Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 mailunwrap.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::6815:598b answers · 443✓ 2606:4700:3035::ac43:a035 answers · 443 | yes |
| www over IPv6 www.mailunwrap.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:a035 answers · 443✓ 2606:4700:3033::6815:598b answers · 443 | yes |
| Mail servers (MX) have IPv6 Every mail server has an AAAA record. route3.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓route2.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. heidi.ns.cloudflare.com ✓margo.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://mailunwrap.com/ via 2606:4700:3033::6815:598b → 200 | works |
mailunwrap.com Has IPv6
| A (IPv4) | 104.21.89.139 172.67.160.53 |
|---|---|
| AAAA (IPv6) | 2606:4700:3033::6815:598b 2606:4700:3035::ac43:a035 |
www.mailunwrap.com Has IPv6
| A (IPv4) | 172.67.160.53 104.21.89.139 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::ac43:a035 2606:4700:3033::6815:598b |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/2OLZcpq8Ks · How we measure
Checked 2026-11-08 13:33:09 UTC. Full DNS report: dns.pizza/domain/mailunwrap.com · Age, certificate and blocklists: how.is/mailunwrap.com · JSON: /api/v1/mailunwrap.com