{"domain":"uss.com","port":443,"address":"170.191.2.22","resolved_addresses":["170.191.2.22"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"C":"US","ST":"Pennsylvania","L":"Pittsburgh","O":"UNITED STATES STEEL CORPORATION","CN":"www.ussteel.com"},"issuer":{"C":"US","O":"DigiCert Inc","CN":"DigiCert Global G2 TLS RSA SHA256 2020 CA1"},"serial":"0D2C63A79FE0D052C61B3D6947CCC810","version":3,"valid_from":"2025-12-31T00:00:00+00:00","valid_to":"2027-01-13T23:59:59+00:00","validity":"valid_period","days_remaining":75,"san":"DNS:www.ussteel.com, DNS:uss.com, DNS:ussteel.com, DNS:www.uss.com","signature":"RSA-SHA256","sha256":"7D:0D:C1:89:5C:34:DC:4E:8A:4B:F7:40:6C:61:36:0A:E7:1C:15:53:CD:C5:5F:33:E6:FF:B9:08:EF:D6:82:FC","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":"4A:13:F8:F4:6D:EC:07:46:33:95:B1:E0:92:88:CF:53:11:18:B2:D4","subjectAltName":"DNS:www.ussteel.com, DNS:uss.com, DNS:ussteel.com, DNS:www.uss.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    : 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 : Dec 31 13:31:49.453 2025 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:21:00:B6:D8:70:A4:50:68:29:0D:78:91:64:\n                F9:49:9B:74:0F:D1:E4:52:CB:05:CE:25:8F:63:55:E7:\n                62:71:C2:31:D9:02:20:41:1A:AA:BF:0A:33:F3:C5:0A:\n                F6:8B:6E:52:2E:46:6E:D3:4A:10:84:7C:E0:FE:C5:88:\n                A0:84:F3:FC:7D:DD:93\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 : Dec 31 13:31:49.503 2025 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:AC:A0:82:65:BA:84:FD:35:F0:A3:4F:\n                AF:35:99:BB:70:ED:6C:A6:7D:65:64:89:A5:0F:8B:0D:\n                7F:73:56:FB:8C:02:21:00:B6:4C:DE:21:56:9B:AD:2F:\n                73:7D:7C:DE:E6:08:F1:AF:FC:71:70:73:86:1E:B6:5B:\n                EB:0F:03:1F:5D:2A:D9:5F\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 : Dec 31 13:31:49.550 2025 GMT\n    Extensions: 00:00:05:00:00:E9:2E:52\n    Signature : ecdsa-with-SHA256\n                30:45:02:21:00:DA:43:28:03:5D:46:6B:9F:18:91:ED:\n                AB:03:63:BB:4E:AC:07:98:72:54:68:32:77:44:6B:D1:\n                80:93:2D:2D:3D:02:20:3C:D8:41:47:C3:16:DC:87:65:\n                C4:B4:10:9D:D2:E3:B4:BB:83:52:28:84:03:9B:F1:33:\n                5E:EB:90:A2:08:BE:2D"},"pem":"-----BEGIN