{"domain":"mheducation.com","port":443,"address":"44.216.77.161","resolved_addresses":["44.216.77.161","44.213.21.238","54.158.119.124"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"www.ecom-ady.prod.mheducation.com"},"issuer":{"C":"US","O":"Amazon","CN":"Amazon RSA 2048 M04"},"serial":"081AE8BDD3160A246608C769ADC9E36E","version":3,"valid_from":"2026-09-02T00:00:00+00:00","valid_to":"2027-03-18T23:59:59+00:00","validity":"valid_period","days_remaining":135,"san":"DNS:www.ecom-ady.prod.mheducation.com, DNS:ss-test-prod.ecom-ady.prod.mheducation.com, DNS:www.mheducation.com, DNS:redi-test.mcgrawhill.com, DNS:redi.mcgrawhill.com, DNS:www-prod.ecom-ady.prod.mheducation.com, DNS:www-test-prod.ecom-ady.prod.mheducation.com, DNS:mheducation.com, DNS:ss-prod.ecom-ady.prod.mheducation.com","signature":"RSA-SHA256","sha256":"16:6C:95:82:9F:EE:EE:DD:C8:54:FA:BF:7F:96:09:6D:25:53:2C:9B:D4:E0:5E:88:8B:F6:D6:CF:8A:EE:CD:B3","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"authorityKeyIdentifier":"1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08","subjectKeyIdentifier":"CB:D5:78:EC:86:C8:EB:F0:9B:D2:89:4C:63:45:07:97:61:D2:A0:D0","subjectAltName":"DNS:www.ecom-ady.prod.mheducation.com, DNS:ss-test-prod.ecom-ady.prod.mheducation.com, DNS:www.mheducation.com, DNS:redi-test.mcgrawhill.com, DNS:redi.mcgrawhill.com, DNS:www-prod.ecom-ady.prod.mheducation.com, DNS:www-test-prod.ecom-ady.prod.mheducation.com, DNS:mheducation.com, DNS:ss-prod.ecom-ady.prod.mheducation.com","certificatePolicies":"Policy: 2.23.140.1.2.1","keyUsage":"Digital Signature, Key Encipherment","extendedKeyUsage":"TLS Web Server Authentication","crlDistributionPoints":"Full Name:\n  URI:http://crl.r2m04.amazontrust.com/r2m04.crl\n","authorityInfoAccess":"OCSP - URI:http://ocsp.r2m04.amazontrust.com\nCA Issuers - URI:http://crt.r2m04.amazontrust.com/r2m04.cer","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 : Sep  2 05:31:42.718 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:4D:1B:8C:6B:54:22:4D:EB:69:46:E5:91:\n                14:03:21:64:41:87:BE:5A:30:E2:B7:88:C2:BA:54:E2:\n                4D:71:0D:ED:02:20:18:1A:DF:2E:81:C3:2A:4E:88:DC:\n                09:A5:8A:CB:2A:BB:B6:6F:F2:01:18:31:AD:1E:CE:57:\n                90:EC:8B:6C:67:CF\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 : Sep  2 05:31:42.708 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:75:E1:4D:5D:CA:6C:BD:B6:D8:A6:B6:3F:\n                A7:71:0F:17:F6:52:57:8D:7C:E3:05:F2:B7:0F:3E:6B:\n                C5:8E:58:F4:02:20:5D:49:2D:69:BD:D0:70:98:FA:91:\n                8A:49:6D:4F:E5:1B:DD:41:8A:C8:A5:58:9D:D1:CD:B5:\n                DE:FF:55:D1:CE:7E\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 : Sep  2 05:31:42.760 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:4B:10:04:EB:81:AF:F2:D6:76:DA:4F:AF:\n                B2:B4:22:E8:CB:5D:1D:56:E2:BB:B4:63:9C:3A:05:25:\n                E4:7C:16:65:02:20:75:1E:BD:3E:8C:A4:49:E0:98:6A:\n                50:67:ED:CC:69:4A:76:56:4A:66:8C:7A:14:3B:83:A4:\n                