{"domain":"stackmail.com","port":443,"address":"45.8.227.100","resolved_addresses":["45.8.227.100"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"*.stackmail.com"},"issuer":{"C":"US","O":"Let's Encrypt","CN":"YR1"},"serial":"06FD080478111F97EF4F98B72FBEF85431BA","version":3,"valid_from":"2026-08-20T11:59:57+00:00","valid_to":"2026-11-18T11:59:56+00:00","validity":"valid_period","days_remaining":50,"san":"DNS:*.stackmail.com, DNS:stackmail.com","signature":"RSA-SHA256","sha256":"E4:CF:7D:B2:D5:26:84:DA:2B:34:EC:EF:83:EC:05:44:48:90:C8:5D:AB:B9:A1:2B:8B:FC:38:EC:E7:17:74:AF","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"keyUsage":"Digital Signature, Key Encipherment","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:FALSE","subjectKeyIdentifier":"8A:CB:B5:35:47:56:A5:D4:E0:AF:65:36:4B:A9:68:D9:5E:54:64:60","authorityKeyIdentifier":"1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB","authorityInfoAccess":"CA Issuers - 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Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}