tchin.org

Tchin.org provides resources & news about congenital heart disease.

Congenital Heart Information Network Description Thanks to this website

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Authority

65/100

Safety

90/100

Registered

Oct 28, 1996

29 years old · Squarespace Domains LLC

All 5 safety checks passed (Sep 5, 2026).

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 Oct 28, 1996 — 29 years old.

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Registrar today: Squarespace Domains LLC — unchanged since AboutUs began tracking (Sep 3, 2026).

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Live site responds over HTTPS.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 65/100 — ahead of 65% of scored sitesClear

Why this authority score

Prominence (Open PageRank 3.2/10)+6
Verified continuity: 29.9 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+13

Every point maps to a sentence. These lines sum to the model score of 33/99, which is what places this site at 65/100 against every other scored site.

Safety evidence

Missing DMARC (mild)

Site history

Dated record — historical facts always carry their date.

1996
Domain registered (Oct 28, 1996).
2026
Checked today — All 5 safety checks passed (Sep 5, 2026).

✓ domain continuity 29 years registered✓ live verified Sep 5, 2026

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