tcsn.net

Tcsn.net

TCSN Internet Services is a Central Coast California ISP and technology company offering dial-up and DSL internet connectivity, web hosting, email, website design, and computer repair. It serves home users, local businesses, wineries, and nonprofits in the San Luis Obispo County area. Founded in 1991 and headquartered in Paso Robles, CA, TCSN grew from a small computer shop into the largest locally owned ISP on the Central Coast, with over 17,000 customers and 30 employees.

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Authority

—/100

Safety

90/100

Registered

Apr 10, 1996

30 years old · GoDaddy.com, LLC

3 of 4 safety checks passed (Sep 20, 2026).

AboutUs has not vetted this site. 1 of 4 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: not enough signals yetClear

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 unexpired threat-feed result; name-similarity check available (recorded about 33 days ago); 3/3 transport and email checks available (oldest recorded about 33 days ago). This is evidence coverage, not a probability that a website is safe.

Missing DMARC (mild)

Site history

Dated record — historical facts always carry their date.

1996
Domain registered (Apr 10, 1996).
2026
Checked today — 3 of 4 safety checks passed (Sep 20, 2026).

✓ domain continuity 30 years registered✓ live verified Sep 20, 2026

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