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THE CERTIFICATE BEHIND THE CONNECTION

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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

abakus.de · 5.183.50.46:443

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=*.abakus.de
Issuer
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Domain Validation CA SHA2
Valid from
2024-03-01T08:04:57+00:00
Expires
2025-03-01T08:04:56+00:00
Days remaining
-594
Serial (hex)
03640B899E2E5E95226019F64BE7921B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.abakus.de, DNS:abakus.de

SHA-256 fingerprint

0D:9E:26:39:1C:94:50:A8:73:0F:17:DB:F4:15:D0:1F:13:DC:49:93:B8:8E:E5:8B:E1:47:72:37:F1:5F:B2:C9
Certificate extensions & PEM
basicConstraints
CA:FALSE
crlDistributionPoints
Full Name: URI:http://crl.certum.pl/dvcasha2.crl
authorityInfoAccess
OCSP - URI:http://dvcasha2.ocsp-certum.com CA Issuers - URI:http://repository.certum.pl/dvcasha2.cer
authorityKeyIdentifier
E5:31:AD:BF:3A:11:96:F4:83:BC:50:3C:D4:B7:90:9B:90:EE:DE:25
subjectKeyIdentifier
DD:16:1C:D5:00:F6:76:04:B0:16:25:23:FB:A5:A2:0F:C7:4B:47:CC
issuerAltName
email:dvcasha2@certum.pl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.2.616.1.113527.2.5.1.3 CPS: https://www.certum.pl/CPS
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
keyUsage
Digital Signature, Key Encipherment
subjectAltName
DNS:*.abakus.de, DNS:abakus.de
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53: D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7 Timestamp : Mar 1 08:04:58.310 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1F:2D:DC:D0:69:60:DD:BD:A7:50:29:97: CB:F2:F1:EE:FE:1E:1C:E1:5D:07:07:44:45:85:4C:DF: 28:3A:CB:03:02:21:00:99:BD:6C:AE:20:A2:C3:F4:C2: 31:61:C2:16:BE:8A:C5:16:BD:04:0D:62:87:D5:F6:70: 8F:08:7B:61:6D:3C:BA Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0: 87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8 Timestamp : Mar 1 08:04:58.342 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A1:AD:18:EA:00:0E:6E:D9:65:E9:1C: 9B:7E:CB:E2:DF:BB:2F:14:8F:D2:24:5E:C7:EF:C4:EC: 52:9F:2D:7B:FF:02:20:65:36:A1:BE:4C:D9:EA:76:04: 9B:D0:17:66:CE:48:4C:89:C1:E0:F6:79:8A:D8:62:DA: AC:10:AA:9D:8C:85:83 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB: 1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF Timestamp : Mar 1 08:04:58.308 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:67:FF:F9:A6:79:AC:64:D7:93:E7:0C:24: 06:EB:05:84:F4:B5:30:F6:B3:B9:F4:1B:F6:50:42:73: FD:05:CD:C6:02:20:73:CC:CA:FA:BF:D7:4A:EC:D9:05: 30:B6:30:B7:AD:31:F9:31:6D:AB:EC:BF:7A:26:7B:DA: 15:16:64:B6:77:6D
-----BEGIN CERTIFICATE-----
MIIGYDCCBUigAwIBAgIQA2QLiZ4uXpUiYBn2S+eSGzANBgkqhkiG9w0BAQsFADCB
