techbooksforfree.com

TechBooksForFree.com

Technology ebooks and print books for free downloads

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Authority

52/100

Safety

90/100

Registered

Aug 7, 2004

22 years old · Dynadot Inc

3 of 5 safety checks passed (Sep 6, 2026).

AboutUs has not vetted this site. 2 of 5 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.

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Domain registered Aug 7, 2004 — 22 years old.

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Registrar today: Dynadot Inc — unchanged since AboutUs began tracking (Sep 6, 2026).

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Live site responds over HTTPS.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 52/100 — ahead of 52% of scored sitesClear

Why this authority score

Prominence (Open PageRank 3.0/10)+6
Verified continuity: 21.9 years (RDAP registration)+10
Security & email hygiene+3
Calibration adjustment (published map)+9

Every point maps to a sentence. These lines sum to the model score of 28/99, which is what places this site at 52/100 against every other scored site.

Safety evidence

No MX and no DMARC (mild)

Site history

Dated record — historical facts always carry their date.

2004
Domain registered (Aug 7, 2004).
2026
Checked today — 3 of 5 safety checks passed (Sep 6, 2026).

✓ domain continuity 22 years registered✓ live verified Sep 6, 2026

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