Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 445crescent.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::ac43:ab97 answers · 443✓ 2606:4700:3034::6815:3fb3 answers · 443 | yes |
| www over IPv6 www.445crescent.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:3fb3 answers · 443✓ 2606:4700:3034::ac43:ab97 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. quentin.ns.cloudflare.com ✓sunny.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://445crescent.com/ via 2606:4700:3034::ac43:ab97 → 200 | works |
445crescent.com Has IPv6
| A (IPv4) | 104.21.63.179 172.67.171.151 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::ac43:ab97 2606:4700:3034::6815:3fb3 |
www.445crescent.com Has IPv6
| A (IPv4) | 104.21.63.179 172.67.171.151 |
|---|---|
| AAAA (IPv6) | 2606:4700:3034::6815:3fb3 2606:4700:3034::ac43:ab97 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/k8n-vDjgRE · How we measure
Checked 2026-11-09 00:44:40 UTC. Full DNS report: dns.pizza/domain/445crescent.com · Age, certificate and blocklists: how.is/445crescent.com · JSON: /api/v1/445crescent.com