Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 4px1.buzz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::ac43:dab2 answers · 443✓ 2606:4700:3034::6815:35cd answers · 443 | yes |
| www over IPv6 www.4px1.buzz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:35cd answers · 443✓ 2606:4700:3034::ac43:dab2 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. coleman.ns.cloudflare.com ✓fatima.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://4px1.buzz/ via 2606:4700:3034::ac43:dab2 → 403 | works |
4px1.buzz Has IPv6
| A (IPv4) | 104.21.53.205 172.67.218.178 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::ac43:dab2 2606:4700:3034::6815:35cd |
www.4px1.buzz Has IPv6
| A (IPv4) | 172.67.218.178 104.21.53.205 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::6815:35cd 2606:4700:3034::ac43:dab2 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/9nf1VTZYRF · How we measure
Checked 2026-11-13 09:47:30 UTC. Full DNS report: dns.pizza/domain/4px1.buzz · Age, certificate and blocklists: how.is/4px1.buzz · JSON: /api/v1/4px1.buzz