harvard.net

Harvard.net

Harvard.net provides small business web hosting, shared hosting, email hosting, and domain registration services. The service is operated by XO Communications, Inc. (based in Plano, TX) and traces its roots to Concentric, a web hosting provider launched in 1997 that pioneered a patented Clustered Hosting architecture.

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Authority

41/100

Safety

89/100

Registered

Jun 15, 1995

31 years old · CSC Corporate Domains, Inc.

1 of 2 safety checks passed (Sep 21, 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 41/100 — ahead of 41% of the August 2026 scored sampleSome caution flags

Why this authority score

Prominence (Tranco rank #889,005)+5
Verified continuity: 31.3 years (RDAP registration)+11
Security & email hygiene+2
Calibration adjustment (published map)+5

These lines explain the underlying model score of 23/99, which is what places this site at 41/100 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 19 days ago); 3/3 transport and email checks available (oldest recorded about 19 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.

1995
Domain registered (Jun 15, 1995).
2026
Checked today — 1 of 2 safety checks passed (Sep 21, 2026).

✓ domain continuity 31 years registered✓ live verified Sep 21, 2026

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