Verifying against the live site and live WHOIS/DNS…
Common questions
Is easycalculation.com legit or a scam?
easycalculation.com was registered Dec 2, 2005 (20 years old), per public registration records. 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 easycalculation.com?
Nobody has completed AboutUs's owner verification for easycalculation.com. That's true of most sites here — it isn't itself a warning sign.
When was easycalculation.com registered?
easycalculation.com's registration dates to Dec 2, 2005 (20 years old), per public registration records. PDR Ltd. d/b/a PublicDomainRegistry.com is the registrar on record today.
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 20 years ago · on AboutUs since 2006 · one registrar since Feb 17, 2014 · 1 registrant change since 2008 · last checked Nov 14, 2026.
Registration
RegisteredDec 2, 2005easycalculation.com was registered on Dec 2, 2005.Source: RDAP, fetched Nov 10, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageJun 20, 2006 – Nov 5, 2013An AboutUs wiki page described easycalculation.com from Jun 20, 2006 to Nov 5, 2013 (4 edits).Source: AboutUs wiki archive, 2006–2023
Registrar
PDR Ltd. d/b/a PublicDomainRegistry.comPDR Ltd. d/b/a PublicDomainRegistry.comFeb 17, 2014 – Nov 15, 2026 (latest)Registrar PDR Ltd. d/b/a PublicDomainRegistry.com (IANA 303) in the registration data recorded, first on Feb 17, 2014 and most recently on Nov 15, 2026.Source: RDAP, fetched Nov 10, 2026
Registrant
Registrant recordsMar 30, 2008 – Jun 12, 2026Registration records for easycalculation.com are held from Mar 30, 2008 to Jun 12, 2026 (186 records). 1 change of registrant name or organization is 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
Nameservers: dnshorizon.comMar 30, 2008 – Jan 31, 2011Registration records listed dnshorizon.com nameservers (ns1.dnshorizon.com, ns2.dnshorizon.com) for easycalculation.com from Mar 30, 2008 to Jan 31, 2011.Source: From registration records (WHOIS / RDAP archive, who.is)
Certificate
Sectigo LimitedMar 3, 2026 – Nov 15, 2026 (latest)Sectigo Limited issued 1 certificate for easycalculation.com from Mar 3, 2026, the latest valid until Feb 2, 2027. Seen in use on Nov 7, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Nov 7, 2026
2010201520202025Apr ’26← last 12 months, drawn wider
Every dated fact on this lifeline (20)
Dec 2, 2005Registration: easycalculation.com was registered on Dec 2, 2005.Source: RDAP, fetched Nov 10, 2026
Jun 20, 2006 – Nov 5, 2013AboutUs record: An AboutUs wiki page described easycalculation.com from Jun 20, 2006 to Nov 5, 2013 (4 edits).Source: AboutUs wiki archive, 2006–2023
Jul 1, 2006AboutUs record: “Features calcutors for arithmetic functions, scientific computations, binary conversions, areas, finanical interest, prime numbers, recurring fractions, factoring, matrices, HEX color converter, date and day calculation…”Source: AboutUs wiki archive, 2006
Mar 30, 2008 – Jun 12, 2026Registrant: Registration records for easycalculation.com are held from Mar 30, 2008 to Jun 12, 2026 (186 records). 1 change of registrant name or organization is 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
Mar 30, 2008 – Jan 31, 2011Zone file: Registration records listed dnshorizon.com nameservers (ns1.dnshorizon.com, ns2.dnshorizon.com) for easycalculation.com from Mar 30, 2008 to Jan 31, 2011.Source: From registration records (WHOIS / RDAP archive, who.is)
Automated safety checks
DNS (passed)
HTTPS (passed)
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 Dec 2, 2005 — 20 years old.
latest result
Registrar on record: PDR Ltd. d/b/a PublicDomainRegistry.com — unchanged since AboutUs began tracking (Aug 21, 2026).
latest result
HTTPS request succeeded for www.easycalculation.com.
checked Sep 30, 2026
The live front page reads as an education or reference site that publishes free content supported by ads, mainly for students and teachers.
Authority 55/100— ahead of 55% of the August 2026 scored sampleClear
Why this authority score
55 is a percentile: higher than 55% of sites we score.
How it's calculated
Prominence (Tranco rank #174,056)+5
Verified continuity: 21.0 years (RDAP registration)+10
Security & email hygiene+4
Calibration adjustment (published map)+10
Model score: 29/99 — what these reason lines add up to.
