{"domain":"att.com","port":443,"address":"144.160.36.42","resolved_addresses":["144.160.36.42","144.160.155.43"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"C":"US","ST":"Texas","L":"Dallas","O":"AT and T Services, Inc.","CN":"att.com"},"issuer":{"C":"US","O":"DigiCert Inc","CN":"DigiCert Global G2 TLS RSA SHA256 2020 CA1"},"serial":"03B14D65D1C5FC3A80B089AE12A9A5A2","version":3,"valid_from":"2026-02-20T00:00:00+00:00","valid_to":"2027-03-23T23:59:59+00:00","validity":"valid_period","days_remaining":184,"san":"DNS:att.com, DNS:att.net","signature":"RSA-SHA256","sha256":"64:B4:41:1A:0D:82:0C:60:E0:A8:6F:A2:85:11:A0:3F:87:D3:1F:F2:EC:46:B0:C2:A6:FD:87:CC:72:65:2B:75","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":"17:54:E9:EA:F2:C9:FC:7D:82:9B:68:95:8A:4F:55:CA:EC:31:05:B1","subjectAltName":"DNS:att.com, DNS:att.net","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, TLS Web Client 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 : Feb 20 01:26:49.445 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:52:CF:71:DD:1B:A0:FF:47:BB:2E:73:47:\n                53:9F:77:1A:FA:06:C4:0D:AD:EA:01:E4:86:0F:4D:FF:\n                80:E0:E7:F2:02:20:1F:E2:5A:DC:7A:8B:AF:2A:D6:9B:\n                7D:27:B7:2F:6F:37:15:B2:DC:05:5C:EB:42:38:F3:1C:\n                FB:6D:88:7D:C5:40\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF:\n                EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02\n    Timestamp : Feb 20 01:26:49.351 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:20:60:34:D9:24:8B:E7:17:7A:13:E2:D7:5C:\n                69:03:F6:5B:83:B2:20:F3:3E:6D:D9:79:8E:EF:2D:6C:\n                0F:51:4E:01:02:21:00:92:94:E2:8D:AF:DD:6C:47:D5:\n                B8:04:4A:E9:EE:F8:22:37:58:66:75:34:F3:7F:13:4B:\n                1A:D9:7C:95:49:02:3B\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1:\n                BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66\n    Timestamp : Feb 20 01:26:49.424 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:20:05:51:66:45:6A:33:19:EB:F8:16:23:27:\n                6E:D5:46:5C:04:72:D3:66:21:BA:F6:D7:48:AE:AD:67:\n                7B:45:FB:C5:02:21:00:D2:79:38:97:15:F8:33:A1:9E:\n                B3:0E:7B:2C:A8:F9:12:79:7F:A5:E9:0D:E5:A1:E2:3A:\n                2C:D8:6C:A3:54:E4:D1"},"pem":"-----BEGIN CERTIFICATE-----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\n7l0wrtHM4ase/PRGPz1ds4N/I47ZIQ==\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":1651,"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"},{"subject":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"DigiCert Global Root G2"},"issuer":{"C":"US","O":"DigiCert Inc","OU":"www.digicert.com","CN":"DigiCert Global Root G2"},"serial":"033AF1E6A711A9A0BB2864B11D09FAE5","version":3,"valid_from":"2013-08-01T12:00:00+00:00","valid_to":"2038-01-15T12:00:00+00:00","validity":"valid_period","days_remaining":4135,"san":"","signature":"RSA-SHA256","sha256":"CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"basicConstraints":"CA:TRUE","keyUsage":"Digital Signature, Certificate Sign, CRL Sign","subjectKeyIdentifier":"4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39"},"pem":"-----BEGIN CERTIFICATE-----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\nMrY=\n-----END CERTIFICATE-----\n"}],"protocol":"TLSv1.2","cipher":"ECDHE-RSA-AES128-GCM-SHA256","cipher_bits":128,"warnings":[],"attempts":[{"address":"144.160.36.42","verified":true,"error":null}],"checked_at":"2026-09-20T05:46:16+00:00","resolver":"Google Public DNS","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}