Yes — 40l9.buzz has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
40l9.buzz has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3034::6815:603e answers · 443✓ 2606:4700:3037::ac43:ad9c answers · 443
yes
www over IPv6
www.40l9.buzz has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::ac43:ad9c answers · 443✓ 2606:4700:3034::6815:603e 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.
noor.ns.cloudflare.com ✓tate.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.
https://40l9.buzz/ via 2606:4700:3034::6815:603e → 403
works
 Which outside scripts, fonts, payments or chat 40l9.buzz loads from have no IPv6.
 Load 40l9.buzz 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/40l9.buzz.svg)](https://aaaa.bot/40l9.buzz)

Check again

40l9.buzz  Has IPv6

A (IPv4)172.67.173.156
104.21.96.62
AAAA (IPv6)2606:4700:3034::6815:603e
2606:4700:3037::ac43:ad9c

www.40l9.buzz  Has IPv6

A (IPv4)172.67.173.156
104.21.96.62
AAAA (IPv6)2606:4700:3037::ac43:ad9c
2606:4700:3034::6815:603e

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/Cc4hHJ33z4 · How we measure

Checked 2026-11-13 09:23:01 UTC. Full DNS report: dns.pizza/domain/40l9.buzz · Age, certificate and blocklists: how.is/40l9.buzz · JSON: /api/v1/40l9.buzz