ossidian.com

OssiDian.com

Ossidian was established in 1999 to develop specialized distance learning courseware for telecommunications network operators and their hardware and software suppliers.

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Authority

46/100

Safety

90/100

Registered

Feb 23, 1999

27 years old · Dynadot Inc

3 of 5 safety checks passed (Sep 4, 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.

checked now

Domain registered Feb 23, 1999 — 27 years old.

checked now

Registrar today: Dynadot Inc — unchanged since AboutUs began tracking (Sep 4, 2026).

checked now

Live site responds over HTTPS.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 46/100 — ahead of 46% of scored sitesClear

Why this authority score

Prominence (Open PageRank 1.1/10)+4
Verified continuity: 27.4 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+7

Every point maps to a sentence. These lines sum to the model score of 25/99, which is what places this site at 46/100 against every other scored site.

Safety evidence

Missing DMARC (mild)

Site history

Dated record — historical facts always carry their date.

1999
Domain registered (Feb 23, 1999).
2026
Checked today — 3 of 5 safety checks passed (Sep 4, 2026).

✓ domain continuity 27 years registered✓ live verified Sep 4, 2026

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