Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 joaozinho.news has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:4ff2 answers · 443✓ 2606:4700:3031::ac43:ac06 answers · 443 | yes |
| www over IPv6 www.joaozinho.news has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::ac43:ac06 answers · 443✓ 2606:4700:3034::6815:4ff2 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. gwen.ns.cloudflare.com ✓vin.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://joaozinho.news/ via 2606:4700:3034::6815:4ff2 → 200 | works |
joaozinho.news Has IPv6
| A (IPv4) | 104.21.79.242 172.67.172.6 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::6815:4ff2 2606:4700:3031::ac43:ac06 |
www.joaozinho.news Has IPv6
| A (IPv4) | 104.21.79.242 172.67.172.6 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::ac43:ac06 2606:4700:3034::6815:4ff2 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/cmgvMpk0bS · How we measure
Checked 2026-11-04 04:17:51 UTC. Full DNS report: dns.pizza/domain/joaozinho.news · Age, certificate and blocklists: how.is/joaozinho.news · JSON: /api/v1/joaozinho.news