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2 of 4 safety checks passed (Nov 15, 2026).
Lifeline · chance.cz over time
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 29 years ago · on AboutUs since 2013 · 1 registrar change since Jan 6, 2009 · 2 registrant changes since 2009 · last checked Sep 24, 2026.
Registration
RegisteredAug 22, 1997chance.cz was registered on Aug 22, 1997.Source: RDAP, fetched Sep 24, 2026
AboutUs record
AboutUs wiki pageNov 7, 2013An AboutUs wiki page described chance.cz from Nov 7, 2013 to Nov 7, 2013 (1 edit).Source: AboutUs wiki archive, 2006–2023Current AboutUs recordJun 25, 2026 – Sep 24, 2026 (latest)
Registrar
REG-ACTIVE24REG-ACTIVE24Jan 6, 2009 – Feb 25, 2015Registrar REG-ACTIVE24 in the WHOIS and RDAP records held for chance.cz, from Jan 6, 2009 to Feb 25, 2015.Source: WHOIS / RDAP archive (who.is)REG-WEB4U
Registrant
Registrant recordsJan 6, 2009 – Jun 10, 2026Registration records for chance.cz are held from Jan 6, 2009 to Jun 10, 2026 (59 records). 2 changes of registrant name or organization are marked. Privacy-service and redaction changes, renames of the same organization and new contacts at it are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Zone file
No nameserver records held, Feb 2009 – Jul 2010No nameserver records held, Mar 2012 – Nov 2014No nameserver records held, Feb 2015 – Dec 2015Nameservers: chance.cz, industries.czJan 6, 2009 – Feb 15, 2009Registration records listed chance.cz, industries.cz nameservers (mail.chance.cz, mercury.industries.cz) for chance.cz from Jan 6, 2009 to Feb 15, 2009.
Certificate
Sectigo LimitedSectigo LimitedNov 6, 2025 – Nov 15, 2026Sectigo Limited issued 2 certificates for chance.cz from Nov 6, 2025, the latest valid until Dec 19, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
200020102020Jan ’26Oct ’26← last 12 months, drawn wider
Every dated fact on this lifeline (20)
Aug 22, 1997Registration: chance.cz was registered on Aug 22, 1997.Source: RDAP, fetched Sep 24, 2026
Jan 6, 2009 – Feb 25, 2015Registrar: Registrar REG-ACTIVE24 in the WHOIS and RDAP records held for chance.cz, from Jan 6, 2009 to Feb 25, 2015.Source: WHOIS / RDAP archive (who.is)
Jan 6, 2009 – Jun 10, 2026Registrant: Registration records for chance.cz are held from Jan 6, 2009 to Jun 10, 2026 (59 records). 2 changes of registrant name or organization are marked. Privacy-service and redaction changes, renames of the same organization and new contacts at it are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Jan 6, 2009 – Feb 15, 2009Zone file: Registration records listed chance.cz, industries.cz nameservers (mail.chance.cz, mercury.industries.cz) for chance.cz from Jan 6, 2009 to Feb 15, 2009.Source: From registration records (WHOIS / RDAP archive, who.is)
Jul 5, 2010 – Mar 29, 2012Zone file: Registration records listed chance.cz, heaven-industries.com nameservers (joni.heaven-industries.com, mail.chance.cz) for chance.cz from Jul 5, 2010 to Mar 29, 2012.Source: From registration records (WHOIS / RDAP archive, who.is)
Authority and Safety last refreshed Sep 24, 2026.
Source: AboutUs checks
REG-WEB4U
Dec 30, 2015 – Jun 10, 2026 (latest)
Registrar REG-WEB4U in the WHOIS and RDAP records held for chance.cz, from Dec 30, 2015 to Jun 10, 2026.
