joshknows.com

JoshKnows.com Projects of Josh Blum

JoshKnows.com is the homepage for GNU Radio Companion (GRC), a graphical interface to the GNU Radio Project. The site is maintained by Josh Blum and serves developers and users of GNU Radio, an open-source software toolkit for radio applications.

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Authority

50/100

Safety

90/100

Registered

May 1, 2005

21 years old · Network Solutions, LLC

4 of 5 safety checks passed (Sep 9, 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.

checked now

Domain registered May 1, 2005 — 21 years old.

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Registrar today: Network Solutions, LLC — unchanged since AboutUs began tracking (Sep 4, 2026).

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Live site responds over HTTPS.

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 50/100 — ahead of 50% of scored sitesClear

Why this authority score

Prominence (Open PageRank 2.4/10)+5
Verified continuity: 21.2 years (RDAP registration)+10
Security & email hygiene+3
Calibration adjustment (published map)+9

Every point maps to a sentence. These lines sum to the model score of 27/99, which is what places this site at 50/100 against every other scored site.

Safety evidence

Missing DMARC (mild)

Site history

Dated record — historical facts always carry their date.

2005
Domain registered (May 1, 2005).
2026
Checked today — 4 of 5 safety checks passed (Sep 9, 2026).

✓ domain continuity 21 years registered✓ live verified Sep 9, 2026

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