Yes — 43y.app has IPv6.

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

This is a saved measurement from 2026-11-05 03:27 UTC. Check 43y.app live now

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
43y.app has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3036::6815:dba answers · 443✓ 2606:4700:3037::ac43:850e answers · 443
yes
www over IPv6
www.43y.app has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::ac43:850e answers · 443✓ 2606:4700:3036::6815:dba 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.
fatima.ns.cloudflare.com ✓johnny.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://43y.app/ via 2606:4700:3036::6815:dba → 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/43y.app.svg)](https://aaaa.bot/43y.app)

Check again

43y.app  Has IPv6

A (IPv4)172.67.133.14
104.21.13.186
AAAA (IPv6)2606:4700:3036::6815:dba
2606:4700:3037::ac43:850e

www.43y.app  Has IPv6

A (IPv4)104.21.13.186
172.67.133.14
AAAA (IPv6)2606:4700:3037::ac43:850e
2606:4700:3036::6815:dba

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/tGSkmrQiEI · How we measure

Checked 2026-11-05 03:27:06 UTC. Full DNS report: dns.pizza/domain/43y.app · Age, certificate and blocklists: how.is/43y.app · JSON: /api/v1/43y.app