Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 olwdoor.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:3531 answers · 443✓ 2606:4700:3030::ac43:d103 answers · 443 | yes |
| www over IPv6 www.olwdoor.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:d103 answers · 443✓ 2606:4700:3031::6815:3531 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. addyson.ns.cloudflare.com ✓melnicoff.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://olwdoor.com/ via 2606:4700:3031::6815:3531 → 403 | works |
olwdoor.com Has IPv6
| A (IPv4) | 104.21.53.49 172.67.209.3 |
|---|---|
| AAAA (IPv6) | 2606:4700:3031::6815:3531 2606:4700:3030::ac43:d103 |
www.olwdoor.com Has IPv6
| A (IPv4) | 172.67.209.3 104.21.53.49 |
|---|---|
| AAAA (IPv6) | 2606:4700:3030::ac43:d103 2606:4700:3031::6815:3531 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/mwfjSlYa4_ · How we measure
Checked 2026-11-12 13:31:46 UTC. Full DNS report: dns.pizza/domain/olwdoor.com · Age, certificate and blocklists: how.is/olwdoor.com · JSON: /api/v1/olwdoor.com