{"domain":"facebook.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":"*.facebook.com"},"issuer":{"C":"US","O":"DigiCert Inc","CN":"DigiCert Global G2 TLS RSA SHA256 2020 CA1"},"serial":"06917D9F0E0974076C4157673B5865DD","version":3,"valid_from":"2026-08-02T00:00:00+00:00","valid_to":"2026-10-31T23:59:59+00:00","validity":"expiring_soon","days_remaining":8,"san":"DNS:*.facebook.com, DNS:*.facebook.net, DNS:*.fbcdn.net, DNS:*.fbsbx.com, DNS:*.m.facebook.com, DNS:*.messenger.com, DNS:*.xx.fbcdn.net, DNS:*.xy.fbcdn.net, DNS:*.xz.fbcdn.net, DNS:facebook.com, DNS:messenger.com","signature":"RSA-SHA256","sha256":"A1:63:06:DA:CD:17:18:DC:99:33:1F:32:98:88:B3:05:9C:47:AB:49:61:24:D0:1C:6E:4A:66:D6:28:4B:27:77","key_type":"EC","key_bits":256,"curve":"prime256v1","extensions":{"authorityKeyIdentifier":"74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17","subjectKeyIdentifier":"59:F8:69:01:A8:EE:43:62:FE:D9:0D:2F:44:B0:77:84:66:21:4F:4D","subjectAltName":"DNS:*.facebook.com, DNS:*.facebook.net, DNS:*.fbcdn.net, DNS:*.fbsbx.com, DNS:*.m.facebook.com, DNS:*.messenger.com, DNS:*.xx.fbcdn.net, DNS:*.xy.fbcdn.net, DNS:*.xz.fbcdn.net, DNS:facebook.com, DNS:messenger.com","certificatePolicies":"Policy: 2.23.140.1.2.2\n  CPS: http://www.digicert.com/CPS","keyUsage":"Digital Signature, Key Agreement","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 : Aug  2 00:14:09.527 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:20:69:CD:98:A7:ED:1D:D1:97:F5:17:22:C6:\n                A3:41:BE:B6:F8:95:CF:97:19:3F:6E:C2:E1:8B:91:DC:\n                C6:FF:52:0E:02:21:00:FF:40:FD:FD:5C:43:6A:A1:EF:\n                76:FF:38:58:55:CF:03:B2:2D:DF:3A:C7:FF:87:1C:A4:\n                D8:3C:68:E3:C9:6F:A0\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 : Aug  2 00:14:09.489 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:21:00:DA:36:C1:17:2D:CC:A4:BC:DB:52:CA:\n                1F:D3:11:A4:57:E6:16:BA:6A:D7:41:A4:53:92:27:87:\n                F3:75:8D:BE:58:02:20:1E:E7:28:1D:CA:6F:3F:45:7A:\n                DA:C6:7B:12:97:4A:AC:4B:2D:C6:6B:35:F0:1A:6D:6C:\n                65:D8:D4:22:04:47:58\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 : Aug  2 00:14:09.556 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:34:AB:A5:C0:A9:59:4E:54:3F:5E:2F:BB:\n                D1:62:38:E9:A3:C3:D1:F2:8E:ED:14:A6:8F:DD:25:5A:\n                E1:86:A0:24:02:20:17:57:46:5E:79:7C:EF:1F:C2:92:\n                94:06:23:D5:53:AC:5D:B6:85:C4:72:41:D1:CE:EB:31:\n                1E:8E:67:D3:21:F8"},"pem":"-----BEGIN CERTIFICATE-----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\nDQ/nIeXnI3np0NioUL+PnbCEMsdcwx3F9A==\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":1618,"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":"2026-10-23T18:48:03+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}