Has both IPv4 (A) and IPv6 (AAAA) addresses.
Measured 2026-10-31 10:36 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check openaccessdoc.cfd now
| Website over IPv6 openaccessdoc.cfd has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::ac43:9663 answers · 443✓ 2606:4700:3037::6815:47e1 answers · 443 | yes |
| www over IPv6 www.openaccessdoc.cfd has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:47e1 answers · 443✓ 2606:4700:3034::ac43:9663 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. fay.ns.cloudflare.com ✓kirk.ns.cloudflare.com ✓ | yes |
First measured 2026-10-31; last confirmed 2026-10-31.
| HTTPS over IPv6 · not part of the grade yet Answered over IPv6 with a server error (HTTP 520) — can't tell whether that's specific to IPv6. https://openaccessdoc.cfd/ via 2606:4700:3034::ac43:9663 → 520 | ? |
openaccessdoc.cfd Has IPv6
| A (IPv4) | 172.67.150.99 104.21.71.225 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::ac43:9663 2606:4700:3037::6815:47e1 |
www.openaccessdoc.cfd Has IPv6
| A (IPv4) | 104.21.71.225 172.67.150.99 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::6815:47e1 2606:4700:3034::ac43:9663 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/QEQSzKxcyU · How we measure
Checked 2026-10-31 10:36:09 UTC. Full DNS report: dns.pizza/domain/openaccessdoc.cfd · Age, certificate and blocklists: how.is/openaccessdoc.cfd · JSON: /api/v1/openaccessdoc.cfd