Is harvard.edu safe?
Very Likely Safe
No major red flags found. This looks like a legitimate, established website.
Why: Main reasons: not flagged by Google Safe Browsing; no impersonation patterns detected; not listed on URLhaus malware blocklist. Minor issues: no terms of service found; missing HSTS.
Positive highlights
- Not flagged by Google Safe BrowsingNo malware, phishing, or unwanted-software match in Google's live threat database.
- HTTPS is enforcedAll redirects stayed on HTTPS. Traffic is encrypted end-to-end.
- Site responded with 200Final URL: https://www.harvard.edu/. Response time 388ms.
- HTTPS works with a valid certificateA secure connection was made on port 443. Certificate log details were unavailable at scan time.
- No impersonation patterns detectedDomain doesn't look like a typosquat, doesn't embed a well-known brand, and uses ASCII characters.
- Not listed on URLhaus malware blocklist
- Fast response (388ms)
- Not present in PhishStats phishing feed
- Privacy policy linked from home page
- DMARC published (quarantine)
Negative highlights
- Missing HSTSTells browsers to only use HTTPS for this domain.
- Missing Content Security PolicyRestricts which scripts and resources the page can load.
- No terms of service foundReputable sites usually publish a terms of service.
- Large response served uncompressedEnable gzip or brotli at the edge to cut transfer size dramatically.
Note: Domain records active on registry. Registry returned active status with redacted public contact records.
Note: 231+ URLs indexed. A large sitemap suggests an established, content-rich site.
Note: 8 technologies detected. WordPress, Svelte, jQuery, Tailwind CSS, Bootstrap, Google Analytics, Google Tag Manager, Cloudflare
Key facts about harvard.edu
- Website
- harvard.edu
- Popularity
- Not checked
- Domain created
- Not public
- Domain expires
- Not public
- Registrar
- Verified Registry
- Owner details
- Hidden (privacy service)
- IP address
- 192.0.66.20
- Hosting / CDN
- Cloudflare
- SSL certificate
- HTTPS works (certificate details unavailable)
- Email security
- SPF ✓ · DMARC ✓ (quarantine)
- Threat blocklists
- Not listed (clean)
- Technology
- WordPress, Svelte, jQuery, Tailwind CSS, Bootstrap, Google Analytics
Summary
89/100 — trusted. Domain registration date unconfirmed, clean threat reputation, no impersonation patterns.
Full technical report
Domain Information
Registration timeline, age calculation, registrar details, and ICANN status.
- Registrar Name
- Verified Registry
- Creation Date
- —
- Last Updated
- —
- Registry Expiry Date
- —
- WHOIS Privacy Protection
- Redacted for Privacy (Protected)
- Domain Status Codes
- active
HTTP Headers & Security
Full HTTP response headers, HSTS, Content Security Policy (CSP), and security baselines.
cache-control: max-age=300, must-revalidate cf-cache-status: DYNAMIC cf-ray: a59ee0010c693564-CMH connection: close content-type: text/html; charset=UTF-8 date: Fri, 13 Nov 2026 15:40:27 GMT host-header: a9130478a60e5f9135f765b23f26593b link: <https://www.harvard.edu/wp-json/>; rel="https://api.w.org/", <https://www.harvard.edu/wp-json/wp/v2/pages/6392>; rel="alternate"; title="JSON"; type="application/json", <https://www.harvard.edu/>; rel=shortlink server: cloudflare transfer-encoding: chunked vary: Accept-Encoding x-cache: HIT x-remembering: Eric Binnion <https://friendsofericbinnion.wordpress.com/> x-rq: dca5 181 249 80
DNS Records
Encrypted DoH resolution: A, AAAA, MX mail servers, authoritative NS, and TXT verification.
- IPv4 Addresses (A)
- 192.0.66.20
- IPv6 Addresses (AAAA)
- None
- Mail Servers (MX)
- mx0a-00171101.pphosted.com (Priority: 100), mx0b-00171101.pphosted.com (Priority: 100)
- Authoritative Nameservers (NS)
- a6-66.akam.net, a7-65.akam.net, a1-171.akam.net, a10-66.akam.net, a11-67.akam.net, a16-64.akam.net
- TXT Records Found
- 48 TXT verification records
WHOIS & Identity Lookup
Domain ownership status, registry lifecycle, nameservers, and privacy redaction.
- Registrable Domain
- harvard.edu
- Registrar Organization
- Verified Registry
- WHOIS Privacy Status
- Enabled (WHOIS Guard / Redacted)
- Registry Status Codes
- active
- Delegated Authoritative Nameservers
- a6-66.akam.net, a7-65.akam.net, a1-171.akam.net, a10-66.akam.net, a11-67.akam.net, a16-64.akam.net
- Registration Lifecycle
- —
Email Security & Deliverability
SPF record validation, DMARC policy enforcement, DKIM selectors, and MX reputation.
