Verifying against the live site and live WHOIS/DNS…
Common questions
Is bike-forum.cz legit or a scam?
AboutUs doesn't label sites "legit" or "a scam": this page lists the dated registration, DNS, HTTPS, mail-authentication and safety checks we could verify, each with its source, so you can decide for yourself.
Who owns bike-forum.cz?
Nobody has completed AboutUs's owner verification for bike-forum.cz. That's true of most sites here — it isn't itself a warning sign.
Correct a description, link or other detail. Submissions are reviewed before publication.
Lifeline · bike-forum.cz over time
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 22 years ago · on AboutUs since 2006 · 1 registrar change since Sep 28, 2009 · 2 ownership changes since 2009 · last checked Oct 18, 2026.
Registration
RegisteredNov 29, 2003bike-forum.cz was registered on Nov 29, 2003.Source: RDAP, fetched Sep 26, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageJun 19, 2006 – Apr 18, 2014An AboutUs wiki page described bike-forum.cz from Jun 19, 2006 to Apr 18, 2014 (4 edits).Source: AboutUs wiki archive, 2006–2023
Registrar
REG-GENREGREG-GENREGSep 28, 2009 – Jul 14, 2014Registrar REG-GENREG in the WHOIS and RDAP records held for bike-forum.cz, from Sep 28, 2009 to Jul 14, 2014.Source: WHOIS / RDAP archive (who.is)REG-GRANSY
Ownership
Ownership recordsSep 28, 2009 – Feb 1, 2026Registration records for bike-forum.cz are held from Sep 28, 2009 to Feb 1, 2026 (31 records). 2 changes of registrant name or organization are marked. Privacy-service and redaction changes are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Zone file
No nameserver records held, Jul 2014 – Feb 2016No nameserver records held, Jun 2018 – Aug 2019No nameserver records held, Feb 2026 – Oct 2026Nameservers: rozhled.cz, rozhled.netNameservers: rozhled.cz, rozhled.netSep 28, 2009 – Jul 14, 2014
Certificate
Let's EncryptMay 7, 2026 – Oct 29, 2026 (latest)Let's Encrypt issued 153 certificates for bike-forum.cz from May 7, 2026, the latest valid until Jan 25, 2027. Seen in use on Oct 18, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 18, 2026
20052010201520202025Apr ’26← last 12 months, drawn wider
Every dated fact on this lifeline (15)
Nov 29, 2003Registration: bike-forum.cz was registered on Nov 29, 2003.Source: RDAP, fetched Sep 26, 2026
Jun 19, 2006 – Apr 18, 2014AboutUs record: An AboutUs wiki page described bike-forum.cz from Jun 19, 2006 to Apr 18, 2014 (4 edits).Source: AboutUs wiki archive, 2006–2023
Jul 1, 2006AboutUs record: “Bike-Forum.Cz - Diskusni server o cyklistice, naleznete zde rady navody napady, bazar, MTB, cyklistika, fotogalerii a dalsi...”Source: AboutUs wiki archive, 2006
Sep 28, 2009 – Jul 14, 2014Registrar: Registrar REG-GENREG in the WHOIS and RDAP records held for bike-forum.cz, from Sep 28, 2009 to Jul 14, 2014.Source: WHOIS / RDAP archive (who.is)
Sep 28, 2009 – Feb 1, 2026Ownership: Registration records for bike-forum.cz are held from Sep 28, 2009 to Feb 1, 2026 (31 records). 2 changes of registrant name or organization are marked. Privacy-service and redaction changes are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Sep 28, 2009 – Jul 14, 2014Zone file: Registration records listed rozhled.cz, rozhled.net nameservers (ns.rozhled.cz, ns.rozhled.net) for bike-forum.cz from Sep 28, 2009 to Jul 14, 2014.
Said about itself in 2006
Jul 1, 2006
“Bike-Forum.Cz - Diskusni server o cyklistice, naleznete zde rady navody napady, bazar, MTB, cyklistika, fotogalerii a dalsi...”
Source: AboutUs wiki archive, 2006
Current AboutUs recordJul 18, 2026 – Sep 26, 2026 (latest)Authority and Safety last refreshed Sep 26, 2026.Source: AboutUs checks
REG-GRANSY
Mar 1, 2016 – Jan 28, 2026 (latest)
Registrar REG-GRANSY in the WHOIS and RDAP records held for bike-forum.cz, from Mar 1, 2016 to Jan 28, 2026.
Source: WHOIS / RDAP archive (who.is)
Ownership change
Mar 1, 2016
The registrant name or organization in the registration record changed; first recorded Mar 1, 2016. Who it changed to is in the full report.
Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Ownership changeJul 15, 2020The registrant name or organization in the registration record changed; first recorded Jul 15, 2020. Who it changed to is in the full report.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
2 ownership changes, 2009–2026
Registration records listed rozhled.cz, rozhled.net nameservers (ns.rozhled.cz, ns.rozhled.net) for bike-forum.cz from Sep 28, 2009 to Jul 14, 2014.
