Yes — hero11s.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
hero11s.dev has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3031::ac43:8643 answers · 443✓ 2606:4700:3033::6815:1985 answers · 443
yes
www over IPv6
www.hero11s.dev has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3033::6815:1985 answers · 443✓ 2606:4700:3031::ac43:8643 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.
colette.ns.cloudflare.com ✓skip.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://hero11s.dev/ via 2606:4700:3031::ac43:8643 → 200
works
 Load hero11s.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/hero11s.dev.svg)](https://aaaa.bot/hero11s.dev)

Check again

hero11s.dev  Has IPv6

A (IPv4)172.67.134.67
104.21.25.133
AAAA (IPv6)2606:4700:3031::ac43:8643
2606:4700:3033::6815:1985

www.hero11s.dev  Has IPv6

A (IPv4)104.21.25.133
172.67.134.67
AAAA (IPv6)2606:4700:3033::6815:1985
2606:4700:3031::ac43:8643

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/qdbZPyW81q · How we measure

Checked 2026-11-02 02:58:07 UTC. Full DNS report: dns.pizza/domain/hero11s.dev · JSON: /api/v1/hero11s.dev