Yes — heightened.app has IPv6.

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

This is a saved measurement from 2026-11-03 07:45 UTC. Check heightened.app live now

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
heightened.app has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3032::ac43:b60c answers · 443✓ 2606:4700:3031::6815:43dd answers · 443
yes
www over IPv6
www.heightened.app has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3031::6815:43dd answers · 443✓ 2606:4700:3032::ac43:b60c 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.
anita.ns.cloudflare.com ✓ricardo.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://heightened.app/ via 2606:4700:3032::ac43:b60c → 200
works

Nothing keeping you from an A

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

Check again

heightened.app  Has IPv6

A (IPv4)104.21.67.221
172.67.182.12
AAAA (IPv6)2606:4700:3032::ac43:b60c
2606:4700:3031::6815:43dd

www.heightened.app  Has IPv6

A (IPv4)172.67.182.12
104.21.67.221
AAAA (IPv6)2606:4700:3031::6815:43dd
2606:4700:3032::ac43:b60c

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/hzTA7tALd9 · How we measure

Checked 2026-11-03 07:45:41 UTC. Full DNS report: dns.pizza/domain/heightened.app · Age, certificate and blocklists: how.is/heightened.app · JSON: /api/v1/heightened.app