Source: From registration records (WHOIS / RDAP archive, who.is)
Nameservers: fortion.cz, fortion.netMar 1, 2016 – Jun 16, 2018Registration records listed fortion.cz, fortion.net nameservers (ns.fortion.cz, ns.fortion.net) for bike-forum.cz from Mar 1, 2016 to Jun 16, 2018.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to fortion.cz, fortion.netMar 1, 2016bike-forum.cz's nameservers moved from rozhled.cz, rozhled.net to fortion.cz, fortion.net at some point between Jul 14, 2014 and Mar 1, 2016. Last seen at rozhled.cz, rozhled.net: Jul 14, 2014 (registration record). First seen at fortion.cz, fortion.net: Mar 1, 2016 (registration record). AboutUs holds no nameserver records for the 20 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: fortion.cz, fortion.eu, fortion.netNameservers: fortion.cz, fortion.eu, fortion.netAug 28, 2019 – Feb 1, 2026Registration records listed fortion.cz, fortion.eu, fortion.net nameservers (ns.fortion.cz, ns.fortion.eu, ns.fortion.net) for bike-forum.cz from Aug 28, 2019 to Feb 1, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to fortion.cz, fortion.eu, fortion.netAug 28, 2019bike-forum.cz's nameservers moved from fortion.cz, fortion.net to fortion.cz, fortion.eu, fortion.net at some point between Jun 16, 2018 and Aug 28, 2019. Last seen at fortion.cz, fortion.net: Jun 16, 2018 (registration record). First seen at fortion.cz, fortion.eu, fortion.net: Aug 28, 2019 (registration record). AboutUs holds no nameserver records for the 14 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)
Source: From registration records (WHOIS / RDAP archive, who.is)
Mar 1, 2016 – Jan 28, 2026Registrar: Registrar REG-GRANSY in the WHOIS and RDAP records held for bike-forum.cz, from Mar 1, 2016 to Jan 28, 2026.Source: WHOIS / RDAP archive (who.is)
Mar 1, 2016Ownership: The registrant name or organization in the registration record changed; first recorded Mar 1, 2016. Who it changed to is in the full report.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Mar 1, 2016 – Jun 16, 2018Zone file: Registration records listed fortion.cz, fortion.net nameservers (ns.fortion.cz, ns.fortion.net) for bike-forum.cz from Mar 1, 2016 to Jun 16, 2018.Source: From registration records (WHOIS / RDAP archive, who.is)
Mar 1, 2016Zone file: bike-forum.cz's nameservers moved from rozhled.cz, rozhled.net to fortion.cz, fortion.net at some point between Jul 14, 2014 and Mar 1, 2016. Last seen at rozhled.cz, rozhled.net: Jul 14, 2014 (registration record). First seen at fortion.cz, fortion.net: Mar 1, 2016 (registration record). AboutUs holds no nameserver records for the 20 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)
Aug 28, 2019 – Feb 1, 2026Zone file: Registration records listed fortion.cz, fortion.eu, fortion.net nameservers (ns.fortion.cz, ns.fortion.eu, ns.fortion.net) for bike-forum.cz from Aug 28, 2019 to Feb 1, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Aug 28, 2019Zone file: bike-forum.cz's nameservers moved from fortion.cz, fortion.net to fortion.cz, fortion.eu, fortion.net at some point between Jun 16, 2018 and Aug 28, 2019. Last seen at fortion.cz, fortion.net: Jun 16, 2018 (registration record). First seen at fortion.cz, fortion.eu, fortion.net: Aug 28, 2019 (registration record). AboutUs holds no nameserver records for the 14 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 15, 2020Ownership: The registrant name or organization in the registration record changed; first recorded Jul 15, 2020. Who it changed to is in the full report.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
May 7, 2026 – Oct 29, 2026Certificate: Let's Encrypt issued 153 certificates for bike-forum.cz from May 7, 2026, the latest valid until Jan 25, 2027. Seen in use on Oct 18, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 18, 2026
Jul 18, 2026 – Sep 26, 2026AboutUs record: Authority and Safety last refreshed Sep 26, 2026.Source: AboutUs checks
3 of 4 safety checks passed (Oct 29, 2026).
Registered 2003 · site is live · HTTPS valid
Bike-Forum.cz is a Czech-language discussion forum dedicated to cycling, mountain biking, and related equipment. The site hosts user discussions, guides, tips, a marketplace (bazaar), photo gallery, and reviews covering bikes, components, brakes, frames, and tires.
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 Nov 29, 2003 — 22 years old.
latest result
Registrar on record: Gransy s.r.o. — unchanged since AboutUs began tracking (Oct 29, 2026).
latest result
HTTPS request succeeded for www.bike-forum.cz.
checked Oct 3, 2026
The live front page reads as a community or social site that runs a marketplace, mainly for specialists in its field.
Authority 62/100— ahead of 62% of the August 2026 scored sampleClear
Why this authority score
62 is a percentile: higher than 62% of sites we score.
How it's calculated
Prominence (Tranco rank #94,468)+7
Verified continuity: 22.9 years (RDAP registration)+10
Security & email hygiene+3
Calibration adjustment (published map)+12
Model score: 32/99 — what these reason lines add up to.
Published Authority (percentile): 62/100 — this site's rank against the August 2026 scored sample. Public Authority is capped at 99.
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 32 days ago); 3/3 transport and email checks available (oldest recorded about 32 days ago). This is evidence coverage, not a probability that a website is safe.
What bike-forum.cz said about itself, 2006
Quoted from the site's AboutUs wiki page in each year it changed (1 version). These are the page's own words at the time, not AboutUs's assessment. New words · dropped words
2006
Bike-Forum.Cz - Diskusni server o cyklistice, naleznete zde rady navody napady, bazar, MTB, cyklistika, fotogalerii a dalsi...
Site history
Dated record — historical facts always carry their date.
2003
Domain registered (Nov 29, 2003).
2006
First tracked by AboutUs (Jun 19, 2006); profile edited 4 times through 2014.