Is mayoclinic.org legit?
MayoClinic.org is a highly trusted source for health information. Despite a couple of technical glitches like excessive hidden elements and a misconfigured sitemap, its overall strength in identity, reputation, and security makes it a very reliable website.
Health & Wellness average: 76/100 · based on 17 sites
Checked: April 18, 2026 at 8:14 AM UTC · Refresh
Is mayoclinic.org a scam? Here's what we found.
The site has a robust security foundation with a valid SSL certificate, modern TLS protocol, and clean Google Web Risk status. However, the somewhat high number of external scripts warrants careful monitoring for potential vulnerabilities.
With a domain age approaching 30 years and registration through a reputable corporate registrar, MayoClinic.org demonstrates a strong and well-established online identity, typical of a major medical institution.
As one of the most visited websites globally, MayoClinic.org possesses an exceptionally strong reputation. Its clean status on DNS blacklists and long-standing presence further solidify its trustworthiness in the health and wellness sector.
The website provides clear contact information, legal pages, and a significant social media presence, indicating a high level of transparency. The presence of excessive hidden elements is an anachronism for such a reputable site, which could be improved.
The clear presence of privacy and terms of service pages demonstrates a commitment to user compliance, which is crucial for a health information provider handling sensitive data.
The site benefits from well-configured DNS resolution and strong email authentication (SPF and DMARC), ensuring reliable communication. The sitemap misconfiguration is a minor technical issue that doesn't detract significantly from its otherwise solid infrastructure.
Signals Detected
This is one of the most visited websites globally
Site uses structured data identifying itself as: BreadcrumbList
This business has no Trustpilot presence — not unusual for smaller or newer companies
Resolves to: 129.176.1.88
Mail servers: mail2.mayo.edu., mail4.mayo.edu., mail3.mayo.edu., mail5.mayo.edu.
Domain has SPF email authentication configured
Domain has DMARC email authentication configured
DNS providers: dns1.mayo.edu., a14-64.akam.net., dns2.mayo.edu., a1-70.akam.net., a18-66.akam.net., a13-66.akam.net., a3-66.akam.net., a10-66.akam.net.
Excessive number of external scripts — may indicate malicious injection
Excessive hidden content found — may indicate cloaking or deceptive content
Not found on any DNS blacklists
robots.txt has 38 directives and references a sitemap
Valid certificate, expires in 306 days
Certificate issued by Sectigo Limited
Connection uses TLS 1.2
Domain created 1997-02-08T05:00:00Z (29 years, 7 months ago)
Registered through CSC Corporate Domains, Inc.
Expires in 661 days
DNSSEC status from WHOIS
X-Frame-Options: SAMEORIGIN
Web server: Google Frontend
No threats detected by Google Web Risk
Site has custom branding and social media metadata
Sitemap URL returns non-XML content
Website is live and responding
Website appears to have contact information
Website has both privacy policy and terms of service pages
Website links to multiple social media platforms
Could not query Wayback Machine
Could not query certificate transparency logs
Fast page load
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