cluster.dk

Cluster.dk

cluster.dk is the worlds biggest notification system for 11-meter radio communication.

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Authority

—/100

Safety

85/100

1 of 2 safety checks passed (Sep 8, 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

What AboutUs observed today, plus dated entries that carry the year they were recorded. These are measurements, not an endorsement of the site.

not yet retrieved

Registrar and registration date not retrieved yet — we retry on every view.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority: not enough signals yetSome caution flags

Why we're not scoring this yet

We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.

Safety evidence

No valid HTTPS today

Site history

Dated record — historical facts always carry their date.

2026
Checked today — 1 of 2 safety checks passed (Sep 8, 2026).

✓ live verified Sep 8, 2026

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