{"domain":"caltech.edu","port":443,"address":"52.26.125.194","resolved_addresses":["52.26.125.194"],"verified":false,"verification":"Certificate verification failed","verification_error":"SSL operation failed with code 1. OpenSSL Error messages:\nerror:0A000086:SSL routines::certificate verify failed","certificate":{"subject":{"C":"US","ST":"California","O":"California Institute of Technology","CN":"caltech.edu"},"issuer":{"C":"US","O":"InCommon, LLC","CN":"InCommon RSA OV SSL CA 3"},"serial":"C76F8BC4F7CB03D077E84798E38DD109","version":3,"valid_from":"2026-06-12T00:00:00+00:00","valid_to":"2026-12-27T23:59:59+00:00","validity":"valid_period","days_remaining":53,"san":"DNS:caltech.edu, DNS:admissions.caltech.edu, DNS:alumni.caltech.edu, DNS:aphms.caltech.edu, DNS:bbe.caltech.edu, DNS:biology.caltech.edu, DNS:bond.caltech.edu, DNS:brinsonhub.caltech.edu, DNS:caltech.info, DNS:caltech.net, DNS:caltech.org, DNS:cd3.caltech.edu, DNS:cms.caltech.edu, DNS:cns.caltech.edu, DNS:csa.caltech.edu, DNS:eands.caltech.edu, DNS:eas.caltech.edu, DNS:ee.caltech.edu, DNS:einstein.caltech.edu, DNS:finaid.caltech.edu, DNS:galcit.caltech.edu, DNS:gps.caltech.edu, DNS:hpc.caltech.edu, DNS:hss.caltech.edu, DNS:imss.caltech.edu, DNS:jobs.caltech.edu, DNS:kiss.caltech.edu, DNS:lncrna.caltech.edu, DNS:mayo.caltech.edu, DNS:mems.caltech.edu, DNS:ogc.caltech.edu, DNS:pma.caltech.edu, DNS:quarantine.caltech.edu, DNS:registermydevice.caltech.edu, DNS:spamtrap.caltech.edu, DNS:srl.caltech.edu, DNS:studaff.caltech.edu, DNS:techer.caltech.edu, DNS:theory.caltech.edu, DNS:vis.caltech.edu, DNS:vision.caltech.edu, DNS:www.csa.caltech.edu, DNS:www.srl.caltech.edu, DNS:www.techer.caltech.edu","signature":"RSA-SHA256","sha256":"31:F2:C6:20:6E:A7:EA:B4:86:3A:D7:59:47:18:29:26:06:78:85:E2:1B:12:CD:37:A9:91:25:C0:51:48:F1:7C","key_type":"RSA","key_bits":2048,"curve":null,"extensions":{"authorityKeyIdentifier":"DA:22:37:3F:E5:D3:74:DA:D9:79:3E:D1:72:6D:D5:93:4B:20:37:AF","subjectKeyIdentifier":"1E:0A:1A:D2:AF:DB:EF:0A:3C:7F:60:12:0D:B6:91:D3:B9:9E:82:22","keyUsage":"Digital Signature, Key Encipherment","basicConstraints":"CA:FALSE","extendedKeyUsage":"TLS Web Server Authentication","certificatePolicies":"Policy: 2.23.140.1.2.2","crlDistributionPoints":"Full Name:\n  URI:http://crl.sectigo.com/InCommonRSAOVSSLCA3.crl\n","authorityInfoAccess":"CA Issuers - URI:http://crt.sectigo.com/InCommonRSAOVSSLCA3.crt\nOCSP - URI:http://ocsp.sectigo.com","ct_precert_scts":"Signed Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9:\n                82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77\n    Timestamp : Jun 12 17:28:37.102 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:46:02:21:00:8F:46:82:AC:65:FD:DD:C7:19:93:0B:\n                13:00:19:D3:27:7C:49:DD:56:93:35:F8:CC:1F:A0:7F:\n                A9:F4:29:5D:AE:02:21:00:EF:7E:D3:2A:7C:6E:45:3C:\n                30:D2:22:73:A4:18:24:92:36:D2:30:FD:A8:32:FD:2C:\n                