jt30.com

Jt30.com

HarpAmps.com - The Source of Information on Buying, Building, Using and Collecting Vacuum Tube Amplifiers for Blues Harp, Amps, discussion, Amp Modification, Tube Amps, How to and beginners guide, Do-it-yourself

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Authority

41/100

Safety

90/100

Registered

Apr 20, 1999

27 years old · Cloudflare, Inc.

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 Apr 20, 1999 — 27 years old.

checked now

Registrar today: Cloudflare, Inc. — unchanged since AboutUs began tracking (Sep 9, 2026).

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 41/100 — ahead of 41% of scored sitesClear

Why this authority score

Prominence (Open PageRank 1.1/10)+4
Verified continuity: 27.3 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+5

Every point maps to a sentence. These lines sum to the model score of 23/99, which is what places this site at 41/100 against every other scored site.

Safety evidence

Missing DMARC (mild)

Site history

Dated record — historical facts always carry their date.

1999
Domain registered (Apr 20, 1999).
2026
Checked today — 4 of 5 safety checks passed (Sep 9, 2026).

✓ domain continuity 27 years registered✓ live verified Sep 9, 2026

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