{"domain":"bb.org.bd","port":443,"address":"103.142.142.53","resolved_addresses":["103.142.142.53"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"C":"BD","L":"Dhaka","O":"BANGLADESH BANK","CN":"*.bb.org.bd"},"issuer":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"GeoTrust TLS RSA CA G1"},"serial":"052AB51A411B098BD9192AF3B797BF80","version":3,"valid_from":"2026-09-28T00:00:00+00:00","valid_to":"2027-04-14T23:59:59+00:00","validity":"valid_period","days_remaining":184,"san":"DNS:*.bb.org.bd, DNS:www.bb.org.bd, DNS:bb.org.bd","signature":"RSA-SHA256","sha256":"BF:FE:43:FF:AA:9A:61:B5:C3:93:00:CF:0C:88:4E:EE:45:CD:64:E1:83:A8:2D:D0:35:E0:D7:67:44:27:02:1C","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"authorityKeyIdentifier":"94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57","subjectKeyIdentifier":"41:84:59:E6:81:8F:ED:28:EA:BD:F3:9B:31:8D:E5:9F:46:B6:A9:60","subjectAltName":"DNS:*.bb.org.bd, DNS:www.bb.org.bd, DNS:bb.org.bd","certificatePolicies":"Policy: 2.23.140.1.2.2\n  CPS: http://www.digicert.com/CPS","keyUsage":"Digital Signature, Key Encipherment","extendedKeyUsage":"TLS Web Server Authentication, TLS Web Client Authentication","crlDistributionPoints":"Full Name:\n  URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl\n","authorityInfoAccess":"OCSP - URI:http://status.geotrust.com\nCA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.crt","basicConstraints":"CA:FALSE","ct_precert_scts":"Signed Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F:\n                AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26\n    Timestamp : Sep 28 10:23:54.419 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:20:46:99:FA:10:90:EE:2B:71:F8:5E:56:0E:\n                DF:06:B9:1E:C9:20:4D:64:FF:2B:9A:31:59:09:8D:C8:\n                5E:47:4A:B1:02:21:00:D3:53:72:4D:A2:B8:28:15:D6:\n                36:6D:5D:E9:E0:26:BD:41:7E:05:92:C2:74:D7:BA:C1:\n                3F:40:A6:2C:4C:E6:54\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF:\n                EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02\n    Timestamp : Sep 28 10:23:54.465 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:87:BA:05:07:1F:B0:6D:24:66:0F:59:\n                A6:B7:BD:59:8A:6B:C0:5B:33:8E:68:8E:D1:EC:46:1C:\n                5A:69:1C:BD:E8:02:21:00:B4:C3:26:53:2F:AF:77:10:\n                D6:8C:CE:15:0F:FA:F2:63:5E:10:B1:4B:A4:CE:1E:38:\n                92:D8:94:4A:A1:0E:2A:2A\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1:\n                BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66\n    Timestamp : Sep 28 10:23:54.484 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:88:E4:50:90:A3:75:55:51:34:68:46:\n                63:10:D0:EB:FE:CE:DF:EE:49:2E:AD:9F:C0:FE:74:3B:\n                82:98:CF:06:C3:02:21:00:8B:1C:45:5B:2F:01:55:80:\n                98:E1:1C:8F:FB:1E:97:F6:94:82:F8:80:3E:AB:09:14:\n                78:1C:0E:DE:44:1F:F5:8A"},"pem":"-----BEGIN 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CERTIFICATE-----\n"},"chain":[{"subject":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"GeoTrust TLS RSA CA G1"},"issuer":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"DigiCert Global Root G2"},"serial":"0D07782A133FC6F9A57296E131FFD179","version":3,"valid_from":"2017-11-02T12:23:37+00:00","valid_to":"2027-11-02T12:23:37+00:00","validity":"valid_period","days_remaining":386,"san":"","signature":"RSA-SHA256","sha256":"C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"subjectKeyIdentifier":"94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57","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","basicConstraints":"CA:TRUE, pathlen:0","authorityInfoAccess":"OCSP - URI:http://ocsp.digicert.com","crlDistributionPoints":"Full Name:\n  URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl\n","certificatePolicies":"Policy: X509v3 Any Policy\n  CPS: https://www.digicert.com/CPS"},"pem":"-----BEGIN 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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 G2"},"serial":"033AF1E6A711A9A0BB2864B11D09FAE5","version":3,"valid_from":"2013-08-01T12:00:00+00:00","valid_to":"2038-01-15T12:00:00+00:00","validity":"valid_period","days_remaining":4113,"san":"","signature":"RSA-SHA256","sha256":"CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"basicConstraints":"CA:TRUE","keyUsage":"Digital Signature, Certificate Sign, CRL Sign","subjectKeyIdentifier":"4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39"},"pem":"-----BEGIN CERTIFICATE-----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\nMrY=\n-----END CERTIFICATE-----\n"}],"protocol":"TLSv1.3","cipher":"TLS_AES_128_GCM_SHA256","cipher_bits":128,"warnings":[],"attempts":[{"address":"103.142.142.53","verified":true,"error":null}],"checked_at":"2026-10-12T02:16:57+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}