{"domain":"mail2.zero-sys.net","port":443,"address":"95.216.26.215","resolved_addresses":["95.216.26.215"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"ubloit.zero-sys.net"},"issuer":{"C":"US","O":"Let's Encrypt","CN":"YE2"},"serial":"053027CAD4654887FF0E79F6A184EDCCB635","version":3,"valid_from":"2026-08-28T18:45:25+00:00","valid_to":"2026-11-26T18:45:24+00:00","validity":"valid_period","days_remaining":43,"san":"DNS:cl.freie-schule-elbehavelland.de, DNS:cl.zero-sys.de, DNS:cl.zero-sys.net, DNS:cl2.zero-sys.de, DNS:cl2.zero-sys.net, DNS:cloud.freie-schule-elbehavelland.de, DNS:imap.zero-sys.net, DNS:mail.zero-sys.net, DNS:mail2.zero-sys.net, DNS:mx.zero-sys.net, DNS:ncloud.freie-schule-elbehavelland.de, DNS:oo.freie-schule-elbehavelland.de, DNS:oo.zero-sys.de, DNS:oo.zero-sys.net, DNS:repo.zero-sys.net, DNS:repo2.zero-sys.net, DNS:smtp.zero-sys.net, DNS:ubloit.zero-sys.net, DNS:www.zero-sys.de, DNS:www.zero-sys.net, DNS:www2.zero-sys.de, DNS:www2.zero-sys.net, DNS:zero-sys.de, DNS:zero-sys.net","signature":"ecdsa-with-SHA384","sha256":"06:E5:B5:59:4C:24:C0:AB:5E:50:51:52:E4:FB:E0:12:00:BD:54:D6:60:5B:8F:83:5B:A0:DC:CA:AC:DB:93:6F","key_type":"EC","key_bits":256,"curve":"prime256v1","extensions":{"keyUsage":"Digital Signature","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:FALSE","subjectKeyIdentifier":"2D:5D:A6:94:90:FB:FA:FE:7E:7C:E0:B6:F1:6E:1C:1B:93:5A:68:49","authorityKeyIdentifier":"B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87","authorityInfoAccess":"CA Issuers - 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Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}