- SPF Record
- v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.mailjet.com ~all
- DMARC Policy Mode
- Policy: QUARANTINE
- DMARC Raw Record
- v=DMARC1; p=quarantine; sp=none; pct=100; adkim=r; aspf=r; rua=mailto:dmarc_agg@vali.email
- DKIM Selectors Detected
- default, selector1, s1, s2
Threat Intelligence & Blocklists
Multi-source malware feeds (URLhaus), phishing checks (PhishStats, Safe Browsing), and typosquats.
- Root Domain Label
- harvard
- Top-Level Domain (TLD)
- .edu (Standard TLD)
- Punycode Obfuscation
- No (Standard ASCII)
- Homoglyph / Lookalike Script
- No mixed scripts
- Brand Match Analysis
- No recognized brand impersonation
- Typosquatting Risk
- Clean
Technology Stack & Metadata
Detected CMS, JavaScript frameworks, analytics tags, CDN providers, and page metadata.
- HTML Title
- Harvard University
- Meta Description
- Harvard University is devoted to excellence in teaching, learning, and research, and to developing leaders who make a difference globally.
- Document Language
- en-US
- Character Encoding
- utf-8
- Viewport Setting
- width=device-width, initial-scale=1.0
- Generator Software
- —
Page Performance & Compression
Server response time, content payload size, Brotli/Gzip compression, and caching rules.
- HTTP Response Time
- 388 ms
- Payload Body Size
- 153.6 KB
- Compression Status
- Uncompressed
- Cache Directives
- max-age=300, must-revalidate
AI Content Safety & Red Flags
High-pressure language, payment gateway safety, disposable domain analysis, and deceptive tactics.
89/100 — trusted. Domain registration date unconfirmed, clean threat reputation, no impersonation patterns. Main reasons: not flagged by Google Safe Browsing; no impersonation patterns detected; not listed on URLhaus malware blocklist. Minor issues: no terms of service found; missing HSTS.
- Payment Red Flags
- None (No suspicious payment requests)
- High-Pressure Language
- None (No artificial urgency detected)
- Disposable Domain Risk
- No (Established infrastructure)
- Text Scanned Depth
- 12,268 characters verified
Server & Hosting Infrastructure
Primary IP address, web server software, CDN edge network, and redirect hop chain.
- Primary Web Server
- cloudflare
- CDN / Cloud Provider
- Cloudflare
- Primary IP Address
- 192.0.66.20
- HTTP Status Code
- 200 OK
- Final Landing Destination
- https://www.harvard.edu/
- Redirect Hop Count
- 1 hop
- 1.https://harvard.edu/ → https://www.harvard.edu/
SSL / TLS Certificate
Active Certificate Authority, Common Name, validity period, expiration countdown, and SANs.
- Certificate Authority (Issuer)
- Not available (certificate logs did not respond)
- Subject Common Name (CN)
- —
- Validity Period
- Not available
- Subject Alternative Names (SANs)
- 1 domain protected
- Certificates Logged (CT)
- Verified in live TLS
Content & Transparency Policies
Linked privacy policy, terms of service, about page, social channels, and published contacts.
- Published Phone Numbers
- 2026-10-30, 347002299, 1793970740, 1793970739, 2021-01-29, 1611922150
Robots.txt & Sitemap Discoverability
Search engine crawler directives, indexability, and declared XML sitemaps.
- Robots.txt Directives
- Present & Configured
- Sitemaps Declared
- https://www.harvard.edu/sitemap_index.xml, https://www.harvard.edu/president/sitemap_index.xml, https://www.harvard.edu/media-relations/sitemap_index.xml, https://www.harvard.edu/climate-and-sustainability/sitemap_index.xml, https://www.harvard.edu/wellbeing/sitemap_index.xml, https://www.harvard.edu/guidelines/sitemap_index.xml, https://www.harvard.edu/ai/sitemap_index.xml, https://www.harvard.edu/community/sitemap_index.xml, https://legacyofslavery.harvard.edu/sitemap_index.xml, https://www.harvard.edu/federal-lawsuits/sitemap_index.xml
- Disallow Rules Count
- 1 rule
View Raw robots.txt
# START YOAST BLOCK # --------------------------- User-agent: * Disallow: Sitemap: https://www.harvard.edu/sitemap_index.xml Sitemap: https://www.harvard.edu/president/sitemap_index.xml Sitemap: https://www.harvard.edu/media-relations/sitemap_index.xml Sitemap: https://www.harvard.edu/climate-and-sustainability/sitemap_index.xml Sitemap: https://www.harvard.edu/wellbeing/sitemap_index.xml Sitemap: https://www.harvard.edu/guidelines/sitemap_index.xml Sitemap: https://www.harvard.edu/ai/sitemap_index.xml Sitemap: https://www.harvard.edu/community/sitemap_index.xml Sitemap: https://legacyofslavery.harvard.edu/sitemap_index.xml Sitemap: https://www.harvard.edu/federal-lawsuits/sitemap_index.xml # --------------------------- # END YOAST BLOCK
Export & Share Intelligence
Download the complete official PDF verification report (all sections and technical signals expanded), or export raw JSON telemetry.
Scan Engine Performance
Automated multi-signal inspection pipeline
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