Certificate audit
deepseek.com SSL certificate check
SEO page with a cached certificate, TLS and chain-of-trust inspection result.
SSL certificate
Validity
Valid
Days remaining
199
Chain status
Trusted chain
Issuer
CN=Amazon RSA 2048 M01,O=Amazon,C=US
Subject
CN=deepseek.com
Valid from
11/28/2025 12:00:00 AM
Valid until
12/27/2026 11:59:59 PM
TLS version
TLS 1.3
Cipher
TLS_AES_128_GCM_SHA256
Subject alternative names
deepseek.comCertificate chain
Certificate 1 /leaf
deepseek.com
Issuer: CN=Amazon RSA 2048 M01,O=Amazon,C=US
Until: 12/27/2026 11:59:59 PMCA: falseSelf-signed: false
Certificate 2 /intermediate
Amazon RSA 2048 M01
Issuer: CN=Amazon Root CA 1,O=Amazon,C=US
Until: 8/23/2030 10:21:28 PMCA: trueSelf-signed: false
Certificate 3 /last-presented
Amazon Root CA 1
Issuer: CN=Starfield Services Root Certificate Authority - G2,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US
Until: 12/31/2037 1:00:00 AMCA: trueSelf-signed: false