Yes — forina.net has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
forina.net has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3032::ac43:af1e answers · 443✓ 2606:4700:3033::6815:3804 answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
mxbiz2.qq.com ✗mxbiz1.qq.com ✗
no
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
aryanna.ns.cloudflare.com ✓jerome.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://forina.net/ via 2606:4700:3032::ac43:af1e → 200
works
 Load forina.net over IPv6 from up to six other places — a second opinion.

What's keeping forina.net from an A

  1. Mail servers without IPv6
    mxbiz2.qq.com, mxbiz1.qq.com have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

forina.net  Has IPv6

A (IPv4)104.21.56.4
172.67.175.30
AAAA (IPv6)2606:4700:3032::ac43:af1e
2606:4700:3033::6815:3804

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

 Permanent link: aaaa.bot/r/G_WYTPqurI · How we measure

Checked 2026-11-03 22:48:04 UTC. Full DNS report: dns.pizza/domain/forina.net · Age, certificate and blocklists: how.is/forina.net · JSON: /api/v1/forina.net