Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 tun8uw4.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:9c0b answers · 443✓ 2606:4700:3031::6815:321e answers · 443 | yes |
| www over IPv6 www.tun8uw4.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:9c0b answers · 443✓ 2606:4700:3031::6815:321e 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. martha.ns.cloudflare.com ✓miles.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://tun8uw4.pro/ via 2606:4700:3037::ac43:9c0b → 403 | works |
tun8uw4.pro Has IPv6
| A (IPv4) | 104.21.50.30 172.67.156.11 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:9c0b 2606:4700:3031::6815:321e |
www.tun8uw4.pro Has IPv6
| A (IPv4) | 104.21.50.30 172.67.156.11 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:9c0b 2606:4700:3031::6815:321e |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/ST-SlH6xEo · How we measure
Checked 2026-11-07 01:27:22 UTC. Full DNS report: dns.pizza/domain/tun8uw4.pro · Age, certificate and blocklists: how.is/tun8uw4.pro · JSON: /api/v1/tun8uw4.pro