Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 crustaceanclassifierproject.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:b26e answers · 443✓ 2606:4700:3033::6815:4b9c 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. darwin.ns.cloudflare.com ✓mona.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200. https://crustaceanclassifierproject.com/ via 2606:4700:3032::ac43:b26e → 303https://crustaceanclassifierproject.com/login?next=/ via 2606:4700:3032::ac43:b26e → 200 | works |
crustaceanclassifierproject.com Has IPv6
| A (IPv4) | 172.67.178.110 104.21.75.156 |
|---|---|
| AAAA (IPv6) | 2606:4700:3032::ac43:b26e 2606:4700:3033::6815:4b9c |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/rY2Qo2kIt_ · How we measure
Checked 2026-11-02 23:48:18 UTC. Full DNS report: dns.pizza/domain/crustaceanclassifierproject.com · Age, certificate and blocklists: how.is/crustaceanclassifierproject.com · JSON: /api/v1/crustaceanclassifierproject.com