Published Authority (percentile): 55/100 — this site's rank against the August 2026 scored sample. Public Authority is capped at 99.
Safety evidence
Retained threat-feed result (recorded about 4 days ago); name-similarity check available (recorded about 4 days ago); 3/3 transport and email checks available (oldest recorded about 4 days ago). This is evidence coverage, not a probability that a website is safe.
What easycalculation.com 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
Features calcutors for arithmetic functions, scientific computations, binary conversions, areas, finanical interest, prime numbers, recurring fractions, factoring, matrices, HEX color converter, date and day calculations, as well as for measuring bandwidth.
Site history
Dated record — historical facts always carry their date.
✓ domain continuity 20 years registered✓ live verified Nov 15, 2026
Said about itself in 2006
Jul 1, 2006
“Features calcutors for arithmetic functions, scientific computations, binary conversions, areas, finanical interest, prime numbers, recurring fractions, factoring, matrices, HEX color converter, date and day calculation…”
Source: AboutUs wiki archive, 2006
Current AboutUs recordJun 26, 2026 – Nov 10, 2026 (latest)Authority and Safety last refreshed Nov 10, 2026.Source: AboutUs checks
Registrant changeFeb 2, 2017The registrant name or organization in the registration record changed; first recorded Feb 2, 2017. 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
1 registrant change, 2008–2026
Nameservers: dnsforcloud.com
Apr 8, 2011 – Oct 17, 2013
Registration records listed dnsforcloud.com nameservers (ns1.dnsforcloud.com, ns2.dnsforcloud.com) for easycalculation.com from Apr 8, 2011 to Oct 17, 2013. Days a zone file covers are shown from the zone file instead.
Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to dnsforcloud.comApr 8, 2011easycalculation.com's nameservers moved from dnshorizon.com to dnsforcloud.com at some point between Jan 31, 2011 and Apr 8, 2011. Last seen at dnshorizon.com: Jan 31, 2011 (registration record). First seen at dnsforcloud.com: Apr 8, 2011 (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)
Nameservers: dnsforcloud.comOct 18, 2013 – Feb 1, 2014dnsforcloud.com (ns1.dnsforcloud.com, ns2.dnsforcloud.com) were the nameservers listed for easycalculation.com at every ICANN zone-file snapshot AboutUs holds from Oct 18, 2013 to Feb 1, 2014 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
Nameservers: dnsforcloud.comFeb 2, 2014 – Feb 23, 2014Registration records listed dnsforcloud.com nameservers (ns1.dnsforcloud.com, ns2.dnsforcloud.com) for easycalculation.com from Feb 2, 2014 to Feb 23, 2014. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Nameservers: hioxdns.comNameservers: hioxdns.comMar 1, 2014 – Apr 3, 2018hioxdns.com (ns1.hioxdns.com, ns2.hioxdns.com) were the nameservers listed for easycalculation.com at every ICANN zone-file snapshot AboutUs holds from Mar 1, 2014 to Apr 3, 2018 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
DNS moved to hioxdns.comMar 1, 2014easycalculation.com's nameservers moved from dnsforcloud.com to hioxdns.com between Feb 23, 2014 and Mar 1, 2014. Last seen at dnsforcloud.com: Feb 23, 2014 (registration record). First seen at hioxdns.com: Mar 1, 2014 (ICANN zone-file snapshot).Source: Derived from the nameserver records on this lifeline (registration record → ICANN zone-file snapshot)
Nameservers: hioxdns.comNameservers: hioxdns.comApr 4, 2018 – May 27, 2024Registration records listed hioxdns.com nameservers (ns1.hioxdns.com, ns2.hioxdns.com) for easycalculation.com from Apr 4, 2018 to May 27, 2024. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Nameservers: dnsforcloud.comNameservers: dnsforcloud.comNov 20, 2024 – Jun 12, 2026Registration records listed dnsforcloud.com nameservers (ns1.dnsforcloud.com, ns2.dnsforcloud.com) for easycalculation.com from Nov 20, 2024 to Jun 12, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to dnsforcloud.comNov 20, 2024easycalculation.com's nameservers moved from hioxdns.com to dnsforcloud.com at some point between May 27, 2024 and Nov 20, 2024. Last seen at hioxdns.com: May 27, 2024 (registration record). First seen at dnsforcloud.com: Nov 20, 2024 (registration record). AboutUs holds no nameserver records for the 6 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)
Seen in the .com zone fileSep 8, 2026 – Nov 14, 2026 (latest)First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Nov 14, 2026. Nameservers on Nov 14, 2026: ns1.dnsforcloud.com, ns2.dnsforcloud.com.Source: ICANN CZDS zone file, snapshot Nov 14, 2026
Let's Encrypt
Mar 22, 2026 – Nov 15, 2026
Let's Encrypt issued 8 certificates for easycalculation.com from Mar 22, 2026, the latest valid until Dec 20, 2026.
Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Apr 8, 2011 – Oct 17, 2013
Zone file: Registration records listed dnsforcloud.com nameservers (ns1.dnsforcloud.com, ns2.dnsforcloud.com) for easycalculation.com from Apr 8, 2011 to Oct 17, 2013. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Apr 8, 2011Zone file: easycalculation.com's nameservers moved from dnshorizon.com to dnsforcloud.com at some point between Jan 31, 2011 and Apr 8, 2011. Last seen at dnshorizon.com: Jan 31, 2011 (registration record). First seen at dnsforcloud.com: Apr 8, 2011 (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)
Oct 18, 2013 – Feb 1, 2014Zone file: dnsforcloud.com (ns1.dnsforcloud.com, ns2.dnsforcloud.com) were the nameservers listed for easycalculation.com at every ICANN zone-file snapshot AboutUs holds from Oct 18, 2013 to Feb 1, 2014 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
Feb 2, 2014 – Feb 23, 2014Zone file: Registration records listed dnsforcloud.com nameservers (ns1.dnsforcloud.com, ns2.dnsforcloud.com) for easycalculation.com from Feb 2, 2014 to Feb 23, 2014. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Feb 17, 2014 – Nov 15, 2026Registrar: Registrar PDR Ltd. d/b/a PublicDomainRegistry.com (IANA 303) in the registration data recorded, first on Feb 17, 2014 and most recently on Nov 15, 2026.Source: RDAP, fetched Nov 10, 2026
Mar 1, 2014 – Apr 3, 2018Zone file: hioxdns.com (ns1.hioxdns.com, ns2.hioxdns.com) were the nameservers listed for easycalculation.com at every ICANN zone-file snapshot AboutUs holds from Mar 1, 2014 to Apr 3, 2018 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
Mar 1, 2014Zone file: easycalculation.com's nameservers moved from dnsforcloud.com to hioxdns.com between Feb 23, 2014 and Mar 1, 2014. Last seen at dnsforcloud.com: Feb 23, 2014 (registration record). First seen at hioxdns.com: Mar 1, 2014 (ICANN zone-file snapshot).Source: Derived from the nameserver records on this lifeline (registration record → ICANN zone-file snapshot)
Feb 2, 2017Registrant: The registrant name or organization in the registration record changed; first recorded Feb 2, 2017. 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
Apr 4, 2018 – May 27, 2024Zone file: Registration records listed hioxdns.com nameservers (ns1.hioxdns.com, ns2.hioxdns.com) for easycalculation.com from Apr 4, 2018 to May 27, 2024. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Nov 20, 2024 – Jun 12, 2026Zone file: Registration records listed dnsforcloud.com nameservers (ns1.dnsforcloud.com, ns2.dnsforcloud.com) for easycalculation.com from Nov 20, 2024 to Jun 12, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Nov 20, 2024Zone file: easycalculation.com's nameservers moved from hioxdns.com to dnsforcloud.com at some point between May 27, 2024 and Nov 20, 2024. Last seen at hioxdns.com: May 27, 2024 (registration record). First seen at dnsforcloud.com: Nov 20, 2024 (registration record). AboutUs holds no nameserver records for the 6 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)
Mar 3, 2026 – Nov 15, 2026Certificate: Sectigo Limited issued 1 certificate for easycalculation.com from Mar 3, 2026, the latest valid until Feb 2, 2027. Seen in use on Nov 7, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Nov 7, 2026
Mar 22, 2026 – Nov 15, 2026Certificate: Let's Encrypt issued 8 certificates for easycalculation.com from Mar 22, 2026, the latest valid until Dec 20, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jun 26, 2026 – Nov 10, 2026AboutUs record: Authority and Safety last refreshed Nov 10, 2026.Source: AboutUs checks
Sep 8, 2026 – Nov 14, 2026Zone file: First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Nov 14, 2026. Nameservers on Nov 14, 2026: ns1.dnsforcloud.com, ns2.dnsforcloud.com.Source: ICANN CZDS zone file, snapshot Nov 14, 2026