{"domain":"bt.com","port":443,"address":"45.60.65.23","resolved_addresses":["45.60.65.23","45.60.72.23"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"jurisdictionC":"GB","businessCategory":"Private Organization","serialNumber":"01800000","C":"GB","L":"LONDON","O":"British Telecommunications Public Limited Company","CN":"www.bt.com"},"issuer":{"C":"US","O":"DigiCert Inc","CN":"GeoTrust EV RSA CA G2"},"serial":"0941A65C20B94FFB07E4056AC854BA53","version":3,"valid_from":"2026-02-10T00:00:00+00:00","valid_to":"2027-03-04T23:59:59+00:00","validity":"valid_period","days_remaining":146,"san":"DNS:www.bt.com, DNS:assets.bt.com, DNS:bt.com, DNS:care.bt.com, DNS:img01.bt.co.uk, DNS:img01.products.bt.co.uk, DNS:products.bt.com, DNS:productsandservices.bt.com, DNS:www.btcom.ll-digital-prod1.bt.com, DNS:www.btcom.ll-digital-prod2.bt.com, DNS:www.info.bt.com, DNS:www.products.bt.com, DNS:www.productsandservices.bt.com, DNS:www.thephonebook.bt.com","signature":"RSA-SHA256","sha256":"CC:64:91:62:AF:95:49:8B:36:69:67:27:C5:C1:5E:C8:4B:90:FB:39:4F:22:05:4F:6E:92:9F:16:16:0A:7C:34","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"authorityKeyIdentifier":"28:D2:CF:EE:09:84:75:DD:B5:B2:B5:BF:3C:D5:A0:C6:73:88:5D:1F","subjectKeyIdentifier":"AA:BB:02:A3:8A:ED:0F:4C:CF:93:1A:01:AA:85:F3:16:7F:6E:3A:1F","subjectAltName":"DNS:www.bt.com, DNS:assets.bt.com, DNS:bt.com, DNS:care.bt.com, DNS:img01.bt.co.uk, DNS:img01.products.bt.co.uk, DNS:products.bt.com, DNS:productsandservices.bt.com, DNS:www.btcom.ll-digital-prod1.bt.com, DNS:www.btcom.ll-digital-prod2.bt.com, DNS:www.info.bt.com, DNS:www.products.bt.com, DNS:www.productsandservices.bt.com, DNS:www.thephonebook.bt.com","certificatePolicies":"Policy: 2.16.840.1.114412.2.1\nPolicy: 2.23.140.1.1\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://crl3.digicert.com/GeoTrustEVRSACAG2.crl\n\nFull Name:\n  URI:http://crl4.digicert.com/GeoTrustEVRSACAG2.crl\n","authorityInfoAccess":"OCSP - URI:http://ocsp.digicert.com\nCA Issuers - URI:http://cacerts.digicert.com/GeoTrustEVRSACAG2.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 : Feb 10 14:36:26.413 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:21:00:F0:1B:CB:E3:7A:AF:90:D0:28:D4:B5:\n                A9:8D:B1:2A:AE:EB:C5:2F:06:27:E3:82:A7:B9:3D:04:\n                D5:C9:F4:B9:F5:02:20:0A:35:EB:19:6F:3B:CB:18:6B:\n                A8:47:20:60:84:75:70:E9:5B:5F:BE:65:48:DB:DE:DD:\n                26:13:6B:23:EA:A9:D7\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD:\n                DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F\n    Timestamp : Feb 10 14:36:26.348 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:A8:88:A0:9D:60:26:80:95:2A:2C:E6:\n                26:82:C1:20:1D:E2:6A:90:CF:BF:FD:B3:8B:0F:F4:F0:\n                C4:2D:36:6C:18:02:21:00:F8:9C:84:F7:99:9B:D0:F1:\n                68:5C:FC:9C:AC:3D:0D:C8:5D:BD:6B:4B:C9:F9:E0:89:\n                56:A4:17:15:DC:6C:72:AD\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA:\n                54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D\n    Timestamp : Feb 10 14:36:26.550 2026 GMT\n    Extensions: 00:00:05:00:02:5A:E1:91\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:C1:B7:88:8D:3B:DC:FB:61:E0:7D:F1:\n                21:5E:34:0D:15:B1:D0:7A:AE:81:58:89:B9:A3:EA:E0:\n                E1:12:7E:1B:72:02:21:00:EF:51:64:FD:A1:86:A3:89:\n                00:BD:F4:CB:A4:7E:A2:F7:E5:FF:D6:8F:B7:69:C3:8E:\n                63:26:F9:BB:A8:E3:C0:98"},"pem":"-----BEGIN CERTIFICATE-----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\nm1nbwxGgfR5HiTC+xdGdRuY1CO4GWjsAL/MMBwzxGp4uwcOMkZTVU4oAZc4=\n-----END CERTIFICATE-----\n"},"chain":[{"subject":{"C":"US","O":"DigiCert Inc","CN":"GeoTrust EV RSA CA G2"},"issuer":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"DigiCert Global Root G2"},"serial":"0D601262C8A7721A6EAB0361E5619580","version":3,"valid_from":"2020-07-02T12:42:57+00:00","valid_to":"2030-07-02T12:42:57+00:00","validity":"valid_period","days_remaining":1362,"san":"","signature":"RSA-SHA256","sha256":"2D:14:0F:20:B8:A9:6E:2B:4D:2F:1C:C5:AC:A5:E5:A1:E7:DC:56:A7:49:1E:51:09:06:96:0F:38:D2:D2:1A:EF","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"subjectKeyIdentifier":"28:D2:CF:EE:09:84:75:DD:B5:B2:B5:BF:3C:D5:A0:C6:73:88:5D:1F","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\nFull Name:\n  URI:http://crl4.digicert.com/DigiCertGlobalRootG2.crl\n","certificatePolicies":"Policy: X509v3 Any Policy\n  CPS: https://www.digicert.com/CPS\n  User Notice:\n    Explicit Text: Any use of this Certificate constitutes acceptance of the Relying Party Agreement located at https://www.digicert.com/rpa-ua"},"pem":"-----BEGIN CERTIFICATE-----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\n-----END CERTIFICATE-----\n"}],"protocol":"TLSv1.3","cipher":"TLS_AES_128_GCM_SHA256","cipher_bits":128,"warnings":[],"attempts":[{"address":"45.60.65.23","verified":true,"error":null}],"checked_at":"2026-10-09T04:08:07+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}