Yes — a2pi.dev has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
a2pi.dev has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3032::6815:60f answers · 443✓ 2606:4700:3032::ac43:8628 answers · 443
yes
www over IPv6
www.a2pi.dev has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3032::ac43:8628 answers · 443✓ 2606:4700:3032::6815:60f 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.
dorthy.ns.cloudflare.com ✓sterling.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://a2pi.dev/ via 2606:4700:3032::6815:60f → 302https://agined.com/agentic-api via 2606:4700:3031::ac43:8568 → 200
works
 Which outside scripts, fonts, payments or chat a2pi.dev loads from have no IPv6.
 Load a2pi.dev over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/a2pi.dev.svg)](https://aaaa.bot/a2pi.dev)

Check again

a2pi.dev  Has IPv6

A (IPv4)172.67.134.40
104.21.6.15
AAAA (IPv6)2606:4700:3032::6815:60f
2606:4700:3032::ac43:8628

www.a2pi.dev  Has IPv6

A (IPv4)104.21.6.15
172.67.134.40
AAAA (IPv6)2606:4700:3032::ac43:8628
2606:4700:3032::6815:60f

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/4xJjUMx6F_ · How we measure

Checked 2026-11-14 10:52:42 UTC. Full DNS report: dns.pizza/domain/a2pi.dev · Age, certificate and blocklists: how.is/a2pi.dev · JSON: /api/v1/a2pi.dev