{"domain":"backbone.ch","port":443,"address":"212.117.221.169","resolved_addresses":["212.117.221.169","2a03:380::4469"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"backbone.ch"},"issuer":{"C":"US","O":"Let's Encrypt","CN":"YR2"},"serial":"062EBE60E61B082660593908AF70D898E500","version":3,"valid_from":"2026-08-30T20:19:59+00:00","valid_to":"2026-11-28T20:19:58+00:00","validity":"valid_period","days_remaining":43,"san":"DNS:backbone.ch","signature":"RSA-SHA256","sha256":"BF:1A:B5:4A:61:70:F3:3E:9D:F3:1C:FF:DD:99:1F:8A:26:9D:A9:4D:F9:97:22:8B:88:72:B5:B7:2D:0B:8B:2B","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"keyUsage":"Digital Signature, Key Encipherment","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:FALSE","subjectKeyIdentifier":"E6:58:F2:73:97:21:06:E8:AB:71:1B:69:33:61:51:D5:76:7D:1E:E1","authorityKeyIdentifier":"40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C","authorityInfoAccess":"CA Issuers - URI:http://yr2.i.lencr.org/","subjectAltName":"DNS:backbone.ch","certificatePolicies":"Policy: 2.23.140.1.2.1","crlDistributionPoints":"Full Name:\n  URI:http://yr2.c.lencr.org/1.crl\n","ct_precert_scts":"Signed Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9:\n                82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77\n    Timestamp : Aug 30 21:18:29.383 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:21:00:D7:B6:13:83:31:91:B2:5B:15:90:EC:\n                6B:CC:1A:5F:64:A3:30:15:1A:90:CC:19:87:66:30:56:\n                69:DF:3B:B2:46:02:20:3D:1E:C4:1A:77:36:03:A2:F2:\n                1B:85:17:E8:86:65:EF:25:BB:82:D8:6F:D3:12:19:1A:\n                DD:5E:04:CC:C8:8C:BD\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9:\n                1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A\n    Timestamp : Aug 30 21:18:30.032 2026 GMT\n    Extensions: 00:00:05:00:2A:7E:66:9B\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:F3:D3:50:68:FB:C8:0E:6E:B1:93:4B:\n                CC:4C:59:E3:8D:89:CF:70:D6:BA:3B:DC:EB:F3:F1:B3:\n                E7:2A:B2:9C:D9:02:21:00:8F:8E:65:E2:97:33:DD:92:\n                4A:C4:50:D2:B3:63:85:DE:D9:9E:56:11:F6:21:B6:0D:\n                C4:4C:4F:0E:FA:C0:29:90"},"pem":"-----BEGIN CERTIFICATE-----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\nPiCpxQ2SKhn0w9er3ygkzgCobmo=\n-----END CERTIFICATE-----\n"},"chain":[{"subject":{"C":"US","O":"Let's Encrypt","CN":"YR2"},"issuer":{"C":"US","O":"ISRG","CN":"Root YR"},"serial":"4EBD24947E24D394802D84A52FD5B319","version":3,"valid_from":"2025-09-03T00:00:00+00:00","valid_to":"2028-09-02T23:59:59+00:00","validity":"valid_period","days_remaining":687,"san":"","signature":"RSA-SHA256","sha256":"23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"keyUsage":"Digital Signature, Certificate Sign, CRL Sign","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:TRUE, pathlen:0","subjectKeyIdentifier":"40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C","authorityKeyIdentifier":"DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94","authorityInfoAccess":"CA Issuers - 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URI:http://x1.i.lencr.org/","certificatePolicies":"Policy: 2.23.140.1.2.1","crlDistributionPoints":"Full Name:\n  URI:http://x1.c.lencr.org/\n"},"pem":"-----BEGIN CERTIFICATE-----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\nyDFx8r7i9vIJU5HS3moZLkYWAOilMaV9N56A9Bgb6dNcHkvg3NoaYA==\n-----END CERTIFICATE-----\n"}],"protocol":"TLSv1.3","cipher":"TLS_AES_128_GCM_SHA256","cipher_bits":128,"warnings":[],"attempts":[{"address":"212.117.221.169","verified":true,"error":null}],"checked_at":"2026-10-16T15:16:03+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}