网站SSL证书信息查询接口

{
    "status": "success",
    "domain": "api.zxki.cn",
    "port": 443,
    "certificate": {
        "subject": {
            "CN": "api.zxki.cn"
        },
        "issuer": {
            "C": "US",
            "O": "Let's Encrypt",
            "CN": "R11"
        },
        "version": 2,
        "serial_number": "580759545108526742296024058071462954510816",
        "valid_from": "2025-08-09 18:15:48",
        "valid_to": "2025-11-07 18:15:47",
        "expires_in_days": 88,
        "signature_type": "RSA-SHA256",
        "extensions": {
            "keyUsage": "Digital Signature, Key Encipherment",
            "extendedKeyUsage": "TLS Web Server Authentication, TLS Web Client Authentication",
            "basicConstraints": "CA:FALSE",
            "subjectKeyIdentifier": "59:E3:91:34:A0:5E:62:29:2C:26:A3:97:8D:12:D7:8D:33:56:65:94",
            "authorityKeyIdentifier": "keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9\n",
            "authorityInfoAccess": "CA Issuers - URI:http:\/\/r11.i.lencr.org\/\n",
            "subjectAltName": "DNS:api.zxki.cn",
            "certificatePolicies": "Policy: 2.23.140.1.2.1\n",
            "crlDistributionPoints": "\nFull Name:\n  URI:http:\/\/r11.c.lencr.org\/97.crl\n",
            "ct_precert_scts": "Signed Certificate Timestamp:\n    Version   : v1(0)\n    Log ID    : A4:42:C5:06:49:60:61:54:8F:0F:D4:EA:9C:FB:7A:2D:\n                26:45:4D:87:A9:7F:2F:DF:45:59:F6:27:4F:3A:84:54\n    Timestamp : Aug  9 11:14:18.529 2025 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:20:50:01:55:17:16:33:BA:CD:78:F8:CF:34:\n                87:82:6C:A2:63:E2:39:F1:86:70:8F:CE:42:68:3A:CC:\n                BF:10:50:81:02:21:00:99:20:21:3E:8A:23:80:EF:A9:\n                BC:E7:64:2E:94:72:31:5A:E1:88:B4:A4:0D:DD:07:F6:\n                EB:92:E4:6F:39:77:81\nSigned Certificate Timestamp:\n    Version   : v1(0)\n    Log ID    : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:\n                F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A\n    Timestamp : Aug  9 11:14:20.549 2025 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:B9:EB:12:58:20:47:77:A3:21:3F:21:\n                49:0C:C5:E0:2E:C9:A5:FF:AD:31:AA:74:4F:B4:BA:EB:\n                84:69:89:E4:6A:02:21:00:B1:7F:9D:6A:29:B1:4F:D3:\n                F3:E6:96:10:FA:2E:9A:91:00:4F:81:C1:21:21:36:7F:\n                BA:C6:6B:71:E5:13:38:5B"
        }
    }
}