SSL Checker

hotmail.com

TLS 1.3 TLS_AES_256_GCM_SHA384

Leaf Certificate

Subject outlook.live.com

Issuer Microsoft TLS G2 RSA CA OCSP 10

Valid From Aug 12, 2026

Valid Until Feb 26, 2027 (194 days)

Algorithm SHA384-RSA

Subject Alternative Names

outlook.live.comoutlook-sdf.live.comattachment.outlook.office.netattachment.outlook.officeppe.nethotmail.com*.calendar.live.com*.hotmail.com*.live.com*.mail.live.comlive.com*.fp.measure.office.compremium.outlook.com

Intermediate

Subject Microsoft TLS G2 RSA CA OCSP 10

Issuer Microsoft TLS RSA Root G2

Valid From Aug 1, 2025

Valid Until Jun 3, 2029 (1022 days)

Algorithm SHA384-RSA

Intermediate

Subject Microsoft TLS RSA Root G2

Issuer DigiCert Global Root G2

Valid From May 21, 2025

Valid Until Jun 19, 2029 (1038 days)

Algorithm SHA384-RSA

Findings

✓ TLS 1.3 supported

✓ SSL certificate valid (194 days remaining)

✓ Certificate covers 12 domains (SANs)

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Security Headers

CSP, HSTS, X-Frame-Options grade for this site

DNS Lookup

Query A, AAAA, MX, TXT, NS, CNAME, and SOA records with authoritative timing.

Redirect Checker

Trace the full HTTP redirect chain, flag loops, and surface mixed-content downgrades.

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