Is caltech.edu legit?
Caltech.edu is a highly trusted website, showing strong security, identity, and infrastructure elements. While it impressively covers many critical trust factors, it has a minor gap with its legal pages that could be improved.
Education average: 81/100 · based on 35 sites
Checked: April 18, 2026 at 7:57 AM UTC · Refresh
Is caltech.edu a scam? Here's what we found.
The site boasts robust security measures, including a modern TLS version, active Content Security Policy and Clickjacking Protection, and is free from Google Web Risk or DNS blacklists. This indicates a strong commitment to user safety.
With a well-established .EDU domain dating back to 1986 and clear WHOIS information for the California Institute of Technology, the site's identity is exceptionally transparent and verifiable, leaving no doubt about who is behind it.
As a highly-ranked and historically significant educational institution, Caltech.edu holds a strong and undisputed reputation. The consistent online presence and high traffic rank reinforce its standing in the academic world.
Caltech.edu is very transparent, providing ample contact information, complete branding, and an active presence across multiple social media platforms, making it easy for users to find and connect with them.
While generally compliant with legal requirements, the site has a slight shortfall as it appears to be missing either a privacy policy or terms of service, which are crucial for clearly defining user rights and data handling.
The site's infrastructure is solid, featuring excellent DNS resolution, reliable Cloudflare hosting, and strong email authentication protocols (SPF and DMARC), ensuring stable and secure operations.
Signals Detected
This is a well-known, high-traffic website
No structured data markup found
This business has no Trustpilot presence — not unusual for smaller or newer companies
Site has Content Security Policy configured
X-Frame-Options: SAMEORIGIN
Web server: cloudflare
No threats detected by Google Web Risk
Not found on any DNS blacklists
Valid certificate, expires in 236 days
Certificate issued by Internet2
Connection uses TLS 1.3
robots.txt has 11 directives and references a sitemap
Site maintains a proper sitemap with 64 indexed pages
Resolves to: 52.26.125.194
Mail servers: mx1.caltech.iphmx.com., mx2.caltech.iphmx.com.
Domain has SPF email authentication configured
Domain has DMARC email authentication configured
DNS providers: ns0239.secondary.cloudflare.com., ns0090.secondary.cloudflare.com.
Site has custom branding and social media metadata
Could not query Wayback Machine
Website is live and responding
Website appears to have contact information
Website is missing either privacy policy or terms of service
Website links to multiple social media platforms
Could not query certificate transparency logs
Fast page load
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