danbricklin.com

DanBrickLin.com - Blog of personal views on computer industry & PC history

Dan Bricklin -- The personal web site of the co-creator of VisiCalc

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Authority

57/100

Safety

82/100

Registered

Sep 23, 1999

26 years old · Network Solutions, LLC

1 of 2 safety checks passed (Sep 9, 2026).

AboutUs has not vetted this site. 1 of 2 automated safety check 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 Sep 23, 1999 — 26 years old.

checked now

Registrar today: Network Solutions, LLC — unchanged since AboutUs began tracking (Aug 21, 2026).

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 57/100 — ahead of 57% of scored sitesSome caution flags

Why this authority score

Prominence (Open PageRank 4.4/10)+8
Verified continuity: 26.9 years (RDAP registration)+11
Security & email hygiene+1
Calibration adjustment (published map)+10

Every point maps to a sentence. These lines sum to the model score of 30/99, which is what places this site at 57/100 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.

1999
Domain registered (Sep 23, 1999).
2026
Checked today — 1 of 2 safety checks passed (Sep 9, 2026).

✓ domain continuity 26 years registered✓ live verified Sep 9, 2026

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