Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 339z.net has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:3571 answers · 443✓ 2606:4700:3035::ac43:d43b answers · 443 | yes |
| www over IPv6 www.339z.net has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:3571 answers · 443✓ 2606:4700:3035::ac43:d43b 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. fatima.ns.cloudflare.com ✓johnny.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 200. https://339z.net/ via 2606:4700:3037::6815:3571 → 200 | works |
339z.net Has IPv6
| A (IPv4) | 172.67.212.59 104.21.53.113 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::6815:3571 2606:4700:3035::ac43:d43b |
www.339z.net Has IPv6
| A (IPv4) | 172.67.212.59 104.21.53.113 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::6815:3571 2606:4700:3035::ac43:d43b |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/O-3qlZiCV4 · How we measure
Checked 2026-11-09 00:46:50 UTC. Full DNS report: dns.pizza/domain/339z.net · Age, certificate and blocklists: how.is/339z.net · JSON: /api/v1/339z.net