IPv6
Measured 2026-11-04 23:50 UTC · aaaa.botWebsite, mail and DNS all work over IPv6.
Both published IPv6 addresses accepted a connection when we tried them.
- ✓ tipsport.cz answers (2 of 2 addresses)
- ✓ www.tipsport.cz answers (2 of 2)
- ✓ Mail: 1 of 1 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 403.
| Name | Published address (AAAA) | Answers when we connect |
|---|---|---|
| tipsport.cz | Published2a06:98c1:3103::ac40:91c52a06:98c1:3102::6812:2a3b | Answers when we connect✓ answers on 443✓ answers on 443 |
| www.tipsport.cz | Published2a06:98c1:3102::6812:2a3b2a06:98c1:3103::ac40:91c5 | Answers when we connect✓ answers on 443✓ answers on 443 |
Publishedtipsport-cz.mail.protection.outlook.com | Answers when we connect✓ has IPv6 | |
| Nameservers | Publishedcharles.ns.cloudflare.comroxy.ns.cloudflare.com | Answers when we connect✓ has IPv6✓ has IPv6 |
See where it lives on the IPv4 map →
Lineage
Our records: Jan 8, 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
- iol.cz + tel.czJan 2009 – Mar 2012
- web4u.czFeb 2013
- tipsport.czJan 2014 – Oct 2022
- f5clouddns.comNov – Dec 2022
- CloudflareFeb 2023 – Jun 2026
IPv6
- IPv6published, and answeringFirst measured Nov 2026
What changed
- IPv6 first measured: published, and answering on Nov 4, 2026tipsport.cz has 2 IPv6 addresses. Grade A. Measured by aaaa.bot, 2026-11-04 23:50 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
- Renewed +1 year between Aug 16, 2025 and Sep 19, 2025Expiry moved from 2025-10-20 to 2026-10-20.
- DNS moved to Cloudflare between Dec 28, 2022 and Feb 7, 2023ns1.f5clouddns.com, ns2.f5clouddns.com → charles.ns.cloudflare.com, roxy.ns.cloudflare.com. Old set last seen in WHOIS on 2022-12-28; new set first seen in WHOIS on 2023-02-07.
- DNS moved to f5clouddns.com between Oct 7, 2022 and Nov 14, 2022ns1.tipsport.cz, ns2.tipsport.cz, ns3.tipsport.cz, ns4.tipsport.cz → ns1.f5clouddns.com, ns2.f5clouddns.com. Old set last seen in WHOIS on 2022-10-07; new set first seen in WHOIS on 2022-11-14.
- New nameservers at tipsport.cz between Jul 22, 2020 and Nov 17, 2020ns.tipsport.cz, ns2.tipsport.cz, ns3.tipsport.cz, ns4.tipsport.cz, ns5.tipsport.cz, ns6.tipsport.cz, ns7.tipsport.cz, ns8.tipsport.cz → ns1.tipsport.cz, ns2.tipsport.cz, ns3.tipsport.cz, ns4.tipsport.cz, ns8.tipsport.cz. Old set last seen in WHOIS on 2020-07-22; new set first seen in WHOIS on 2020-11-17.
- DNS moved to tipsport.cz between Feb 25, 2013 and Jan 26, 2014ns.web4u.cz, ns2.web4u.cz → ns.tipsport.cz, ns2.tipsport.cz. Old set last seen in WHOIS on 2013-02-25; new set first seen in WHOIS on 2014-01-26.
- DNS moved to web4u.cz between Mar 29, 2012 and Feb 25, 2013dns.iol.cz, ns2.tel.cz → ns.web4u.cz, ns2.web4u.cz. Old set last seen in WHOIS on 2012-03-29; new set first seen in WHOIS on 2013-02-25.
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: 21 WHOIS/RDAP snapshots, 2025-05-13 to 2026-05-14 (ledger built 2026-09-27). Every renewal
DNS provider, WHOIS snapshots: 105 WHOIS/RDAP snapshots that listed nameservers, 2009-01-08 to 2026-06-20 (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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Explore related
Registered in 1997 — the same year as google.com, facebook.com and mail.ru.