IPv6
Measured 2026-11-13 19:34 UTC · aaaa.botWorks over IPv6, with one gap: its mail servers lack IPv6.
ifortuna.cz has 2 IPv6 addresses and answers on every one we tested.
- ✓ ifortuna.cz answers (2 of 2 addresses)
- ✓ www.ifortuna.cz answers (2 of 2)
- ✗ Mail: 1 of 2 servers have IPv6
- ✓ Nameservers: 2 of 2 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 |
|---|---|---|
| ifortuna.cz | Published2a06:98c1:3101::6812:29062a06:98c1:3105::ac40:92fa | Answers when we connect✓ answers on 443✓ answers on 443 |
| www.ifortuna.cz | Published2a06:98c1:3105::ac40:92fa2a06:98c1:3101::6812:2906 | Answers when we connect✓ answers on 443✓ answers on 443 |
Publishedifortuna-cz.mail.protection.outlook.commx.email-messaging.com | Answers when we connect✓ has IPv6✗ no IPv6 | |
| Nameservers | Publishedkipp.ns.cloudflare.comzara.ns.cloudflare.com | Answers when we connect✓ has IPv6✓ has IPv6 |
See where it lives on the IPv4 map →
Lineage
Our records: Jan 3, 2009 → Nov 13, 2026Oldest registry snapshot we hold: 2025 · 0 renewals on record. These dates are when our records begin, not when the domain was registered.
DNS provider
- ignum.com + ignum.czJan 2009 – May 2012
- regzone.cz + regzone.de + regzone.infoJun 2014 – Apr 2020
- CloudflareJul 2020 – Jun 2026
IPv6
- IPv6published, and answeringFirst measured Nov 2026
What changed
- IPv6 first measured: published, and answering on Nov 4, 2026ifortuna.cz has 2 IPv6 addresses. Grade B. Measured by aaaa.bot, 2026-11-04 21:02 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
- DNS moved to Cloudflare between Apr 6, 2020 and Jul 5, 2020ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info → kipp.ns.cloudflare.com, zara.ns.cloudflare.com. Old set last seen in WHOIS on 2020-04-06; new set first seen in WHOIS on 2020-07-05.
- DNS moved to regzone.cz + regzone.de + regzone.info between May 11, 2012 and Jun 19, 2014ns1.ignum.com, ns2.ignum.cz → ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info. Old set last seen in WHOIS on 2012-05-11; new set first seen in WHOIS on 2014-06-19.
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: 4 WHOIS/RDAP snapshots, 2025-09-06 to 2026-04-10 (ledger built 2026-09-27). Every renewal
DNS provider, WHOIS snapshots: 131 WHOIS/RDAP snapshots that listed nameservers, 2009-01-03 to 2026-06-26 (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.
Want to know when ifortuna.cz changes?
Monitor it free — 5 monitors, uptime checks every 5 minutes, email alerts when something breaks. No card required.
Explore related
Registered in 2005 — the same year as googleapis.com, youtube.com and amazonaws.com.