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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

TLSv1.3

planisys.com · 131.108.41.97:443

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
The certificate has expired.

Certificate verification failed

Subject
CN=*.planisys.com
Issuer
C=US O=Let's Encrypt CN=E6
Valid from
2025-04-16T12:04:05+00:00
Expires
2025-07-15T12:04:04+00:00
Days remaining
-443
Serial (hex)
052AD8D5D4951178767F409E2BE439AC1742
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:*.planisys.com

SHA-256 fingerprint

60:C1:02:DC:A8:69:E6:22:72:B1:68:35:7F:3D:C5:20:DB:C1:A4:9D:8D:3E:72:51:BB:65:07:67:B1:4C:A7:1C
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
82:4F:44:15:7F:04:A0:AF:53:F3:3B:F4:C0:5D:45:34:CF:51:7A:97
authorityKeyIdentifier
93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
authorityInfoAccess
OCSP - URI:http://e6.o.lencr.org CA Issuers - URI:http://e6.i.lencr.org/
subjectAltName
DNS:*.planisys.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://e6.c.lencr.org/67.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC: 47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34 Timestamp : Apr 16 13:02:35.835 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A5:8F:FA:C3:3B:E3:05:A9:7A:F4:DB: FB:2D:CA:A4:D4:6B:38:B9:DD:49:AE:DD:2B:A6:59:77: 12:4F:D1:2F:BE:02:20:65:BC:1F:75:14:F6:8F:63:C7: 29:A5:00:BB:61:7A:E1:4C:E5:1D:EB:A1:3C:6D:16:91: AA:46:68:24:ED:8E:27 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C: 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0 Timestamp : Apr 16 13:02:35.852 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D6:A0:F9:E4:05:57:B5:49:EA:F2:09: 52:BB:37:EF:CC:11:5F:04:08:F0:67:01:DD:AB:8F:81: 29:7F:81:55:DE:02:20:69:F6:7E:32:F4:1C:CD:6E:8A: 57:AE:85:EE:51:9C:BE:D1:7C:32:B5:8B:7A:EC:EA:0D: A6:02:36:A4:3B:A9:DE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-30T18:20:03+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=E6
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2024-03-13T00:00:00+00:00
Expires
2027-03-12T23:59:59+00:00
Days remaining
163
Serial (hex)
B0573E9173972770DBB487CB3A452B38
Signature
RSA-SHA256
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

76:E9:E2:88:AA:FC:0E:37:F4:39:0C:BF:94:6A:AD:99:7D:5C:1C:90:1B:3C:E5:13:D3:D8:FA:DB:AB:E2:AB:85
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
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: URI:http://x1.c.lencr.org/ 
-----BEGIN CERTIFICATE-----
MIIEVzCCAj+gAwIBAgIRALBXPpFzlydw27SHyzpFKzgwDQYJKoZIhvcNAQELBQAw
TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjQwMzEzMDAwMDAw
WhcNMjcwMzEyMjM1OTU5WjAyMQswCQYDVQQGEwJVUzEWMBQGA1UEChMNTGV0J3Mg
RW5jcnlwdDELMAkGA1UEAxMCRTYwdjAQBgcqhkjOPQIBBgUrgQQAIgNiAATZ8Z5G
h/ghcWCoJuuj+rnq2h25EqfUJtlRFLFhfHWWvyILOR/VvtEKRqotPEoJhC6+QJVV
6RlAN2Z17TJOdwRJ+HB7wxjnzvdxEP6sdNgA1O1tHHMWMxCcOrLqbGL0vbijgfgw
gfUwDgYDVR0PAQH/BAQDAgGGMB0GA1UdJQQWMBQGCCsGAQUFBwMCBggrBgEFBQcD
ATASBgNVHRMBAf8ECDAGAQH/AgEAMB0GA1UdDgQWBBSTJ0aYA6lRaI6Y1sRCSNsj
v1iU0jAfBgNVHSMEGDAWgBR5tFnme7bl5AFzgAiIyBpY9umbbjAyBggrBgEFBQcB
AQQmMCQwIgYIKwYBBQUHMAKGFmh0dHA6Ly94MS5pLmxlbmNyLm9yZy8wEwYDVR0g
BAwwCjAIBgZngQwBAgEwJwYDVR0fBCAwHjAcoBqgGIYWaHR0cDovL3gxLmMubGVu
Y3Iub3JnLzANBgkqhkiG9w0BAQsFAAOCAgEAfYt7SiA1sgWGCIpunk46r4AExIRc
MxkKgUhNlrrv1B21hOaXN/5miE+LOTbrcmU/M9yvC6MVY730GNFoL8IhJ8j8vrOL
pMY22OP6baS1k9YMrtDTlwJHoGby04ThTUeBDksS9RiuHvicZqBedQdIF65pZuhp
eDcGBcLiYasQr/EO5gxxtLyTmgsHSOVSBcFOn9lgv7LECPq9i7mfH3mpxgrRKSxH
pOoZ0KXMcB+hHuvlklHntvcI0mMMQ0mhYj6qtMFStkF1RpCG3IPdIwpVCQqu8GV7
s8ubknRzs+3C/Bm19RFOoiPpDkwvyNfvmQ14XkyqqKK5oZ8zhD32kFRQkxa8uZSu
h4aTImFxknu39waBxIRXE4jKxlAmQc4QjFZoq1KmQqQg0J/1JF8RlFvJas1VcjLv
YlvUB2t6npO6oQjB3l+PNf0DpQH7iUx3Wz5AjQCi6L25FjyE06q6BZ/QlmtYdl/8
ZYao4SRqPEs/6cAiF+Qf5zg2UkaWtDphl1LKMuTNLotvsX99HP69V2faNyegodQ0
LyTApr/vT01YPE46vNsDLgK+4cL6TrzC/a4WcmF5SRJ938zrv/duJHLXQIku5v0+
EwOy59Hdm0PT/Er/84dDV0CSjdR/2XuZM3kpysSKLgD1cKiDA+IRguODCxfO9cyY
Ig46v9mFmBvyH04=
-----END CERTIFICATE-----

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

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