Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 xn--suth-gra.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:8e3 answers · 443✓ 2606:4700:3037::ac43:9e16 answers · 443 | yes |
| www over IPv6 www.xn--suth-gra.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:8e3 answers · 443✓ 2606:4700:3037::ac43:9e16 answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route2.mx.cloudflare.net ✓route1.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. leif.ns.cloudflare.com ✓sunny.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://xn--suth-gra.com/ via 2606:4700:3035::6815:8e3 → 200 | works |
xn--suth-gra.com Has IPv6
| A (IPv4) | 104.21.8.227 172.67.158.22 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::6815:8e3 2606:4700:3037::ac43:9e16 |
www.xn--suth-gra.com Has IPv6
| A (IPv4) | 104.21.8.227 172.67.158.22 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::6815:8e3 2606:4700:3037::ac43:9e16 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/2NM4SjwKdT · How we measure
Checked 2026-11-03 23:35:07 UTC. Full DNS report: dns.pizza/domain/xn--suth-gra.com · Age, certificate and blocklists: how.is/xn--suth-gra.com · JSON: /api/v1/xn--suth-gra.com