Yes — justice.cz has IPv6.

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

Measured 2026-11-04 13:03 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check justice.cz now

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
justice.cz has an AAAA record and answers on it.
✓ 2001:af0:ffee:200::c2d5:29aa answers · 443
yes
www over IPv6
www.justice.cz has an AAAA record and answers on it.
✓ 2001:af0:ffee:200::c2d5:29aa 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
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
nadns1.justice.cz ✓nadns2.justice.cz ✓nadns3.justice.cz ✓nadns4.justice.cz ✓
yes

First measured 2026-11-04; last confirmed 2026-11-04.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://justice.cz/ via 2001:af0:ffee:200::c2d5:29aa → 302https://msp.gov.cz/ via 2001:af0:ffee:200::c2d5:29aa → 200
works
 Load justice.cz 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/justice.cz.svg)](https://aaaa.bot/justice.cz)

Check again

justice.cz  Has IPv6

A (IPv4)194.213.41.170
AAAA (IPv6)2001:af0:ffee:200::c2d5:29aa

www.justice.cz  Has IPv6

Alias ofjustice.cz
A (IPv4)194.213.41.170
AAAA (IPv6)2001:af0:ffee:200::c2d5:29aa

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/UD3oYCXFhO · How we measure

Checked 2026-11-04 13:03:08 UTC. Full DNS report: dns.pizza/domain/justice.cz · Age, certificate and blocklists: how.is/justice.cz · JSON: /api/v1/justice.cz