{"domain":"mailserver.webstrategy.de","port":443,"address":"212.6.181.244","resolved_addresses":["212.6.181.244"],"verified":true,"verification":"Certificate chain, hostname and dates verified using this server\u2019s CA store.","verification_error":null,"certificate":{"subject":{"CN":"mailserver.webstrategy.de"},"issuer":{"C":"US","O":"Let's Encrypt","CN":"YR2"},"serial":"05C43E2B0075F80B53A109DD1AF494F2D9A0","version":3,"valid_from":"2026-09-24T20:18:24+00:00","valid_to":"2026-12-23T20:18:23+00:00","validity":"valid_period","days_remaining":45,"san":"DNS:autoconfig.mailspice.com, DNS:autoconfig.martrexo.com, DNS:autoconfig.ts-verpackung.de, DNS:autoconfig.webstrategy.de, DNS:autoconfig.wepinski.de, DNS:autodiscover.mailspice.com, DNS:autodiscover.martrexo.com, DNS:autodiscover.ts-verpackung.de, DNS:autodiscover.webstrategy.de, DNS:autodiscover.wepinski.de, DNS:mailserver.ts-verpackung.de, DNS:mailserver.webstrategy.de, DNS:mta-sts.webstrategy.de","signature":"RSA-SHA256","sha256":"46:F9:6A:70:6E:B8:37:D7:7F:2D:C7:69:21:04:55:03:48:48:54:E2:44:0F:35:42:40:2F:80:DF:5E:0F:6D:20","key_type":"RSA","key_bits":4096,"curve":null,"extensions":{"keyUsage":"Digital Signature, Key Encipherment","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:FALSE","subjectKeyIdentifier":"54:41:C2:DC:D8:08:A7:BD:F9:25:D8:7D:C7:B0:18:59:5B:EC:57:4B","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:autoconfig.mailspice.com, DNS:autoconfig.martrexo.com, DNS:autoconfig.ts-verpackung.de, DNS:autoconfig.webstrategy.de, DNS:autoconfig.wepinski.de, DNS:autodiscover.mailspice.com, DNS:autodiscover.martrexo.com, DNS:autodiscover.ts-verpackung.de, DNS:autodiscover.webstrategy.de, DNS:autodiscover.wepinski.de, DNS:mailserver.ts-verpackung.de, DNS:mailserver.webstrategy.de, 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21:17:02.446 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:17:AE:49:5C:7C:A9:C0:1A:D3:D9:A0:6F:\n                05:06:57:2A:81:37:FA:C1:92:68:45:E4:EB:A2:72:AC:\n                23:FE:D9:A0:02:20:32:FA:46:ED:B2:09:64:8F:A5:11:\n                97:06:10:6B:94:57:41:C5:44:05:15:2D:D9:91:07:5E:\n                F6:99:22:70:2B:4C"},"pem":"-----BEGIN 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CERTIFICATE-----\n"},{"subject":{"C":"US","O":"ISRG","CN":"Root YR"},"issuer":{"C":"US","O":"Internet Security Research Group","CN":"ISRG Root X1"},"serial":"F24B6D17F9D9AD7CB1C9FEA78782699F","version":3,"valid_from":"2026-05-13T00:00:00+00:00","valid_to":"2032-09-02T23:59:59+00:00","validity":"valid_period","days_remaining":2125,"san":"","signature":"RSA-SHA256","sha256":"07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76","key_type":"RSA","key_bits":4096,"curve":null,"extensions":{"keyUsage":"Certificate Sign, CRL Sign","extendedKeyUsage":"TLS Web Server Authentication","basicConstraints":"CA:TRUE","subjectKeyIdentifier":"DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94","authorityKeyIdentifier":"79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E","authorityInfoAccess":"CA Issuers - URI:http://x1.i.lencr.org/","certificatePolicies":"Policy: 2.23.140.1.2.1","crlDistributionPoints":"Full Name:\n  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CERTIFICATE-----\n"}],"protocol":"TLSv1.3","cipher":"TLS_AES_256_GCM_SHA384","cipher_bits":256,"warnings":[],"attempts":[{"address":"212.6.181.244","verified":true,"error":null}],"checked_at":"2026-11-08T15:08:42+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}