Verifying against the live site and live WHOIS/DNS…
Common questions
Is managementboek.nl 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 managementboek.nl?
Nobody has completed AboutUs's owner verification for managementboek.nl. That's true of most sites here — it isn't itself a warning sign.
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 27 years ago · on AboutUs since 2006 · one registrar since Nov 19, 2025 · 1 ownership change since 2009 · last checked Oct 19, 2026.
Registration
RegisteredMay 27, 1999managementboek.nl was registered on May 27, 1999.Source: RDAP, fetched Aug 21, 2026
AboutUs record
AboutUs wiki pageJun 21, 2006An AboutUs wiki page described managementboek.nl from Jun 21, 2006 to Jun 21, 2006 (1 edit).Source: AboutUs wiki archive, 2006–2023Current AboutUs recordJul 4, 2026 – Aug 21, 2026 (latest)
Registrar
Intermax Group B.V.Intermax Group B.V.Nov 19, 2025 – Oct 21, 2026 (latest)Registrar Intermax Group B.V. in the registration data recorded, first on Nov 19, 2025 and most recently on Oct 21, 2026.Source: RDAP, fetched Aug 21, 2026
Ownership
Ownership recordsMay 17, 2009 – Jun 4, 2026Registration records for managementboek.nl are held from May 17, 2009 to Jun 4, 2026 (4 records). 1 change of registrant name or organization is marked. Privacy-service and redaction changes are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Zone file
Nameservers: intermax.eu, intermax.nlNov 19, 2025 – Jun 4, 2026Registration records listed intermax.eu, intermax.nl nameservers (ns1.intermax.nl, ns2.intermax.nl, ns3.intermax.eu) for managementboek.nl from Nov 19, 2025 to Jun 4, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Certificate
Let's EncryptApr 19, 2026 – Oct 26, 2026Let's Encrypt issued 6 certificates for managementboek.nl from Apr 19, 2026, the latest valid until Jan 13, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
200020102020Jan ’26Oct ’26← last 12 months, drawn wider
Every dated fact on this lifeline (9)
May 27, 1999Registration: managementboek.nl was registered on May 27, 1999.Source: RDAP, fetched Aug 21, 2026
Jun 21, 2006AboutUs record: An AboutUs wiki page described managementboek.nl from Jun 21, 2006 to Jun 21, 2006 (1 edit).Source: AboutUs wiki archive, 2006–2023
May 17, 2009 – Jun 4, 2026Ownership: Registration records for managementboek.nl are held from May 17, 2009 to Jun 4, 2026 (4 records). 1 change of registrant name or organization is marked. Privacy-service and redaction changes are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Nov 19, 2025 – Oct 21, 2026Registrar: Registrar Intermax Group B.V. in the registration data recorded, first on Nov 19, 2025 and most recently on Oct 21, 2026.Source: RDAP, fetched Aug 21, 2026
Nov 19, 2025Ownership: The registrant name or organization in the registration record changed; first recorded Nov 19, 2025. Who it changed to is in the full report.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Nov 19, 2025 – Jun 4, 2026Registration records listed intermax.eu, intermax.nl nameservers (ns1.intermax.nl, ns2.intermax.nl, ns3.intermax.eu) for managementboek.nl from Nov 19, 2025 to Jun 4, 2026.
Authority and Safety last refreshed Aug 21, 2026.
Source: AboutUs checks
Ownership change
Nov 19, 2025
The registrant name or organization in the registration record changed; first recorded Nov 19, 2025. Who it changed to is in the full report.
Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
1 ownership change, 2009–2026
Sectigo Limited
May 5, 2026 – Oct 26, 2026 (latest)
Sectigo Limited issued 2 certificates for managementboek.nl from May 5, 2026, the latest valid until Nov 19, 2026. Seen in use on Oct 19, 2026.
Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 19, 2026
Zone file:
Source: From registration records (WHOIS / RDAP archive, who.is)
Apr 19, 2026 – Oct 26, 2026Certificate: Let's Encrypt issued 6 certificates for managementboek.nl from Apr 19, 2026, the latest valid until Jan 13, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
May 5, 2026 – Oct 26, 2026Certificate: Sectigo Limited issued 2 certificates for managementboek.nl from May 5, 2026, the latest valid until Nov 19, 2026. Seen in use on Oct 19, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 19, 2026
Jul 4, 2026 – Aug 21, 2026AboutUs record: Authority and Safety last refreshed Aug 21, 2026.Source: AboutUs checks
All 4 safety checks passed (Oct 26, 2026).
Automated safety checks
DNS (passed)
HTTPS (passed)
Page metadata (passed)
Security headers (passed)
Current facts
Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.
latest result
Domain registered May 27, 1999 — 27 years old.
latest result
Registrar on record: Intermax Group B.V. — unchanged since AboutUs began tracking (Aug 27, 2026).
latest result
HTTPS request succeeded for www.managementboek.nl.
checked Oct 3, 2026
The live front page reads as an online shop that sells products, mainly for businesses and professionals.
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 #73,316)+7
Verified continuity: 27.4 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+11
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 65 days ago); 3/3 transport and email checks available (oldest recorded about 65 days ago). This is evidence coverage, not a probability that a website is safe.
Site history
Dated record — historical facts always carry their date.