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 5 safety checks passed (Sep 10, 2026).
Current facts
What AboutUs observed on the live site and in WHOIS/DNS today. These are measurements, not an endorsement of the site.
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Domain registered Jun 25, 2003 — 23 years old.
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Registrar today: Squarespace Domains II LLC — unchanged since AboutUs began tracking (Aug 14, 2026).
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
Missing DMARC (mild)
Site history
Dated record — historical facts always carry their date.