Tellstack

What outlook.com is built with

Read on 2026-10-28 12:21. 7 technologies spotted.

TechnologyCategoryVersionConfidenceTell
AzurePaaS100%dns NS: ns1-05.azure-dns.com
DigiCertSSL/TLS certificate authorities100%certIssuer: DigiCert Inc, DigiCert Global G2 TLS RSA SHA256
HSTSSecurity100%headers strict-transport-security: max-age=31536000; includeSubDomains
HTTP/3Miscellaneous100%headers alt-svc: h3=":443";ma=2592000,h3-29=":443";ma=25920
Linkedin Insight TagAnalytics100%headers content-security-policy: trouter.io:443 media.licdn.com *.facebook.com onerm.olsvc.com *.qas.bi
Microsoft 365Webmail, Email100%dns MX: -com.olc.protection.outlook.com
Microsoft HTTPAPIWeb servers2.0100%headers server: Microsoft-HTTPAPI/2.0

Look up any site with GET /v1/lookup?domain=outlook.com. Start free.