troll.no

Troll.no

Trolltech is a software company that develops tools and frameworks for building graphical applications faster and with improved usability. Based in Oslo, Norway, the company is known for creating Qt, a cross-platform application development toolkit used in graphic subsystems and operating systems.

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Authority

27/100

Safety

88/100

Registered

Jun 2, 2013

13 years old · Prereg AS

1 of 2 safety checks passed (Sep 20, 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

Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.

Authority & Safety, with the evidence

How this is scored →

Authority 27/100 — ahead of 27% of the August 2026 scored sampleSome caution flags

Why this authority score

Prominence (Tranco rank #946,741)+5
Verified continuity: 13.3 years (RDAP registration)+9
Security & email hygiene+2
Calibration adjustment (published map)+2

These lines explain the underlying model score of 18/99, which is what places this site at 27/100 using the August 2026 scored sample. Public Authority is capped at 99.

Safety evidence

No unexpired threat-feed result; name-similarity check available (recorded about 13 days ago); 3/3 transport and email checks available (oldest recorded about 13 days ago). This is evidence coverage, not a probability that a website is safe.

Recorded HTTPS check did not confirm a valid connection
Missing DMARC (mild)

Site history

Dated record — historical facts always carry their date.

2013
Domain registered (Jun 2, 2013).
2026
Checked today — 1 of 2 safety checks passed (Sep 20, 2026).

✓ domain continuity 13 years registered✓ live verified Sep 20, 2026

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