{"domain":"mail.cloudzone.com.vn","port":443,"address":"202.158.244.99","resolved_addresses":["202.158.244.99"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"mail.cloudzone.com.vn"},"issuer":{"C":"US","O":"Let's Encrypt","CN":"YR1"},"serial":"058DA551A6FCC232E545A721A4FF950C4416","version":3,"valid_from":"2026-10-06T05:01:33+00:00","valid_to":"2027-01-04T05:01:32+00:00","validity":"valid_period","days_remaining":77,"san":"DNS:mail.cloudzone.com.vn, DNS:mail.hosttiny.net, DNS:mail.sapvn.com.vn, DNS:mail.thanhdatgroup.vn, DNS:mail.vistar.vn","signature":"RSA-SHA256","sha256":"AE:13:18:EC:4A:17:29:2B:F8:37:41:CF:0B:4B:AD:04:30:17:F2:D9:D4:37:8E:73:CF:9D:8A:9E:57:35:BB:76","key_type":"RSA","key_bits":3072,"curve":null,"extensions":{"keyUsage":"Digital Signature, Key Encipherment","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:FALSE","subjectKeyIdentifier":"E2:FC:A7:13:6E:06:AE:6B:64:07:F9:C5:E9:12:6D:B4:D0:B6:3C:04","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."}