Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 us71.top has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::ac43:a74a answers · 443✓ 2606:4700:3034::6815:bda answers · 443 | yes |
| www over IPv6 www.us71.top has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::ac43:a74a answers · 443✓ 2606:4700:3034::6815:bda 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. bella.ns.cloudflare.com ✓watson.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200. https://us71.top/ via 2606:4700:3034::ac43:a74a → 301https://texas.twupro.com/south-houston/a1-barber-shop/ via 2606:4700:3037::ac43:c2b4 → 200 | works |
us71.top Has IPv6
| A (IPv4) | 104.21.11.218 172.67.167.74 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::ac43:a74a 2606:4700:3034::6815:bda |
www.us71.top Has IPv6
| A (IPv4) | 172.67.167.74 104.21.11.218 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::ac43:a74a 2606:4700:3034::6815:bda |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/8CZMfrapzY · How we measure
Checked 2026-11-10 15:49:30 UTC. Full DNS report: dns.pizza/domain/us71.top · Age, certificate and blocklists: how.is/us71.top · JSON: /api/v1/us71.top