Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 qdzcfy.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:2d21 answers · 443✓ 2606:4700:3032::ac43:d05b answers · 443 | yes |
| www over IPv6 www.qdzcfy.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:d05b answers · 443✓ 2606:4700:3036::6815:2d21 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 ✓syeef.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://qdzcfy.com/ via 2606:4700:3036::6815:2d21 → 403 | works |
qdzcfy.com Has IPv6
| A (IPv4) | 172.67.208.91 104.21.45.33 |
|---|---|
| AAAA (IPv6) | 2606:4700:3036::6815:2d21 2606:4700:3032::ac43:d05b |
www.qdzcfy.com Has IPv6
| A (IPv4) | 172.67.208.91 104.21.45.33 |
|---|---|
| AAAA (IPv6) | 2606:4700:3032::ac43:d05b 2606:4700:3036::6815:2d21 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/McHqJWhiGo · How we measure
Checked 2026-11-13 21:05:19 UTC. Full DNS report: dns.pizza/domain/qdzcfy.com · Age, certificate and blocklists: how.is/qdzcfy.com · JSON: /api/v1/qdzcfy.com