stecf.org

Stecf.org

About ST-ECF The ST-ECF consists of a small group of astronomers, software scientists and media specialists who support Hubble science in Europe and collaborate internationally on HST science, instrument, archive and outreach activities.

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Authority

48/100

Safety

90/100

Registered

Oct 19, 1999

26 years old · Key-Systems GmbH

4 of 5 safety checks passed (Sep 5, 2026).

AboutUs has not vetted this site. 1 of 5 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.

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Domain registered Oct 19, 1999 — 26 years old.

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Registrar today: Key-Systems GmbH — unchanged since AboutUs began tracking (Aug 23, 2026).

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Live site responds over HTTPS.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 48/100 — ahead of 48% of scored sitesClear

Why this authority score

Prominence (Open PageRank 1.6/10)+4
Verified continuity: 26.7 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+8

Every point maps to a sentence. These lines sum to the model score of 26/99, which is what places this site at 48/100 against every other scored site.

Safety evidence

Missing DMARC (mild)

Site history

Dated record — historical facts always carry their date.

1999
Domain registered (Oct 19, 1999).
2026
Checked today — 4 of 5 safety checks passed (Sep 5, 2026).

✓ domain continuity 26 years registered✓ live verified Sep 5, 2026

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