{"domain":"internext.cz","port":443,"address":"212.111.1.19","resolved_addresses":["212.111.1.19","2a00:e580:8::19"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"internext.cz"},"issuer":{"C":"US","O":"Let's Encrypt","CN":"YR2"},"serial":"06EBEB5C3C95F630E2BEDFDEBD658A9A9605","version":3,"valid_from":"2026-09-08T02:08:29+00:00","valid_to":"2026-12-07T02:08:28+00:00","validity":"valid_period","days_remaining":30,"san":"DNS:internext.cz, DNS:www.internext.cz","signature":"RSA-SHA256","sha256":"A6:AD:75:14:E0:2D:93:62:45:2B:69:01:DF:43:FC:47:00:7D:55:C8:47:0A:4E:4C:C5:F7:1E:95:EA:AF:BB:A7","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"keyUsage":"Digital Signature, Key Encipherment","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:FALSE","subjectKeyIdentifier":"81:3E:4F:0E:83:3E:92:5B:F4:B5:42:05:01:4A:C0:5B:F3:F7:DA:B5","authorityKeyIdentifier":"40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C","authorityInfoAccess":"CA Issuers - URI:http://yr2.i.lencr.org/","subjectAltName":"DNS:internext.cz, DNS:www.internext.cz","certificatePolicies":"Policy: 2.23.140.1.2.1","crlDistributionPoints":"Full Name:\n  URI:http://yr2.c.lencr.org/6.crl\n","ct_precert_scts":"Signed Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0:\n                D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F\n    Timestamp : Sep  8 03:07:00.152 2026 GMT\n    Extensions: 00:00:05:00:27:D5:2B:DB\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:60:BF:91:1C:6D:D5:EA:D4:91:BE:A2:5F:\n                24:1E:D2:62:F3:A7:14:74:CA:E9:C0:94:A0:BE:8D:18:\n                3D:89:99:A8:02:20:29:77:7C:1B:F7:F3:A8:3F:E3:99:\n                97:D5:40:E7:37:20:2A:4A:B1:A5:53:2C:06:99:D6:F9:\n                69:43:68:78:96:6C\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB:\n                81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A\n    Timestamp : Sep  8 03:07:02.127 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:AE:F0:03:26:A6:2A:98:CB:7E:1E:D9:\n                63:F4:B5:19:FE:F8:15:6D:D9:FF:94:D9:A0:15:95:83:\n                3C:5C:2A:E4:91:02:21:00:A5:73:48:7B:EA:43:42:EE:\n                F5:B7:D3:51:64:D0:A7:B7:A5:0C:74:5B:32:F5:02:C0:\n                68:7A:10:EC:B9:E5:20:15"},"pem":"-----BEGIN CERTIFICATE-----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\n8gpewKrLovNEHaqhiqpkWk7pyo31hOs/HnjHRiIi0RYJE/ldQ9Bx\n-----END CERTIFICATE-----\n"},"chain":[{"subject":{"C":"US","O":"Let's Encrypt","CN":"YR2"},"issuer":{"C":"US","O":"ISRG","CN":"Root YR"},"serial":"4EBD24947E24D394802D84A52FD5B319","version":3,"valid_from":"2025-09-03T00:00:00+00:00","valid_to":"2028-09-02T23:59:59+00:00","validity":"valid_period","days_remaining":666,"san":"","signature":"RSA-SHA256","sha256":"23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"keyUsage":"Digital Signature, Certificate Sign, CRL Sign","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:TRUE, pathlen:0","subjectKeyIdentifier":"40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C","authorityKeyIdentifier":"DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94","authorityInfoAccess":"CA Issuers - 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URI:http://x1.i.lencr.org/","certificatePolicies":"Policy: 2.23.140.1.2.1","crlDistributionPoints":"Full Name:\n  URI:http://x1.c.lencr.org/\n"},"pem":"-----BEGIN CERTIFICATE-----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\nyDFx8r7i9vIJU5HS3moZLkYWAOilMaV9N56A9Bgb6dNcHkvg3NoaYA==\n-----END CERTIFICATE-----\n"}],"protocol":"TLSv1.3","cipher":"TLS_AES_128_GCM_SHA256","cipher_bits":128,"warnings":[],"attempts":[{"address":"212.111.1.19","verified":true,"error":null}],"checked_at":"2026-11-06T12:35:30+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}