Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 123rio.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::6815:4672 answers · 443✓ 2606:4700:3030::ac43:df15 answers · 443 | yes |
| www over IPv6 www.123rio.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:df15 answers · 443✓ 2606:4700:3033::6815:4672 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. fatima.ns.cloudflare.com ✓johnny.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://123rio.org/ via 2606:4700:3033::6815:4672 → 200 | works |
123rio.org Has IPv6
| A (IPv4) | 172.67.223.21 104.21.70.114 |
|---|---|
| AAAA (IPv6) | 2606:4700:3033::6815:4672 2606:4700:3030::ac43:df15 |
www.123rio.org Has IPv6
| A (IPv4) | 104.21.70.114 172.67.223.21 |
|---|---|
| AAAA (IPv6) | 2606:4700:3030::ac43:df15 2606:4700:3033::6815:4672 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/0izuhCsHuD · How we measure
Checked 2026-11-10 02:04:10 UTC. Full DNS report: dns.pizza/domain/123rio.org · Age, certificate and blocklists: how.is/123rio.org · JSON: /api/v1/123rio.org