Yes — level42.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
level42.dev has an AAAA record and answers on it.
✓ 2a01:4f8:d0a:5285::2 answers · 443
yes
www over IPv6
www.level42.dev has an AAAA record and answers on it.
✓ 2a01:4f8:d0a:5285::2 answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
www345.your-server.de ✓
yes
Nameservers have IPv6
3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns.second-ns.com ✓ns1.your-server.de ✓ns3.second-ns.de ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://level42.dev/ via 2a01:4f8:d0a:5285::2 → 200
works
 Which outside scripts, fonts, payments or chat level42.dev loads from have no IPv6.
 Load level42.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/level42.dev.svg)](https://aaaa.bot/level42.dev)

Check again

level42.dev  Has IPv6

A (IPv4)78.46.144.83
AAAA (IPv6)2a01:4f8:d0a:5285::2

www.level42.dev  Has IPv6

A (IPv4)78.46.144.83
AAAA (IPv6)2a01:4f8:d0a:5285::2

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/KWJ4P3pe2O · How we measure

Checked 2026-11-06 03:50:52 UTC. Full DNS report: dns.pizza/domain/level42.dev · Age, certificate and blocklists: how.is/level42.dev · JSON: /api/v1/level42.dev