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THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.2

cisp.com · 64.254.131.170:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
CN=*.cisp.com
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-09-18T00:00:00+00:00
Expires
2027-04-04T23:59:59+00:00
Days remaining
187
Serial (hex)
FA83E0956E0CC1BAD38E3BD6F4151767
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.cisp.com, DNS:cisp.com

SHA-256 fingerprint

5F:F6:6E:00:53:A5:76:AC:69:57:89:1B:ED:62:D4:AC:F3:3F:2D:2B:C8:EC:CB:38:5B:DB:A9:79:C5:FB:35:32
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
78:93:F6:A1:7B:C1:E4:43:CB:EE:13:90:78:26:D8:E4:41:F3:D8:3C
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.cisp.com, DNS:cisp.com
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Sep 18 15:01:00.572 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F8:AE:16:B1:97:0D:85:33:73:86:9D: 65:21:73:87:8C:9B:FB:DB:6C:67:6E:42:7A:1C:D0:90: B1:B2:83:84:E0:02:20:1E:AA:2E:C3:F5:27:8B:FF:CD: 47:88:0D:1B:AD:18:8C:C9:0A:33:86:6B:73:6D:7B:82: 8B:8C:29:0B:5E:D3:6F Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 00:1A:5D:1A:1C:2D:93:75:B6:48:55:78:F8:2F:71:A1: AE:6E:EF:39:7D:29:7C:8A:E3:15:7B:CA:DE:E1:A0:1E Timestamp : Sep 18 15:01:01.063 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:55:BE:17:DE:BA:65:6D:4D:B4:92:CF:36: 29:01:0C:6C:8C:06:07:B2:80:EC:A4:8B:0C:2A:50:57: 06:AC:4C:0E:02:21:00:F2:27:65:A1:84:AD:2B:79:41: 53:8C:63:42:2A:A9:85:9B:42:E1:71:CD:60:12:7F:F4: 82:68:B9:CF:2B:45:21 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : ED:DA:EB:81:5C:63:21:34:49:B4:7B:E5:07:79:05:AB: D0:D9:31:47:C2:7A:C5:14:6B:3B:C5:8E:43:E9:B6:C7 Timestamp : Sep 18 15:01:01.319 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:88:F1:06:23:02:56:91:21:12:6D:92: D9:ED:B4:73:E9:BC:FA:37:21:F8:54:B6:22:41:33:2E: DF:FC:B3:45:B6:02:20:32:88:F1:92:AE:C2:38:B0:46: 25:28:77:2B:EF:52:A9:4F:81:01:DF:36:E2:9A:1D:29: 17:20:25:4B:81:4E:B4
-----BEGIN CERTIFICATE-----
MIIGeDCCBOCgAwIBAgIRAPqD4JVuDMG604471vQVF2cwDQYJKoZIhvcNAQELBQAw
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9BUVJ2/+vyf9AuyYvw8St+1wWtV/z5Mba1KjKQ==
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-29T20:42:58+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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