Is caltech.edu legit?

90
/ 100
Trusted
Industry: Education

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.

Security 95/100

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.

Identity 98/100

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.

Reputation 95/100

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.

Transparency 90/100

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.

Compliance 80/100

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.

Infrastructure 95/100

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

[+]
Tranco Rank: Rank #3246

This is a well-known, high-traffic website

[?]
Structured Data: None found

No structured data markup found

[?]
Trustpilot: No Trustpilot profile

This business has no Trustpilot presence — not unusual for smaller or newer companies

[+]
Content Security Policy: Present

Site has Content Security Policy configured

[+]
Clickjacking Protection: Present

X-Frame-Options: SAMEORIGIN

[?]
Server: cloudflare

Web server: cloudflare

[+]
Google Web Risk: Clean

No threats detected by Google Web Risk

[+]
DNS Blacklists: Clean

Not found on any DNS blacklists

[+]
SSL Certificate: Valid

Valid certificate, expires in 236 days

[?]
Certificate Issuer: Internet2

Certificate issued by Internet2

[+]
TLS Version: TLS 1.3

Connection uses TLS 1.3

[+]
robots.txt: Present

robots.txt has 11 directives and references a sitemap

[+]
Sitemap: 64 pages

Site maintains a proper sitemap with 64 indexed pages

[+]
DNS Resolution: 1 IP(s)

Resolves to: 52.26.125.194

[+]
Email (MX Records): 2 record(s)

Mail servers: mx1.caltech.iphmx.com., mx2.caltech.iphmx.com.

[+]
SPF Record: Present

Domain has SPF email authentication configured

[+]
DMARC Record: Present

Domain has DMARC email authentication configured

[+]
Name Servers: 2 server(s)

DNS providers: ns0239.secondary.cloudflare.com., ns0090.secondary.cloudflare.com.

[+]
Branding: Complete

Site has custom branding and social media metadata

[?]
Web Archive: Unable to check

Could not query Wayback Machine

[+]
Website Status: Online

Website is live and responding

[+]
Contact Info: Found

Website appears to have contact information

[~]
Legal Pages: Partial

Website is missing either privacy policy or terms of service

[+]
Social Media Presence: 5 platforms

Website links to multiple social media platforms

[?]
Certificate Transparency: Unable to check

Could not query certificate transparency logs

[+]
Page Load Time: 639ms

Fast page load

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When evaluating an educational institution's website like caltech.edu, trustworthiness is paramount. Potential students, researchers, and alumni rely on these sites for critical information, and thankfully, Caltech.edu shines in multiple areas. Unlike many commercial sites, a reputable university website's longevity, robust security, and clear identity are indicators of its commitment to its community. What truly sets Caltech.edu apart as a trusted educational platform is its exceptionally long domain history, dating back to 1986. This deep-rooted online presence, combined with transparent WHOIS information, paints a clear picture of a well-established and legitimate institution. For academic websites, finding clear contact details and active social media channels, as seen here, further assures visitors that they can easily engage with the university. While the partial legal pages are a minor area for improvement, it doesn't significantly detract from the overall integrity expected from a world-renowned university. Users can feel confident engaging with caltech.edu for academic inquiries, research, or institutional information.