Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 xtucx.best has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::ac43:8ba1 answers · 443✓ 2606:4700:3030::6815:210b 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. george.ns.cloudflare.com ✓kira.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://xtucx.best/ via 2606:4700:3031::ac43:8ba1 → 403 | works |
xtucx.best Has IPv6
| A (IPv4) | 104.21.33.11 172.67.139.161 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::ac43:8ba1 2606:4700:3030::6815:210b |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/U0v6zx3wTE · How we measure
Checked 2026-10-30 23:04:16 UTC. Full DNS report: dns.pizza/domain/xtucx.best · JSON: /api/v1/xtucx.best