CERTIFICATE-----\nMIIHDzCCBfegAwIBAgIQDSxjp5/g0FLGGz1pR8zIEDANBgkqhkiG9w0BAQsFADBZ\nMQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMTMwMQYDVQQDEypE\naWdpQ2VydCBHbG9iYWwgRzIgVExTIFJTQSBTSEEyNTYgMjAyMCBDQTEwHhcNMjUx\nMjMxMDAwMDAwWhcNMjcwMTEzMjM1OTU5WjB9MQswCQYDVQQGEwJVUzEVMBMGA1UE\nCBMMUGVubnN5bHZhbmlhMRMwEQYDVQQHEwpQaXR0c2J1cmdoMSgwJgYDVQQKEx9V\nTklURUQgU1RBVEVTIFNURUVMIENPUlBPUkFUSU9OMRgwFgYDVQQDEw93d3cudXNz\ndGVlbC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDBHD9NUer7\nbW+TIlu9VOnyKNI+rhKpCeLuOfdbzkYbGAtZI2Mc5PtNIp1NF8MrZg8VGjCYJPt9\ntpEYnD8OzOlwvTkIcMy6R1LLhpeIY/xV2CJcd+It3IZEv3yNQOexyjq2DPt6hcsB\ndntXQ77xeSGfhU7m9lYhqUL0mOKCdy5U8osybmaYjRg5RR9ok4jqhYYb9uKXkyk6\n38XX+d2ayvlqTybOgmQ2Uk5QDql6iitBnDfwbU7TiNGfcZk/hjyn3SMKPFZncTOT\nyS9GGEeNQSugU/E/J30VtWgQTl/THLI8cZnL+7HI4SbfawZ5BqaKWKttiVV0TaGJ\nKYfw+wrSjZ8rAgMBAAGjggOtMIIDqTAfBgNVHSMEGDAWgBR0hYDAZsffN97PvSk3\nqgMdvu3NFzAdBgNVHQ4EFgQUShP49G3sB0YzlbHgkojPUxEYstQwPQYDVR0RBDYw\nNIIPd3d3LnVzc3RlZWwuY29tggd1c3MuY29tggt1c3N0ZWVsLmNvbYILd3d3LnVz\ncy5jb20wPgYDVR0gBDcwNTAzBgZngQwBAgIwKTAnBggrBgEFBQcCARYbaHR0cDov\nL3d3dy5kaWdpY2VydC5jb20vQ1BTMA4GA1UdDwEB/wQEAwIFoDATBgNVHSUEDDAK\nBggrBgEFBQcDATCBnwYDVR0fBIGXMIGUMEigRqBEhkJodHRwOi8vY3JsMy5kaWdp\nY2VydC5jb20vRGlnaUNlcnRHbG9iYWxHMlRMU1JTQVNIQTI1NjIwMjBDQTEtMS5j\ncmwwSKBGoESGQmh0dHA6Ly9jcmw0LmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEdsb2Jh\nbEcyVExTUlNBU0hBMjU2MjAyMENBMS0xLmNybDCBhwYIKwYBBQUHAQEEezB5MCQG\nCCsGAQUFBzABhhhodHRwOi8vb2NzcC5kaWdpY2VydC5jb20wUQYIKwYBBQUHMAKG\nRWh0dHA6Ly9jYWNlcnRzLmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEdsb2JhbEcyVExT\nUlNBU0hBMjU2MjAyMENBMS0xLmNydDAMBgNVHRMBAf8EAjAAMIIBhwYKKwYBBAHW\neQIEAgSCAXcEggFzAXEAdgBMY9yY5Zwdq4j2Hoo93q6Pq0SjN3tfm5TD+6Gc/MG+\nJgAAAZt0m4tNAAAEAwBHMEUCIQC22HCkUGgpDXiRZPlJm3QP0eRSywXOJY9jVedi\nccIx2QIgQRqqvwoz88UK9otuUi5GbtNKEIR84P7FiKCE8/x93ZMAdwAcn2gs6frw\nRWlQ+BuWiofd2zIQ2EzmyLLjglJKxM9ZnwAAAZt0m4t/AAAEAwBIMEYCIQCsoIJl\nuoT9NfCjT681mbtw7WymfWVkiaUPiw1/c1b7jAIhALZM3iFWm60vc3183uYI8a/8\ncXBzhh62W+sPAx9dKtlfAH4AooEAGHNOF24dR+CVQPOBulRml81jqENQcW64CU7a\n8Q0AAAGbdJuLrgAIAAAFAADpLlIEAwBHMEUCIQDaQygDXUZrnxiR7asDY7tOrAeY\nclRoMndEa9GAky0tPQIgPNhBR8MW3IdlxLQQndLjtLuDUiiEA5vxM17rkKIIvi0w\nDQYJKoZIhvcNAQELBQADggEBAHgURYblWERULt3e4NZn3oYFLxlBZmcfQxzs8BRm\n5gq0Bx1yFE7beYGvb0bN2aAWa9S23iYDkHihZmRJ3MAYylOPBIswCu06qLm1f8El\nZyiQYIMs52GW+ILTjTl8npoZ8qS0+hW1Om/0m1LbvVvf2QS2pI7Jcu+0e9i+7M2x\nMMzE10UOBd5FfpXp8KTIHJHiR2ClwlVN6gdbHEFjiekyQfsnejd/KA7nrXIdRnCC\nI6pUwy0QaFpt+5TNCe2fHNYpNVjfPc57UAVE9whK70q4HM1ObgJcnjUBSFztGHIr\nryJhp2mAWekLdHhazHCBr9zTY/1W+H+OwOFGOWLvpsA5jjg=\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":1611,"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_256_GCM_SHA384","cipher_bits":256,"warnings":[],"attempts":[{"address":"170.191.2.22","verified":true,"error":null}],"checked_at":"2026-10-30T13:38:59+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}