Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 sert2ajn.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:1bd answers · 443✓ 2606:4700:3030::ac43:81d9 answers · 443 | yes |
| www over IPv6 www.sert2ajn.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:81d9 answers · 443✓ 2606:4700:3032::6815:1bd 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. peter.ns.cloudflare.com ✓shubhi.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://sert2ajn.pro/ via 2606:4700:3032::6815:1bd → 403 | works |
sert2ajn.pro Has IPv6
| A (IPv4) | 104.21.1.189 172.67.129.217 |
|---|---|
| AAAA (IPv6) | 2606:4700:3032::6815:1bd 2606:4700:3030::ac43:81d9 |
www.sert2ajn.pro Has IPv6
| A (IPv4) | 172.67.129.217 104.21.1.189 |
|---|---|
| AAAA (IPv6) | 2606:4700:3030::ac43:81d9 2606:4700:3032::6815:1bd |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/sxEnEzbP0i · How we measure
Checked 2026-11-10 08:03:27 UTC. Full DNS report: dns.pizza/domain/sert2ajn.pro · Age, certificate and blocklists: how.is/sert2ajn.pro · JSON: /api/v1/sert2ajn.pro