Source: WHOIS / RDAP archive (who.is)
Registrant changeJan 18, 2012The registrant name or organization in the registration record changed; first recorded Jan 18, 2012. That can be a rename, a new contact or a sale; the record alone does not say which.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Registrant changeDec 30, 2015The registrant name or organization in the registration record changed; first recorded Dec 30, 2015. That can be a rename, a new contact or a sale; the record alone does not say which.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
2 registrant changes, 2009–2026
Source: From registration records (WHOIS / RDAP archive, who.is)
Nameservers: chance.cz, heaven-industries.comJul 5, 2010 – Mar 29, 2012Registration records listed chance.cz, heaven-industries.com nameservers (joni.heaven-industries.com, mail.chance.cz) for chance.cz from Jul 5, 2010 to Mar 29, 2012.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to chance.cz, heaven-industries.comJul 5, 2010chance.cz's nameservers moved from chance.cz, industries.cz to chance.cz, heaven-industries.com at some point between Feb 15, 2009 and Jul 5, 2010. Last seen at chance.cz, industries.cz: Feb 15, 2009 (registration record). First seen at chance.cz, heaven-industries.com: Jul 5, 2010 (registration record). AboutUs holds no nameserver records for the 17 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: chance.czNov 29, 2014 – Feb 25, 2015Registration records listed chance.cz nameservers (mail.chance.cz, ns2.chance.cz) for chance.cz from Nov 29, 2014 to Feb 25, 2015.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to chance.czNov 29, 2014chance.cz's nameservers moved from chance.cz, heaven-industries.com to chance.cz at some point between Mar 29, 2012 and Nov 29, 2014. Last seen at chance.cz, heaven-industries.com: Mar 29, 2012 (registration record). First seen at chance.cz: Nov 29, 2014 (registration record). AboutUs holds no nameserver records for the about 3 years in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: tipsport.czNameservers: tipsport.czDec 30, 2015 – Sep 14, 2022Registration records listed tipsport.cz nameservers (ns.tipsport.cz, ns2.tipsport.cz) for chance.cz from Dec 30, 2015 to Sep 14, 2022.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to tipsport.czDec 30, 2015chance.cz's nameservers moved from chance.cz to tipsport.cz at some point between Feb 25, 2015 and Dec 30, 2015. Last seen at chance.cz: Feb 25, 2015 (registration record). First seen at tipsport.cz: Dec 30, 2015 (registration record). AboutUs holds no nameserver records for the 10 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: f5clouddns.comDec 21, 2022 – Dec 29, 2022Registration records listed f5clouddns.com nameservers (ns1.f5clouddns.com, ns2.f5clouddns.com) for chance.cz from Dec 21, 2022 to Dec 29, 2022.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to f5clouddns.comDec 21, 2022chance.cz's nameservers moved from tipsport.cz to f5clouddns.com at some point between Sep 14, 2022 and Dec 21, 2022. Last seen at tipsport.cz: Sep 14, 2022 (registration record). First seen at f5clouddns.com: Dec 21, 2022 (registration record). AboutUs holds no nameserver records for the 3 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: CloudflareNameservers: CloudflareFeb 27, 2023 – Jun 10, 2026Registration records listed Cloudflare nameservers (charles.ns.cloudflare.com, roxy.ns.cloudflare.com) for chance.cz from Feb 27, 2023 to Jun 10, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to CloudflareFeb 27, 2023chance.cz's nameservers moved from f5clouddns.com to Cloudflare at some point between Dec 29, 2022 and Feb 27, 2023. Last seen at f5clouddns.com: Dec 29, 2022 (registration record). First seen at Cloudflare: Feb 27, 2023 (registration record). AboutUs holds no nameserver records for the 2 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Jul 5, 2010
Zone file: chance.cz's nameservers moved from chance.cz, industries.cz to chance.cz, heaven-industries.com at some point between Feb 15, 2009 and Jul 5, 2010. Last seen at chance.cz, industries.cz: Feb 15, 2009 (registration record). First seen at chance.cz, heaven-industries.com: Jul 5, 2010 (registration record). AboutUs holds no nameserver records for the 17 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Jan 18, 2012Registrant: The registrant name or organization in the registration record changed; first recorded Jan 18, 2012. That can be a rename, a new contact or a sale; the record alone does not say which.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Nov 7, 2013AboutUs record: An AboutUs wiki page described chance.cz from Nov 7, 2013 to Nov 7, 2013 (1 edit).Source: AboutUs wiki archive, 2006–2023
