{"domain":"nexttechbd.net","port":443,"address":"103.163.247.114","resolved_addresses":["103.163.247.114"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"nexttechbd.net"},"issuer":{"C":"US","O":"Let's Encrypt","CN":"YR2"},"serial":"067F6EAEC27FAEA4B29230B2E70B9915C1D2","version":3,"valid_from":"2026-10-18T22:34:07+00:00","valid_to":"2027-01-16T22:34:06+00:00","validity":"valid_period","days_remaining":86,"san":"DNS:mail.nexttechbd.net, DNS:nexttechbd.net, DNS:www.nexttechbd.net","signature":"RSA-SHA256","sha256":"E6:1F:3F:69:9B:E1:9D:47:D4:E9:46:EB:0C:63:A7:71:AA:6D:E3:8F:1F:33:43:C2:4C:01:60:E0:F3:92:B2:EC","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"keyUsage":"Digital Signature, Key Encipherment","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:FALSE","subjectKeyIdentifier":"07:47:FB:CD:71:88:44:B9:D7:22:CF:D2:72:4F:A7:7C:24:9F:3B:5E","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:mail.nexttechbd.net, DNS:nexttechbd.net, DNS:www.nexttechbd.net","certificatePolicies":"Policy: 2.23.140.1.2.1","crlDistributionPoints":"Full Name:\n  URI:http://yr2.c.lencr.org/83.crl\n","ct_precert_scts":"Signed Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 00:1A:5D:1A:1C:2D:93:75:B6:48:55:78:F8:2F:71:A1:\n                AE:6E:EF:39:7D:29:7C:8A:E3:15:7B:CA:DE:E1:A0:1E\n    Timestamp : Oct 18 23:32:38.036 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:C6:F9:10:39:15:7F:77:CE:7B:26:E3:\n                7B:C3:AE:2B:B2:8E:49:72:EC:0F:EB:03:D6:81:0A:2C:\n                A9:CD:42:83:63:02:21:00:E0:84:5E:AC:74:CE:81:DD:\n                70:FE:AD:0F:B1:36:2A:E5:02:26:5A:B8:20:24:F4:DA:\n                E4:09:78:2C:17:7A:C3:4F\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46:\n                FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8\n    Timestamp : Oct 18 23:32:38.723 2026 GMT\n    Extensions: 00:00:05:00:27:B1:E1:0E\n    Signature : ecdsa-with-SHA256\n                30:45:02:20:74:51:45:11:D6:21:3A:EF:56:A1:0E:E3:\n                0F:A9:F1:E1:D9:18:EE:8C:54:85:27:A8:9F:23:59:E4:\n                E1:88:C3:43:02:21:00:99:D5:60:BB:76:44:28:70:FB:\n                D1:21:DD:CD:CD:C5:9A:3C:BB:E0:E4:07:49:D8:15:2B:\n                56:46:59:DF:F4:B7:C3"},"pem":"-----BEGIN CERTIFICATE-----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\n13prgxDGrcN3yi5LE0ECpVu5D1g=\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":682,"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":"103.163.247.114","verified":true,"error":null}],"checked_at":"2026-10-21T23:09:46+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}