{"domain":"opti9tech.com","port":443,"address":"209.200.45.50","resolved_addresses":["209.200.45.50"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"*.opti9tech.com"},"issuer":{"C":"GB","O":"Sectigo Limited","CN":"Sectigo Public Server Authentication CA DV R36"},"serial":"8CF77C5D161DF5789F00FC565E43D09F","version":3,"valid_from":"2026-01-04T00:00:00+00:00","valid_to":"2027-02-04T23:59:59+00:00","validity":"valid_period","days_remaining":101,"san":"DNS:*.opti9tech.com, DNS:opti9tech.com","signature":"RSA-SHA256","sha256":"3F:61:53:0F:AD:AC:3B:11:12:9E:44:C5:BB:2B:77:F6:9F:F7:82:5A:89:11:02:6B:1F:B9:53:A3:79:5E:56:88","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"authorityKeyIdentifier":"68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27","subjectKeyIdentifier":"42:BA:C1:F6:10:26:8C:BD:DE:B3:66:C2:EE:EE:D7:28:6C:61:65:A0","keyUsage":"Digital Signature, Key Encipherment","basicConstraints":"CA:FALSE","extendedKeyUsage":"TLS Web Server Authentication","certificatePolicies":"Policy: 1.3.6.1.4.1.6449.1.2.2.7\n  CPS: https://sectigo.com/CPS\nPolicy: 2.23.140.1.2.1","authorityInfoAccess":"CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt\nOCSP - URI:http://ocsp.sectigo.com","subjectAltName":"DNS:*.opti9tech.com, DNS:opti9tech.com","ct_precert_scts":"Signed Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99:\n                EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9\n    Timestamp : Jan  4 15:30:41.745 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:E7:66:B6:75:B6:D0:91:5A:80:1E:DA:\n                19:9E:B6:74:78:2C:21:50:89:07:10:5C:DA:A6:8F:4A:\n                7A:74:C9:5C:EF:02:21:00:EE:11:06:C5:AC:AC:6E:E1:\n                7A:D7:B1:02:66:03:72:CB:22:80:BF:CE:61:57:EA:1F:\n                8E:90:74:C7:CB:82:D9:1C\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46:\n                FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8\n    Timestamp : Jan  4 15:30:42.185 2026 GMT\n    Extensions: 00:00:05:00:01:0B:EA:9B\n    Signature : ecdsa-with-SHA256\n                30:45:02:20:26:88:F5:E1:B8:97:DF:1A:21:47:8F:95:\n                8E:49:03:1D:87:ED:5A:6A:57:E8:AB:4C:28:F7:15:87:\n                CD:98:6C:0F:02:21:00:86:56:A9:30:7D:8C:F9:6A:6B:\n                0C:F4:CB:CA:B7:C1:EC:62:69:95:4F:AF:BA:87:69:BF:\n                31:5C:F5:D3:04:5E:16\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90:\n                4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59\n    Timestamp : Jan  4 15:30:42.050 2026 GMT\n    Extensions: 00:00:05:00:00:07:7C:90\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:B2:98:E8:3E:81:B9:6F:40:46:9A:7A:\n                A3:32:E4:50:A4:8C:5E:0C:24:C2:86:14:89:01:21:83:\n                77:8F:9F:DD:7F:02:21:00:B0:00:C1:59:B3:EC:82:DD:\n                2B:3F:0E:80:EF:4D:4A:A2:C1:13:B7:06:2F:1F:BC:57:\n                14:2A:5A:C9:65:83:86:3F"},"pem":"-----BEGIN 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CERTIFICATE-----\n"},"chain":[{"subject":{"C":"GB","O":"Sectigo Limited","CN":"Sectigo Public Server Authentication CA DV R36"},"issuer":{"C":"GB","O":"Sectigo Limited","CN":"Sectigo Public Server Authentication Root R46"},"serial":"397A66CC2756362E0DAA87CA6EABE3B1","version":3,"valid_from":"2021-03-22T00:00:00+00:00","valid_to":"2036-03-21T23:59:59+00:00","validity":"valid_period","days_remaining":3434,"san":"","signature":"RSA-SHA384","sha256":"8C:54:C3:34:B6:6B:A4:E4:26:77:2A:F4:A3:F9:13:6C:19:A1:AE:C7:29:FD:B2:8C:53:5C:07:A5:A4:EF:22:E0","key_type":"RSA","key_bits":3072,"curve":null,"extensions":{"authorityKeyIdentifier":"56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49","subjectKeyIdentifier":"68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27","keyUsage":"Digital Signature, Certificate Sign, CRL Sign","basicConstraints":"CA:TRUE, pathlen:0","extendedKeyUsage":"TLS Web Server Authentication, TLS Web Client Authentication","certificatePolicies":"Policy: X509v3 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CERTIFICATE-----\n"},{"subject":{"C":"US","ST":"New Jersey","L":"Jersey City","O":"The USERTRUST Network","CN":"USERTrust RSA Certification Authority"},"issuer":{"C":"US","ST":"New Jersey","L":"Jersey City","O":"The USERTRUST Network","CN":"USERTrust RSA Certification Authority"},"serial":"01FD6D30FCA3CA51A81BBC640E35032D","version":3,"valid_from":"2010-02-01T00:00:00+00:00","valid_to":"2038-01-18T23:59:59+00:00","validity":"valid_period","days_remaining":4102,"san":"","signature":"RSA-SHA384","sha256":"E7:93:C9:B0:2F:D8:AA:13:E2:1C:31:22:8A:CC:B0:81:19:64:3B:74:9C:89:89:64:B1:74:6D:46:C3:D4:CB:D2","key_type":"RSA","key_bits":4096,"curve":null,"extensions":{"subjectKeyIdentifier":"53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB","keyUsage":"Certificate Sign, CRL Sign","basicConstraints":"CA:TRUE"},"pem":"-----BEGIN 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CERTIFICATE-----\n"}],"protocol":"TLSv1.3","cipher":"TLS_AES_256_GCM_SHA384","cipher_bits":256,"warnings":[],"attempts":[{"address":"209.200.45.50","verified":true,"error":null}],"checked_at":"2026-10-26T10:48:50+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}