Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 jiaoxu.net has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:94ad answers · 443✓ 2606:4700:3035::6815:5fdd answers · 443 | yes |
| www over IPv6 www.jiaoxu.net has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:5fdd answers · 443✓ 2606:4700:3037::ac43:94ad 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. cullen.ns.cloudflare.com ✓joyce.ns.cloudflare.com ✓ | yes |
| HTTPS over IPv6 · not part of the grade yet Loads over IPv6 with a valid certificate: HTTP 403. https://jiaoxu.net/ via 2606:4700:3037::ac43:94ad → 403 | works |
jiaoxu.net Has IPv6
| A (IPv4) | 104.21.95.221 172.67.148.173 |
|---|---|
| AAAA (IPv6) | 2606:4700:3037::ac43:94ad 2606:4700:3035::6815:5fdd |
www.jiaoxu.net Has IPv6
| A (IPv4) | 172.67.148.173 104.21.95.221 |
|---|---|
| AAAA (IPv6) | 2606:4700:3035::6815:5fdd 2606:4700:3037::ac43:94ad |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/a0DN_5fMnr · How we measure
Checked 2026-11-12 00:36:27 UTC. Full DNS report: dns.pizza/domain/jiaoxu.net · Age, certificate and blocklists: how.is/jiaoxu.net · JSON: /api/v1/jiaoxu.net