Yes — spinfin.cyou has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
spinfin.cyou has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3034::6815:d19 answers · 443✓ 2606:4700:3030::ac43:c510 answers · 443
yes
www over IPv6
www.spinfin.cyou has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3030::ac43:c510 answers · 443✓ 2606:4700:3034::6815:d19 answers · 443
yes
Mail servers (MX) have IPv6
No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.		yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
donovan.ns.cloudflare.com ✓eva.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://spinfin.cyou/ via 2606:4700:3034::6815:d19 → 200
works
 Which outside scripts, fonts, payments or chat spinfin.cyou loads from have no IPv6.
 Load spinfin.cyou over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/spinfin.cyou.svg)](https://aaaa.bot/spinfin.cyou)

Check again

spinfin.cyou  Has IPv6

A (IPv4)172.67.197.16
104.21.13.25
AAAA (IPv6)2606:4700:3034::6815:d19
2606:4700:3030::ac43:c510

www.spinfin.cyou  Has IPv6

A (IPv4)104.21.13.25
172.67.197.16
AAAA (IPv6)2606:4700:3030::ac43:c510
2606:4700:3034::6815:d19

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/y5S36uJdRY · How we measure

Checked 2026-11-08 00:17:00 UTC. Full DNS report: dns.pizza/domain/spinfin.cyou · Age, certificate and blocklists: how.is/spinfin.cyou · JSON: /api/v1/spinfin.cyou