Domain Name ctldl.windowsupdate.com Common Name a248.e.akamai.net Alternative Names *.akamaihd.net, *.akamaized.net, a248.e.akamai.net, *.akamaihd-staging.net, *.akamaized-staging.net
TLS Certificate Expiration Expiry Date 2026-12-22 23:59:59 UTC Remaining Days 290 days
Certificate Name matches ctldl.windowsupdate.com Basic Information
Certificate Hierarchy end-user Validation Type organization Valid From 2025-12-22 00:00:00 UTC Valid Until 2026-12-22 23:59:59 UTC Signature Algorithm ECDSA-SHA2384 Serial Number 03:73:ab:42:0f:54:94:1b:55:57:42:d9:ac:89:06:26
Certificate Subject
Common Name a248.e.akamai.net Organization Akamai Technologies Inc. Locality/City Cambridge State/Province Massachusetts Country US
Certificate Issuer
Common Name DigiCert Global G3 TLS ECC SHA384 2020 CA1 Organization DigiCert Inc Country US
Public Key
Size 256 bit Algorithm ECDSA
PEM: -----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEb7rGHIzSX0WmIAoIlHgCqaMddDX3sM+E936F2Vr+xcyh3aItKF18161t8ue9RIpOnnzI29PQgspH9ZN7boewrg==
-----END PUBLIC KEY-----
SSL Certificate
PEM: -----BEGIN CERTIFICATE-----
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
-----END CERTIFICATE-----
This certificate is correctly installed.
