cancertutor.org

CancerTutor.org

CancerTutor.org is an information resource focused on alternative and natural cancer treatments, compiled by R. Webster Kehr, who was born in 1946 in Jefferson City, Missouri and is based in Overland Park, Kansas. The site is aimed at patients and caregivers seeking information outside conventional oncology, covering topics such as natural remedies and non-orthodox treatment approaches. It is a personally authored reference site rather than a clinical or institutional organization.

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Authority

—/100

Safety

90/100

Registered

Jun 25, 2003

23 years old · Squarespace Domains II LLC

All 4 safety checks passed (Sep 18, 2026).

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 28 days ago); 3/3 transport and email checks available (oldest recorded about 28 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.

2003
Domain registered (Jun 25, 2003).
2026
Checked today — All 4 safety checks passed (Sep 18, 2026).

✓ domain continuity 23 years registered✓ live verified Sep 18, 2026

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