New

WHOIS History as Evidence: Incident Response Use Cases and Chain of Custody TipsRead Now

Domain Analytics Contact Sales

PRODUCTS

TOOLS

Docs

pricing background

Live SSL Certificate Lookup

The Live SSL Lookup tool provides real-time SSL certificate data for domains.

1528+

TLDs

693M+

Active Domains

893M+

Domains Tracked

3731M+

WHOIS Records

5109M+

Host Names

15B+

DNS Records

security & domain Tools

SSL Domain Availability Domain Discovery Subdomains IP-Security IP-Geolocation

SSL Certificate for outlook.com

WHOIS API Tools

Whois Lookup Bulk Whois Lookup Historical Whois lookup Reverse Whois Lookup IP Whois Lookup ASN Whois Lookup

DNS API Tools

DNS Lookup Bulk DNS Lookup Historical DNS lookup Reverse DNS Lookup NS Lookup MX Lookup

Recent SSL Lookup

Powered by SSL Certificate Lookup API

Response

TLS Certificate

Domain Nameoutlook.comCommon Nameoutlook.comAlternative Namesattachment.outlook.live.net, office365.com, *.outlook.com, attachment.outlook.officeppe.net, hotmail.com, *.live.com, *.office.com, *.office365.com, outlook.office.com, attachments.office.net, substrate.office.com, *.hotmail.com, attachment.outlook.office.net, outlook.com, substrate-sdf.office.com, mail.services.live.com, *.outlook.office365.com, ccs.login.microsoftonline.com, *.internal.outlook.com, attachments-sdf.office.net

TLS Certificate Expiration

Expiry Date2026-10-2 23:59:59 UTCRemaining Days183 days

Certificate Name matches outlook.com

Basic Information

Certificate Hierarchyend-userValidation TypeorganizationValid From2026-03-18 00:00:00 UTCValid Until2026-10-2 23:59:59 UTCSignature AlgorithmSHA256-RSASerial Number05:90:cb:d3:65:66:7f:41:04:a9:a2:69:0c:5b:7c:73

Certificate Subject

Common Nameoutlook.comOrganizationMicrosoft CorporationLocality/CityRedmondState/ProvinceWashingtonCountryUS

Certificate Issuer

Common NameDigiCert Global G2 TLS RSA SHA256 2020 CA1OrganizationDigiCert IncCountryUS

Public Key

Size2048 bitAlgorithmRSA

PEM:

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2veZgxIOGdwBvTUFku34zTWJq4xnti3Tv3h/SwxnuU4fi9RVfAXhz5RwOHK3ZZ2da3YKamk0XtHOPqztf2el3YYC7FXz0zmcdPoC7DqWjf7m5Gl1UDapO7yMxjjx2rS5MCuJMjCpsjiEKGCb1vEx/wnK4Owdk2Ebx8niJI95sgxh/e4t3yMfTU+sQBsqstEP/tdJ5CPtFudFO3ZMxVn0DUNwZRBSf7+mqgLP6NyHqiTL5wmMzPqvfFR6iJF8FhWLt6n3YYVFIfqIv5ZwICzWunDePhZ7hd5iRzU/walmtlX3VdMd2eQENPOXn0EF9t54CzIA937TXs6J1g7BGDqkvQIDAQAB -----END PUBLIC KEY-----

SSL Certificate

PEM:

-----BEGIN CERTIFICATE----- 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 -----END CERTIFICATE-----

Result

This certificate is correctly installed.