28:96:DE:78:1F:EC:B3:C4\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D:\n                E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A\n    Timestamp : Jun 12 17:28:37.026 2026 GMT\n    Extensions: none\n    Signature : ecdsa-with-SHA256\n                30:45:02:21:00:C3:1E:B6:C4:EB:33:8C:9B:8F:38:8B:\n                5C:59:FE:6D:F0:13:B7:72:04:AA:A1:CB:44:D8:C0:3F:\n                E6:7C:AE:16:76:02:20:5F:D6:FD:E1:5E:A5:9D:AB:63:\n                C5:95:DC:28:40:7C:F2:53:31:7E:EE:E1:6E:E2:8B:8E:\n                96:E3:04:2E:46:56:EB\nSigned Certificate Timestamp:\n    Version   : v1 (0x0)\n    Log ID    : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46:\n                FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8\n    Timestamp : Jun 12 17:28:37.140 2026 GMT\n    Extensions: 00:00:05:00:03:B3:CC:6A\n    Signature : ecdsa-with-SHA256\n                30:44:02:20:72:8D:A4:9C:28:45:8B:11:BC:73:B2:99:\n                F1:EB:23:DA:30:09:AF:BA:B1:3C:E4:6E:7A:59:80:D4:\n                E5:B9:5D:0A:02:20:78:AA:AD:BC:3E:3F:F8:32:9B:CA:\n                BD:FB:FB:3E:38:E0:A2:0B:EB:DF:71:29:6D:AF:A0:CC:\n                6E:2E:D6:42:51:16","subjectAltName":"DNS:caltech.edu, DNS:admissions.caltech.edu, DNS:alumni.caltech.edu, DNS:aphms.caltech.edu, DNS:bbe.caltech.edu, DNS:biology.caltech.edu, DNS:bond.caltech.edu, DNS:brinsonhub.caltech.edu, DNS:caltech.info, DNS:caltech.net, DNS:caltech.org, DNS:cd3.caltech.edu, DNS:cms.caltech.edu, DNS:cns.caltech.edu, DNS:csa.caltech.edu, DNS:eands.caltech.edu, DNS:eas.caltech.edu, DNS:ee.caltech.edu, DNS:einstein.caltech.edu, DNS:finaid.caltech.edu, DNS:galcit.caltech.edu, DNS:gps.caltech.edu, DNS:hpc.caltech.edu, DNS:hss.caltech.edu, DNS:imss.caltech.edu, DNS:jobs.caltech.edu, DNS:kiss.caltech.edu, DNS:lncrna.caltech.edu, DNS:mayo.caltech.edu, DNS:mems.caltech.edu, DNS:ogc.caltech.edu, DNS:pma.caltech.edu, DNS:quarantine.caltech.edu, DNS:registermydevice.caltech.edu, DNS:spamtrap.caltech.edu, DNS:srl.caltech.edu, DNS:studaff.caltech.edu, DNS:techer.caltech.edu, DNS:theory.caltech.edu, DNS:vis.caltech.edu, DNS:vision.caltech.edu, DNS:www.csa.caltech.edu, DNS:www.srl.caltech.edu, DNS:www.techer.caltech.edu"},"pem":"-----BEGIN CERTIFICATE-----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\n4jQsyG8457zVJQmiGw0GqdIBk7kx\n-----END CERTIFICATE-----\n"},"chain":[],"protocol":"TLSv1.3","cipher":"TLS_AES_256_GCM_SHA384","cipher_bits":256,"warnings":["Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages:\nerror:0A000086:SSL routines::certificate verify failed"],"attempts":[{"address":"52.26.125.194","verified":false,"error":"SSL operation failed with code 1. OpenSSL Error messages:\nerror:0A000086:SSL routines::certificate verify failed"}],"checked_at":"2026-11-04T03:48:28+00:00","resolver":"Public DNS resolver","scope":"One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan."}