Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 cuon.studio has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:df4c answers · 443✓ 2606:4700:3030::6815:56b1 answers · 443 | yes |
| www over IPv6 www.cuon.studio has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:56b1 answers · 443✓ 2606:4700:3033::ac43:df4c answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route1.mx.cloudflare.net ✓route2.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. bowen.ns.cloudflare.com ✓elle.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://cuon.studio/ via 2606:4700:3033::ac43:df4c → 200 | works |
cuon.studio Has IPv6
| A (IPv4) | 172.67.223.76 104.21.86.177 |
|---|---|
| AAAA (IPv6) | 2606:4700:3033::ac43:df4c 2606:4700:3030::6815:56b1 |
www.cuon.studio Has IPv6
| A (IPv4) | 104.21.86.177 172.67.223.76 |
|---|---|
| AAAA (IPv6) | 2606:4700:3030::6815:56b1 2606:4700:3033::ac43:df4c |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/27H-N0RzT0 · How we measure
Checked 2026-11-08 17:39:42 UTC. Full DNS report: dns.pizza/domain/cuon.studio · Age, certificate and blocklists: how.is/cuon.studio · JSON: /api/v1/cuon.studio