IPv6
Measured 2026-11-04 13:03 UTC · aaaa.botWebsite, mail and DNS all work over IPv6.
The published IPv6 address accepted a connection when we tried it.
- ✓ justice.cz answers (1 of 1 addresses)
- ✓ www.justice.cz answers (1 of 1)
- ✓ Mail: has IPv6
- ✓ Nameservers: 4 of 4 have IPv6
Details: published addresses and what answered
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
| Name | Published address (AAAA) | Answers when we connect |
|---|---|---|
| justice.cz | Published2001:af0:ffee:200::c2d5:29aa | Answers when we connect✓ answers on 443 |
| www.justice.cz | Published2001:af0:ffee:200::c2d5:29aa | Answers when we connect✓ answers on 443 |
PublishedNo MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record. | Answers when we connecthas IPv6 | |
| Nameservers | Publishednadns1.justice.cznadns2.justice.cznadns3.justice.cznadns4.justice.cz | Answers when we connect✓ has IPv6✓ has IPv6✓ has IPv6✓ has IPv6 |
Lineage
Our records: Jan 4, 2009 → Nov 4, 2026Oldest registry snapshot we hold: 2025 · 1 renewal on record. These dates are when our records begin, not when the domain was registered.
DNS provider
- gts.cz + justice.czJan 2009 – Nov 2014
- justice.cz + tel.czFeb 2015 – Jun 2019
- justice.czAug 2019 – Jun 2026
IPv6
- IPv6published, and answeringFirst measured Nov 2026
What changed
- IPv6 first measured: published, and answering on Nov 4, 2026justice.cz has 1 IPv6 address. Grade A. Measured by aaaa.bot, 2026-11-04 13:03 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
- Renewed +1 year between Jan 4, 2026 and May 15, 2026Expiry moved from 2029-10-20 to 2030-10-20.
- New nameservers at justice.cz between Aug 23, 2023 and Nov 9, 2023dns1.justice.cz, dns2.justice.cz → nadns1.justice.cz, nadns2.justice.cz. Old set last seen in WHOIS on 2023-08-23; new set first seen in WHOIS on 2023-11-09.
- DNS moved to justice.cz between Jun 30, 2019 and Aug 13, 2019dns1.justice.cz, dns2.justice.cz, ns2.tel.cz → dns1.justice.cz, dns2.justice.cz. Old set last seen in WHOIS on 2019-06-30; new set first seen in WHOIS on 2019-08-13.
- DNS moved to justice.cz + tel.cz between Nov 4, 2014 and Feb 9, 2015dns1.justice.cz, dns2.justice.cz, server1.gts.cz → dns1.justice.cz, dns2.justice.cz, ns2.tel.cz. Old set last seen in WHOIS on 2014-11-04; new set first seen in WHOIS on 2015-02-09.
- New nameservers at gts.cz + justice.cz between Nov 6, 2012 and Dec 21, 2012ns.justice.cz, server1.gts.cz → dns1.justice.cz, dns2.justice.cz, server1.gts.cz. Old set last seen in WHOIS on 2012-11-06; new set first seen in WHOIS on 2012-12-21.
Solid bar: the stretch we observed that name. Dot: a single sighting. Dotted line: no record between sightings of the same name. Nothing is drawn between different names.
Registrar and renewals: 6 WHOIS/RDAP snapshots, 2025-02-27 to 2026-05-15 (ledger built 2026-09-27). Every renewal
DNS provider, WHOIS snapshots: 145 WHOIS/RDAP snapshots that listed nameservers, 2009-01-04 to 2026-06-16 (who.is archive). Both sources feed one row per provider (hover a bar to see which); a change is placed between the nearest observations on either side, and where the two sources disagree, both are listed under What changed.
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Registered in 1996 — the same year as bing.com, doubleclick.net and digicert.com.