outlook.live.com Tech Stack
Live first-party scan of outlook.live.com's tech stack. 5 technologies detected across 6 categories, via Wappalyzer fingerprinting + DNS CNAME + TLS certificate inspection. Last change: Aug 23, 2026 - outlook.live.com added dc.js.
Infrastructure Layer
DigiCert
JavaScript graphics
dc.js
JavaScript libraries
dc.js
Miscellaneous
HTTP/3
SSL/TLS certificate authority
DigiCert
Security
HSTS
Web servers
Microsoft HTTPAPI
Tech Stack Changes
Compare outlook.live.com's Stack
How was this detected?
For outlook.live.com, DetectZeStack identified 5 technologies: 4 via HTTP fingerprinting and 1 via TLS handshake.
Detection runs four independent layers in parallel: HTTP response headers, TLS handshake metadata, certificate issuer inspection, and DNS record lookups. The breakdown above shows which layers fired for this specific domain — some sites carry most of their fingerprint in HTTP, others rely heavily on infrastructure (DNS/TLS).
How outlook.live.com compares
Symmetric diff between outlook.live.com and similar sites detected on DetectZeStack.
vs www.calida.com — 2 shared, 3 unique here, 4 unique there
Only on outlook.live.com: DigiCert, Microsoft HTTPAPI, dc.js
Only on www.calida.com: cdnjs, jQuery, jsDelivr, Cloudflare
vs www.cakeequity.com — 2 shared, 3 unique here, 4 unique there
Only on outlook.live.com: Microsoft HTTPAPI, dc.js, DigiCert
Only on www.cakeequity.com: Google Font API, Optibase, Webflow, jQuery
vs www.investopedia.com — 2 shared, 3 unique here, 3 unique there
Only on outlook.live.com: Microsoft HTTPAPI, dc.js, DigiCert
Only on www.investopedia.com: Cloudflare, Cloudflare Bot Management, Let's Encrypt
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Get Free API Key Chrome ExtensionWhat technologies does outlook.live.com use?
outlook.live.com uses 5 technologies across 6 categories. The full breakdown is listed above, organized by function. Each technology was identified through analysis of HTTP headers, DNS records, TLS certificates, and HTML content.
How is outlook.live.com's tech stack detected?
DetectZeStack identifies technologies on outlook.live.com through multiple detection methods: HTTP response header analysis, HTML and JavaScript content scanning, DNS record lookups, and TLS certificate inspection. This multi-layered approach catches technologies that single-method tools miss.