{"domain":"umd.edu","port":443,"address":"94.247.142.1","resolved_addresses":["94.247.142.1"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"umd.edu"},"issuer":{"C":"US","O":"Let's Encrypt","CN":"YE1"},"serial":"06723AFCF551C3EFBE8BD5CE57099121FF4F","version":3,"valid_from":"2026-08-01T10:23:11+00:00","valid_to":"2026-10-30T10:23:10+00:00","validity":"valid_period","days_remaining":39,"san":"DNS:umd.edu","signature":"ecdsa-with-SHA384","sha256":"D3:0C:5B:8A:C3:4B:5D:47:4A:AC:AF:7E:6D:D8:50:79:D4:CE:99:4B:09:CE:C0:7B:8C:11:C5:EF:11:99:EF:C2","key_type":"EC","key_bits":256,"curve":"prime256v1","extensions":{"keyUsage":"Digital Signature","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:FALSE","subjectKeyIdentifier":"51:D3:B4:AF:45:16:EA:FD:8C:59:21:5B:B2:35:FE:D6:71:1C:60:38","authorityKeyIdentifier":"BB:20:CA:47:0B:FE:D7:E5:9C:F9:8F:09:2A:A3:8C:37:45:B1:BC:D8","authorityInfoAccess":"CA Issuers - 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Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}