Nov 29, 2014 – Feb 25, 2015Zone file: Registration records listed chance.cz nameservers (mail.chance.cz, ns2.chance.cz) for chance.cz from Nov 29, 2014 to Feb 25, 2015.Source: From registration records (WHOIS / RDAP archive, who.is)
Nov 29, 2014Zone file: chance.cz's nameservers moved from chance.cz, heaven-industries.com to chance.cz at some point between Mar 29, 2012 and Nov 29, 2014. Last seen at chance.cz, heaven-industries.com: Mar 29, 2012 (registration record). First seen at chance.cz: Nov 29, 2014 (registration record). AboutUs holds no nameserver records for the about 3 years in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Dec 30, 2015 – Jun 10, 2026Registrar: Registrar REG-WEB4U in the WHOIS and RDAP records held for chance.cz, from Dec 30, 2015 to Jun 10, 2026.Source: WHOIS / RDAP archive (who.is)
Dec 30, 2015Registrant: The registrant name or organization in the registration record changed; first recorded Dec 30, 2015. That can be a rename, a new contact or a sale; the record alone does not say which.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Dec 30, 2015 – Sep 14, 2022Zone file: Registration records listed tipsport.cz nameservers (ns.tipsport.cz, ns2.tipsport.cz) for chance.cz from Dec 30, 2015 to Sep 14, 2022.Source: From registration records (WHOIS / RDAP archive, who.is)
Dec 30, 2015Zone file: chance.cz's nameservers moved from chance.cz to tipsport.cz at some point between Feb 25, 2015 and Dec 30, 2015. Last seen at chance.cz: Feb 25, 2015 (registration record). First seen at tipsport.cz: Dec 30, 2015 (registration record). AboutUs holds no nameserver records for the 10 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Dec 21, 2022 – Dec 29, 2022Zone file: Registration records listed f5clouddns.com nameservers (ns1.f5clouddns.com, ns2.f5clouddns.com) for chance.cz from Dec 21, 2022 to Dec 29, 2022.Source: From registration records (WHOIS / RDAP archive, who.is)
Dec 21, 2022Zone file: chance.cz's nameservers moved from tipsport.cz to f5clouddns.com at some point between Sep 14, 2022 and Dec 21, 2022. Last seen at tipsport.cz: Sep 14, 2022 (registration record). First seen at f5clouddns.com: Dec 21, 2022 (registration record). AboutUs holds no nameserver records for the 3 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Feb 27, 2023 – Jun 10, 2026Zone file: Registration records listed Cloudflare nameservers (charles.ns.cloudflare.com, roxy.ns.cloudflare.com) for chance.cz from Feb 27, 2023 to Jun 10, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Feb 27, 2023Zone file: chance.cz's nameservers moved from f5clouddns.com to Cloudflare at some point between Dec 29, 2022 and Feb 27, 2023. Last seen at f5clouddns.com: Dec 29, 2022 (registration record). First seen at Cloudflare: Feb 27, 2023 (registration record). AboutUs holds no nameserver records for the 2 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nov 6, 2025 – Nov 15, 2026Certificate: Sectigo Limited issued 2 certificates for chance.cz from Nov 6, 2025, the latest valid until Dec 19, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jun 25, 2026 – Sep 24, 2026AboutUs record: Authority and Safety last refreshed Sep 24, 2026.Source: AboutUs checks
Registered 1997 · site answered with HTTP 403
chance.cz has an AboutUs profile for public website intelligence, ownership context, trust signals, monitoring, and owner verification.
Make sure the site responds over HTTPS with a valid certificate.
Page metadata (passed)
Security headers (failed)
Add the HSTS, Content-Security-Policy, and X-Frame-Options response headers.
AboutUs has not vetted this site. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.
Current facts
Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.
latest result
Domain registered Aug 22, 1997 — 29 years old.
latest result
Registrar on record: Web4U s.r.o. — unchanged since AboutUs began tracking (Nov 15, 2026).
We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 52 days ago); 3/3 transport and email checks available (oldest recorded about 52 days ago). This is evidence coverage, not a probability that a website is safe.
No caution flags in the available scoring observations; this is not a complete safety assessment
Site history
Dated record — historical facts always carry their date.