Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 proofofstock.xyz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:146f answers · 443✓ 2606:4700:3030::ac43:c05d answers · 443 | yes |
| www over IPv6 www.proofofstock.xyz has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:146f answers · 443✓ 2606:4700:3030::ac43:c05d answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route3.mx.cloudflare.net ✓route2.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓ | yes |
| Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. aisha.ns.cloudflare.com ✓augustus.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://proofofstock.xyz/ via 2606:4700:3036::6815:146f → 200 | works |
proofofstock.xyz Has IPv6
| A (IPv4) | 172.67.192.93 104.21.20.111 |
|---|---|
| AAAA (IPv6) | 2606:4700:3036::6815:146f 2606:4700:3030::ac43:c05d |
www.proofofstock.xyz Has IPv6
| A (IPv4) | 172.67.192.93 104.21.20.111 |
|---|---|
| AAAA (IPv6) | 2606:4700:3036::6815:146f 2606:4700:3030::ac43:c05d |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/gzlKBSyKoM · How we measure
Checked 2026-11-12 07:46:21 UTC. Full DNS report: dns.pizza/domain/proofofstock.xyz · Age, certificate and blocklists: how.is/proofofstock.xyz · JSON: /api/v1/proofofstock.xyz