{"domain":"fb.com","port":443,"address":"57.144.222.1","resolved_addresses":["57.144.222.1","2a03:2880:f36f:1:face:b00c:0:25de"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"C":"US","ST":"California","L":"Menlo Park","O":"Meta Platforms, Inc.","CN":"*.fb.com"},"issuer":{"C":"US","O":"DigiCert Inc","CN":"DigiCert Global G2 TLS RSA SHA256 2020 CA1"},"serial":"07879CA0CB7BD026D3F38BDED3F1DA5F","version":3,"valid_from":"2026-07-06T00:00:00+00:00","valid_to":"2026-10-04T23:59:59+00:00","validity":"expiring_soon","days_remaining":8,"san":"DNS:*.fb.com, DNS:fb.com","signature":"RSA-SHA256","sha256":"C2:75:32:40:56:EE:E8:84:B6:8A:0D:18:33:D6:48:82:1D:F1:1F:14:DD:4F:81:5C:A8:34:A5:64:21:28:A5:E9","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"authorityKeyIdentifier":"74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17","subjectKeyIdentifier":"23:D0:38:5D:22:86:54:8B:A6:F6:DA:15:CE:10:E9:73:C9:57:0B:88","subjectAltName":"DNS:*.fb.com, DNS:fb.com","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","crlDistributionPoints":"Full Name:\n  URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl\n\nFull Name:\n  URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl\n","authorityInfoAccess":"OCSP - URI:http://ocsp.digicert.com\nCA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt","basicConstraints":"CA:FALSE","ct_precert_scts":"Signed Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB:\n                C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD\n    Timestamp : Jul  6 00:36:55.141 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:21:00:CE:54:2C:E9:1B:33:65:14:51:9D:73:\n                03:82:39:97:96:99:9D:02:8D:3C:17:67:86:DC:FA:6A:\n                03:D6:2D:D9:D3:02:20:3E:68:7D:02:F3:23:9D:17:A9:\n                60:B3:2E:FA:C7:FF:1B:2C:D6:1D:64:0F:CE:46:D8:04:\n                C1:DB:AA:9A:A0:1C:E4\nSigned 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 : Jul  6 00:36:55.265 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:77:36:CA:70:8C:96:B4:3F:9B:DE:DD:50:\n                DC:37:FC:89:A1:7D:CF:E5:28:94:D0:B8:F7:6F:3B:8F:\n                2E:7A:F1:F8:02:20:7F:32:E1:36:8A:66:FE:FA:D2:A9:\n                4D:75:2D:E1:64:4A:96:CB:45:FF:61:0E:C4:DB:A2:EC:\n                BF:46:02:A8:2F:B5\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 : Jul  6 00:36:55.152 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:20:13:DD:9A:A3:EC:A8:D3:CD:E9:17:49:CA:\n                0A:19:3E:B9:93:E8:D3:B3:EB:96:D0:F9:0E:EE:90:E4:\n                38:B6:75:49:02:21:00:8F:D6:3A:E9:64:31:5C:7E:03:\n                A3:45:F6:DF:FB:69:6B:4D:19:BD:7C:68:C3:C3:E8:66:\n                75:7F:5B:76:A3:D5:18"},"pem":"-----BEGIN CERTIFICATE-----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\nya2hEf8WTqEjVs2to3/hFiI5Qw==\n-----END CERTIFICATE-----\n"},"chain":[{"subject":{"C":"US","O":"DigiCert Inc","CN":"DigiCert Global G2 TLS RSA SHA256 2020 CA1"},"issuer":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"DigiCert Global Root G2"},"serial":"0CF5BD062B5602F47AB8502C23CCF066","version":3,"valid_from":"2021-03-30T00:00:00+00:00","valid_to":"2031-03-29T23:59:59+00:00","validity":"valid_period","days_remaining":1645,"san":"","signature":"RSA-SHA256","sha256":"C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"basicConstraints":"CA:TRUE, pathlen:0","subjectKeyIdentifier":"74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17","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 - URI:http://ocsp.digicert.com\nCA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt","crlDistributionPoints":"Full Name:\n  URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl\n","certificatePolicies":"Policy: 2.16.840.1.114412.2.1\nPolicy: 2.23.140.1.1\nPolicy: 2.23.140.1.2.1\nPolicy: 2.23.140.1.2.2\nPolicy: 2.23.140.1.2.3"},"pem":"-----BEGIN CERTIFICATE-----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\nJCqVJUzKoZHm1Lesh3Sz8W2jmdv51b2EQJ8HmA==\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":"57.144.222.1","verified":true,"error":null}],"checked_at":"2026-09-26T19:16:50+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}