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Trusted

Yes — caltech.edu looks safe

93/ 100 trust score
Industry: Education Checked Apr 28, 2026 Education average: 66 26 signals
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In plain English

This website is highly trusted, benefiting from excellent security posture, clear identity, and robust infrastructure. The only minor concern is a partial set of legal pages.

Cross-referenced 26 live signals from Google Safe Browsing, VirusTotal, WHOIS and more on Apr 28, 2026. How we score →

Where the score comes from

We look at six areas. Here's how caltech.edu did in each.
98
Security

The site boasts a strong security setup, utilizing TLS 1.3 with a valid certificate, and is confirmed clean by Google Web Risk, indicating a robust defense against cyber threats.

95
Identity

As a long-established domain for a major educational institution, the identity is clear and well-documented through WHOIS, instilling high confidence in who operates the site.

95
Reputation

With a high Tranco rank and a clean slate on DNS blacklists, the site maintains a very strong online reputation, indicating widespread trust and legitimacy.

95
Transparency

The website provides ample contact information and maintains a visible presence across multiple social media platforms, demonstrating a commitment to open communication.

85
Compliance

While most compliance aspects appear strong, the absence of either a privacy policy or terms of service presents a slight gap in meeting full legal transparency standards.

97
Infrastructure

The robust infrastructure includes multiple name servers, complete email authentication (SPF/DMARC), and a healthy sitemap, ensuring reliability and proper site function.

What we checked

The 26 signals behind this report.
Security & Transport
SSL Certificate
Valid
Certificate Issuer
Internet2
TLS Version
TLS 1.3
Content Security Policy
Present
Clickjacking Protection
Present
Server
cloudflare
Google Web Risk
Clean
Identity & WHOIS
Branding
Complete
Contact Info
Found
Legal Pages
Partial
Infrastructure & DNS
DNS Resolution
1 IP(s)
Email (MX Records)
2 record(s)
SPF Record
Present
DMARC Record
Present
Name Servers
2 server(s)
DNS Blacklists
Clean
Page Load Time
602ms
Reputation & Reach
Tranco Rank
Rank #3253
Structured Data
None found
Trustpilot
No Trustpilot profile
robots.txt
Present
Sitemap
64 pages
Web Archive
Unable to check
Website Status
Online
Social Media Presence
5 platforms
Other
Certificate Transparency
Unable to check

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caltech.edu
93
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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.

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