao.top has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
9kao.top has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::ac43:caf3 answers · 443✓ 2606:4700:3033::6815:1634 answers · 443
yes
www over IPv6
www.9kao.top has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::ac43:caf3 answers · 443✓ 2606:4700:3033::6815:1634 answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
_dc-mx.183d952c66c9.9kao.top ✗
no
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ada.ns.cloudflare.com ✓scott.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.
https://9kao.top/ via 2606:4700:3037::ac43:caf3 → 403
works
 Load 9kao.top over IPv6 from up to six other places — a second opinion.

What's keeping 9kao.top from an A

  1. Mail servers without IPv6
    _dc-mx.183d952c66c9.9kao.top has no AAAA record, so mail from IPv6-only servers can't reach it directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

9kao.top  Has IPv6

A (IPv4)104.21.22.52
172.67.202.243
AAAA (IPv6)2606:4700:3037::ac43:caf3
2606:4700:3033::6815:1634

www.9kao.top  Has IPv6

A (IPv4)172.67.202.243
104.21.22.52
AAAA (IPv6)2606:4700:3037::ac43:caf3
2606:4700:3033::6815:1634

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

 Permanent link: aaaa.bot/r/6e05UP5CTr · How we measure

Checked 2026-11-04 02:29:43 UTC. Full DNS report: dns.pizza/domain/9kao.top · Age, certificate and blocklists: how.is/9kao.top · JSON: /api/v1/9kao.top