mathpad.com

MathPad.com

Online mathematical tools including curve plotting and fitting, with applications in thermodynamics and chemistry.

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Authority

44/100

Safety

82/100

Registered

Mar 24, 2000

26 years old · HANGANG Systems, Inc. dba Doregi.com

0 of 2 safety checks passed (Sep 7, 2026).

AboutUs has not vetted this site. 2 of 2 automated safety checks did not pass. 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

What AboutUs observed on the live site and in WHOIS/DNS today. These are measurements, not an endorsement of the site.

checked now

Domain registered Mar 24, 2000 — 26 years old.

checked now

Registrar today: HANGANG Systems, Inc. dba Doregi.com — unchanged since AboutUs began tracking (Sep 7, 2026).

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 44/100 — ahead of 44% of scored sitesSome caution flags

Why this authority score

Prominence (Open PageRank 2.6/10)+6
Verified continuity: 26.3 years (RDAP registration)+11
Security & email hygiene+1
Calibration adjustment (published map)+6

Every point maps to a sentence. These lines sum to the model score of 24/99, which is what places this site at 44/100 against every other scored site.

Safety evidence

No valid HTTPS today
No MX and no DMARC (mild)

Site history

Dated record — historical facts always carry their date.

2000
Domain registered (Mar 24, 2000).
2026
Checked today — 0 of 2 safety checks passed (Sep 7, 2026).

✓ domain continuity 26 years registered✓ live verified Sep 7, 2026

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