B7:23:84:97:C2:58"},"pem":"-----BEGIN CERTIFICATE-----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\nKkXISswgRonog3pQhBLKaSDZvxygaCgLdeh8b2QcLzGAu5zhuu0D0A==\n-----END CERTIFICATE-----\n"},"chain":[{"subject":{"C":"US","O":"Amazon","CN":"Amazon RSA 2048 M04"},"issuer":{"C":"US","O":"Amazon","CN":"Amazon Root CA 1"},"serial":"0773124F2A952E3ED18A58BDB85D1BC0CE5F27","version":3,"valid_from":"2022-08-23T22:26:35+00:00","valid_to":"2030-08-23T22:26:35+00:00","validity":"valid_period","days_remaining":1389,"san":"","signature":"RSA-SHA256","sha256":"13:8B:DF:6E:23:AC:97:1E:B4:E6:26:B2:79:DD:6A:26:F0:57:51:0F:1D:E3:94:29:3A:5E:EA:28:60:DE:01:9B","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"basicConstraints":"CA:TRUE, pathlen:0","keyUsage":"Digital Signature, Certificate Sign, CRL Sign","extendedKeyUsage":"TLS Web Server Authentication, TLS Web Client Authentication","subjectKeyIdentifier":"1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08","authorityKeyIdentifier":"84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08","authorityInfoAccess":"OCSP - URI:http://ocsp.rootca1.amazontrust.com\nCA Issuers - URI:http://crt.rootca1.amazontrust.com/rootca1.cer","crlDistributionPoints":"Full Name:\n  URI:http://crl.rootca1.amazontrust.com/rootca1.crl\n","certificatePolicies":"Policy: 2.23.140.1.2.1"},"pem":"-----BEGIN CERTIFICATE-----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\nGJkV29Di2j5prHJbwZjG1inU\n-----END CERTIFICATE-----\n"},{"subject":{"C":"US","O":"Amazon","CN":"Amazon Root CA 1"},"issuer":{"C":"US","ST":"Arizona","L":"Scottsdale","O":"Starfield Technologies, Inc.","CN":"Starfield Services Root Certificate Authority - G2"},"serial":"067F944A2A27CDF3FAC2AE2B01F908EEB9C4C6","version":3,"valid_from":"2015-05-25T12:00:00+00:00","valid_to":"2037-12-31T01:00:00+00:00","validity":"valid_period","days_remaining":4075,"san":"","signature":"RSA-SHA256","sha256":"87:DC:D4:DC:74:64:0A:32:2C:D2:05:55:25:06:D1:BE:64:F1:25:96:25:80:96:54:49:86:B4:85:0B:C7:27:06","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"basicConstraints":"CA:TRUE","keyUsage":"Digital Signature, Certificate Sign, CRL Sign","subjectKeyIdentifier":"84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08","authorityKeyIdentifier":"9C:5F:00:DF:AA:01:D7:30:2B:38:88:A2:B8:6D:4A:9C:F2:11:91:83","authorityInfoAccess":"OCSP - URI:http://ocsp.rootg2.amazontrust.com\nCA Issuers - URI:http://crt.rootg2.amazontrust.com/rootg2.cer","crlDistributionPoints":"Full Name:\n  URI:http://crl.rootg2.amazontrust.com/rootg2.crl\n","certificatePolicies":"Policy: X509v3 Any Policy"},"pem":"-----BEGIN CERTIFICATE-----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\nakcjMS9cmvqtmg5iUaQqqcT5NJ0hGA==\n-----END CERTIFICATE-----\n"}],"protocol":"TLSv1.2","cipher":"ECDHE-RSA-AES128-GCM-SHA256","cipher_bits":128,"warnings":[],"attempts":[{"address":"44.216.77.161","verified":true,"error":null}],"checked_at":"2026-11-03T12:34:55+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}