Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 gofaceless.dev has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:48c1 answers · 443✓ 2606:4700:3037::ac43:9a8b answers · 443 | yes |
| www over IPv6 www.gofaceless.dev has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:9a8b answers · 443✓ 2606:4700:3032::6815:48c1 answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route2.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. athena.ns.cloudflare.com ✓kellen.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://gofaceless.dev/ via 2606:4700:3032::6815:48c1 → 200 | works |
gofaceless.dev Has IPv6
| A (IPv4) | 172.67.154.139 104.21.72.193 |
|---|---|
| AAAA (IPv6) | 2606:4700:3032::6815:48c1 2606:4700:3037::ac43:9a8b |
www.gofaceless.dev Has IPv6
| A (IPv4) | 104.21.72.193 172.67.154.139 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:9a8b 2606:4700:3032::6815:48c1 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/co2luNY40V · How we measure
Checked 2026-11-14 04:52:41 UTC. Full DNS report: dns.pizza/domain/gofaceless.dev · Age, certificate and blocklists: how.is/gofaceless.dev · JSON: /api/v1/gofaceless.dev