{"domain":"groupon.com","port":443,"address":"104.18.12.36","resolved_addresses":["104.18.12.36","104.18.13.36","2606:4700::6812:c24","2606:4700::6812:d24"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"groupon.com"},"issuer":{"C":"US","O":"Google Trust Services","CN":"WR1"},"serial":"27F901CF7864A6A513ABE677BF36A930","version":3,"valid_from":"2026-09-27T10:01:26+00:00","valid_to":"2026-12-26T10:59:09+00:00","validity":"valid_period","days_remaining":70,"san":"DNS:groupon.com, DNS:cosai.groupon.com, DNS:*.cosai.groupon.com","signature":"RSA-SHA256","sha256":"0E:68:CA:8C:84:5F:A6:34:12:DE:EF:F9:7C:D2:D9:47:E0:FD:5C:E7:A5:2C:FF:56:6F:B7:3B:72:04:17:07:CB","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"keyUsage":"Digital Signature, Key Encipherment","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:FALSE","subjectKeyIdentifier":"B0:5B:E9:C1:1E:97:23:38:43:06:FE:6B:D6:84:99:D5:AF:72:42:FC","authorityKeyIdentifier":"66:69:49:D4:DE:2A:9C:91:03:CF:89:0E:24:B8:0E:30:03:6E:88:2E","authorityInfoAccess":"CA Issuers - URI:http://i.pki.goog/wr1.crt","subjectAltName":"DNS:groupon.com, DNS:cosai.groupon.com, DNS:*.cosai.groupon.com","certificatePolicies":"Policy: 2.23.140.1.2.1","crlDistributionPoints":"Full Name:\n  URI:http://c.pki.goog/wr1/mKooUibXfhE.crl\n","ct_precert_scts":"Signed 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 : Sep 27 11:01:27.302 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:DF:22:A8:7B:09:01:51:DA:CE:19:96:\n                15:76:1E:8D:B8:E1:80:DC:10:AE:E6:66:A2:B0:F3:D4:\n                30:92:E1:08:E7:02:21:00:C0:4C:78:85:46:0E:AD:AE:\n                18:B7:71:42:FA:B8:BC:D4:DC:0D:FB:CD:B3:9B:AE:C9:\n                E3:24:3F:D2:C8:6A:98:90\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E:\n                F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7\n    Timestamp : Sep 27 11:01:27.288 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:40:CD:AD:62:23:E2:BA:11:53:2A:1A:94:\n                ED:8B:55:98:FF:7B:68:40:CC:7A:FA:F8:3B:7D:9F:03:\n                17:35:03:E1:02:20:5D:7D:48:C9:E5:39:6F:1C:6C:8F:\n                2B:3C:B3:8F:1F:A5:74:0A:74:87:78:6C:36:B8:12:6E:\n                0F:80:4F:F3:BB:48"},"pem":"-----BEGIN CERTIFICATE-----\nMIIFIDCCBAigAwIBAgIQJ/kBz3hkpqUTq+Z3vzapMDANBgkqhkiG9w0BAQsFADA7\nMQswCQYDVQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMQww\nCgYDVQQDEwNXUjEwHhcNMjYwOTI3MTAwMTI2WhcNMjYxMjI2MTA1OTA5WjAWMRQw\nEgYDVQQDEwtncm91cG9uLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC\nggEBAMkbi0mO+dIQya6m5XfwUBrYRRbIVpGfOk82Feyjuk1Pa8uSztnHJrqgQ1mQ\nvtRj9Bxi+03bueH85eNSSeRFrz+LiBOJhvjfAMjoMqBAFs1qK8lymDvrN9LVfoBt\nMzsnpBeahTJx0wp2j2kHuYj0JNd+EJeR9K59EV4DieR+PYn9jhWryy9uTBuyaj9E\n3KKDw/Ri5adGJ7pxEa/uFgC9lyTm9OeTsXv4qDvYN3N7VVyPwwyTA4WkQPC5jdwE\nSWxiKMltTRjG8KFMViDGQ8h8qjtxTkeVmlam5uctyGHFzebT1SAhRMUetk2XLJ2W\n/RMmnVqnkPBNkTU8TPE2271r7PkCAwEAAaOCAkMwggI/MA4GA1UdDwEB/wQEAwIF\noDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSw\nW+nBHpcjOEMG/mvWhJnVr3JC/DAfBgNVHSMEGDAWgBRmaUnU3iqckQPPiQ4kuA4w\nA26ILjA1BggrBgEFBQcBAQQpMCcwJQYIKwYBBQUHMAKGGWh0dHA6Ly9pLnBraS5n\nb29nL3dyMS5jcnQwPgYDVR0RBDcwNYILZ3JvdXBvbi5jb22CEWNvc2FpLmdyb3Vw\nb24uY29tghMqLmNvc2FpLmdyb3Vwb24uY29tMBMGA1UdIAQMMAowCAYGZ4EMAQIB\nMDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jLnBraS5nb29nL3dyMS9tS29vVWli\nWGZoRS5jcmwwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdwDXbX0Q0af1d8LH6V/X\nAL/5gskzWmXh0LMBcxfAyMVpdwAAAaDihuiGAAAEAwBIMEYCIQDfIqh7CQFR2s4Z\nlhV2Ho244YDcEK7mZqKw89QwkuEI5wIhAMBMeIVGDq2uGLdxQvq4vNTcDfvNs5uu\nyeMkP9LIapiQAHUAyzj3FYl8hKFEX1vB3fvJbvKaWc1HCmkFhbDLFMMUWOcAAAGg\n4oboeAAABAMARjBEAiBAza1iI+K6EVMqGpTti1WY/3toQMx6+vg7fZ8DFzUD4QIg\nXX1IyeU5bxxsjys8s48fpXQKdId4bDa4Em4PgE/zu0gwDQYJKoZIhvcNAQELBQAD\nggEBAMeFawqjzhIifbfA7F+PpaBAnVcOCIwg3VPQJQizhSWa0chUmIBrTNFT8BvS\nQ3Pr85PNcBXffVRn1UKNuXtyd/0xIB85QCrjRs88uSo04nmrfZJl4uJPiMtg4QQE\nIhHBem9O5wx+RcWwMWbzOGtvSDsfR95kd3KOzdbsZzE7ObNjh0nuEzzSIiEsYApr\nA6pvctw1SWSq356uNo/SiOGl2Gmer1bDRDTvRTJVLiDOcDJ4gSqpsaqX0eB8eVcZ\nSdRKN07OcneCKivBlXcnJ0imRjml9TXIlycGh+lEgbdpfNoH2Xa0MR282OPM3rh8\nS/7X9hEs21naeKqjdFNPDoVCB6Q=\n-----END CERTIFICATE-----\n"},"chain":[{"subject":{"C":"US","O":"Google Trust Services","CN":"WR1"},"issuer":{"C":"US","O":"Google Trust Services LLC","CN":"GTS Root R1"},"serial":"7FD9E2C2D2048A0474B627A26D0868A7","version":3,"valid_from":"2023-12-13T09:00:00+00:00","valid_to":"2029-02-20T14:00:00+00:00","validity":"valid_period","days_remaining":857,"san":"","signature":"RSA-SHA256","sha256":"B1:0B:6F:00:E6:09:50:9E:87:00:F6:D3:46:87:A2:BF:CE:38:EA:05:A8:FD:F1:CD:C4:0C:3A:2A:0D:0D:0E:45","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"keyUsage":"Digital Signature, Certificate Sign, CRL Sign","extendedKeyUsage":"TLS Web Server Authentication, TLS Web Client Authentication","basicConstraints":"CA:TRUE, pathlen:0","subjectKeyIdentifier":"66:69:49:D4:DE:2A:9C:91:03:CF:89:0E:24:B8:0E:30:03:6E:88:2E","authorityKeyIdentifier":"E4:AF:2B:26:71:1A:2B:48:27:85:2F:52:66:2C:EF:F0:89:13:71:3E","authorityInfoAccess":"CA Issuers - 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URI:http://ocsp.pki.goog/gsr1\nCA Issuers - URI:http://pki.goog/gsr1/gsr1.crt","crlDistributionPoints":"Full Name:\n  URI:http://crl.pki.goog/gsr1/gsr1.crl\n","certificatePolicies":"Policy: 2.23.140.1.2.1\nPolicy: 2.23.140.1.2.2\nPolicy: 1.3.6.1.4.1.11129.2.5.3.2\nPolicy: 1.3.6.1.4.1.11129.2.5.3.3"},"pem":"-----BEGIN CERTIFICATE-----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\nd0lIKO2d1xozclOzgjXPYovJJIultzkMu34qQb9Sz/yilrbCgj8=\n-----END CERTIFICATE-----\n"}],"protocol":"TLSv1.3","cipher":"TLS_AES_128_GCM_SHA256","cipher_bits":128,"warnings":[],"attempts":[{"address":"104.18.12.36","verified":true,"error":null}],"checked_at":"2026-10-17T10:01:34+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}