{"domain":"ucloud.cn","port":443,"address":"106.75.79.228","resolved_addresses":["106.75.79.228","106.75.154.140","113.31.113.101"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"C":"CN","ST":"\u4e0a\u6d77\u5e02","O":"\u4f18\u523b\u5f97\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8","CN":"*.ucloud.cn"},"issuer":{"C":"US","O":"DigiCert, Inc.","CN":"GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1"},"serial":"01A68E1652426D1802B42F27F64F179B","version":3,"valid_from":"2026-05-07T00:00:00+00:00","valid_to":"2026-11-21T23:59:59+00:00","validity":"expiring_soon","days_remaining":15,"san":"DNS:*.ucloud.cn, 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49:39:25:BC:AC:02:21:00:AD:B1:57:58:27:93:AD:B7:\n                40:BB:EC:43:0B:92:B3:4F:00:B8:A1:26:C1:1C:00:49:\n                23:6D:1E:F4:C6:6C:B4:7A\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65:\n                01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8\n    Timestamp : May  7 02:03:14.841 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:39:33:9E:F1:0E:57:09:13:17:1A:FF:EE:\n                98:F0:54:56:CF:AA:B4:02:CE:76:0D:16:CB:42:6F:22:\n                82:D5:B6:88:02:20:1A:3C:BB:11:FA:9C:FA:FD:70:34:\n                0F:79:39:7B:68:F0:B2:9D:03:1E:4A:82:41:2D:70:FE:\n                9D:18:28:5C:8C:65"},"pem":"-----BEGIN 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CERTIFICATE-----\n"},"chain":[{"subject":{"C":"US","O":"DigiCert, Inc.","CN":"GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1"},"issuer":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"DigiCert Global Root G2"},"serial":"0F06BB09306148267FCA1B71C1DB807D","version":3,"valid_from":"2022-12-15T00:00:00+00:00","valid_to":"2032-12-14T23:59:59+00:00","validity":"valid_period","days_remaining":2230,"san":"","signature":"RSA-SHA256","sha256":"05:DC:9E:DC:0F:DD:FA:97:5A:14:32:EF:80:6E:C7:80:07:8B:53:62:AD:45:AF:76:DB:15:C9:07:63:0D:B2:5D","key_type":"RSA","key_bits":4096,"curve":null,"extensions":{"basicConstraints":"CA:TRUE, pathlen:0","subjectKeyIdentifier":"41:4E:8E:69:9D:F4:6E:25:EC:78:14:1C:7E:D7:CD:1D:99:CF:F9:6B","authorityKeyIdentifier":"4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39","keyUsage":"Digital Signature, Certificate Sign, CRL Sign","extendedKeyUsage":"TLS Web Server Authentication, TLS Web Client Authentication","authorityInfoAccess":"OCSP - 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CERTIFICATE-----\n"},{"subject":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"DigiCert Global Root G2"},"issuer":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"DigiCert Global Root CA"},"serial":"0FE032AB844D033106C50C8E13C8B068","version":3,"valid_from":"2024-01-18T00:00:00+00:00","valid_to":"2031-11-09T23:59:59+00:00","validity":"valid_period","days_remaining":1829,"san":"","signature":"RSA-SHA256","sha256":"79:D5:7B:15:DF:A6:5C:28:70:EA:FE:11:B6:37:76:59:09:CF:E9:37:B4:9C:15:CE:7F:19:40:30:CA:B3:95:AD","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"basicConstraints":"CA:TRUE","subjectKeyIdentifier":"4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39","authorityKeyIdentifier":"03:DE:50:35:56:D1:4C:BB:66:F0:A3:E2:1B:1B:C3:97:B2:3D:D1:55","keyUsage":"Digital Signature, Certificate Sign, CRL Sign","authorityInfoAccess":"OCSP - URI:http://ocsp.digicert.cn\nCA Issuers - 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CERTIFICATE-----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\npbo=\n-----END CERTIFICATE-----\n"}],"protocol":"TLSv1.3","cipher":"TLS_AES_128_GCM_SHA256","cipher_bits":128,"warnings":["The certificate expires within 30 days."],"attempts":[{"address":"106.75.79.228","verified":true,"error":null}],"checked_at":"2026-11-06T02:19:14+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}