hTELMAkGA1UEBhMCUEwxIjAgBgNVBAoTGVVuaXpldG8gVGVjaG5vbG9naWVzIFMu
QS4xJzAlBgNVBAsTHkNlcnR1bSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTEpMCcG
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ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALsinACzZ5y8sGtR8O4DkZjP
MmgYVCVzoDisrlGtbfDZeOF32/9AMgMnlyIOdWQ+Q0aWT5mFUaPdaVgpR3JksElp
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63cwFMWhsI7xiz+D3M/qUscFY84XOFSseCy5EzvtBAXvyIUyMBRlMab4hT9bjw6u
X3ox50Vmthf2r56G4xdITeVnwKW45aE5cKZL9g0N0Px3HvNsy6lVqz9bgmdFvNkC
AwEAAaOCAzgwggM0MAwGA1UdEwEB/wQCMAAwMgYDVR0fBCswKTAnoCWgI4YhaHR0
cDovL2NybC5jZXJ0dW0ucGwvZHZjYXNoYTIuY3JsMHEGCCsGAQUFBwEBBGUwYzAr
BggrBgEFBQcwAYYfaHR0cDovL2R2Y2FzaGEyLm9jc3AtY2VydHVtLmNvbTA0Bggr
BgEFBQcwAoYoaHR0cDovL3JlcG9zaXRvcnkuY2VydHVtLnBsL2R2Y2FzaGEyLmNl
cjAfBgNVHSMEGDAWgBTlMa2/OhGW9IO8UDzUt5CbkO7eJTAdBgNVHQ4EFgQU3RYc
1QD2dgSwFiUj+6WiD8dLR8wwHQYDVR0SBBYwFIESZHZjYXNoYTJAY2VydHVtLnBs
MEsGA1UdIAREMEIwCAYGZ4EMAQIBMDYGCyqEaAGG9ncCBQEDMCcwJQYIKwYBBQUH
AgEWGWh0dHBzOi8vd3d3LmNlcnR1bS5wbC9DUFMwHQYDVR0lBBYwFAYIKwYBBQUH
AwEGCCsGAQUFBwMCMA4GA1UdDwEB/wQEAwIFoDAhBgNVHREEGjAYggsqLmFiYWt1
cy5kZYIJYWJha3VzLmRlMIIBfQYKKwYBBAHWeQIEAgSCAW0EggFpAWcAdgCi4wrk
Re+9rZt+OO1HZ3dT14JbhJTXK14bLMS5UKRH5wAAAY35C4VGAAAEAwBHMEUCIB8t
3NBpYN29p1Apl8vy8e7+HhzhXQcHREWFTN8oOssDAiEAmb1sriCiw/TCMWHCFr6K
xRa9BA1ih9X2cI8Ie2FtPLoAdgB9WR4S4XgqexxhZ3xe/fjQh1wUoE6VnrkDL9kO
jC55uAAAAY35C4VmAAAEAwBHMEUCIQChrRjqAA5u2WXpHJt+y+Lfuy8Uj9IkXsfv
xOxSny17/wIgZTahvkzZ6nYEm9AXZs5ITInB4PZ5ithi2qwQqp2MhYMAdQBOdaMn
XJoQwzhbbNTfP1LrHfDgjhuNacCx+mSxYpo53wAAAY35C4VEAAAEAwBGMEQCIGf/
+aZ5rGTXk+cMJAbrBYT0tTD2s7n0G/ZQQnP9Bc3GAiBzzMr6v9dK7NkFMLYwt60x
+TFtq+y/eiZ72hUWZLZ3bTANBgkqhkiG9w0BAQsFAAOCAQEABrrJpx/s7KZSyP27
BdqyoeTlJMTVB7lTdW/0G+mx4HQpFVr+IWmR/Ru4t4kiyRhlVZNrA0SWjtk5YFTV
8hmeQm4D4RpXRZOy6tyNmC1MekLIjMKz7Rkq92+oeljoHudVG2Ko51rssYj4ceoz
HNTOTQX0dUZlss8b3yY1ofS6vWYopzOyvSI9CBfsVfEpxACq7//1NVHTnLGzbkeh
LhQxciNEkruz941qD0trg2RZXTLrxxJ5qq836rWSsKr8T5scrO9I+pwjPb0rLmBO
pb+DY4OdKxdNmtkyIzjqHZqW74pijvfaMx5bXGfah7GRDpHmlw4AsR46ratT84iy
iU3rkA==
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-15T10:46:59+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Domain Validation CA SHA2
Issuer
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Trusted Network CA
Valid from
2014-09-11T12:00:00+00:00
Expires
2027-06-09T10:46:39+00:00
Days remaining
236
Serial (hex)
26DDD22B46C9C44D5A694D39807E72AD
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

12:9F:B5:DE:50:1E:24:04:1C:D1:4A:81:07:5F:D1:CD:E2:57:40:8D:4A:35:3E:63:69:12:E3:8B:DD:A2:D3:FB
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
E5:31:AD:BF:3A:11:96:F4:83:BC:50:3C:D4:B7:90:9B:90:EE:DE:25
authorityKeyIdentifier
08:76:CD:CB:07:FF:24:F6:C5:CD:ED:BB:90:BC:E2:84:37:46:75:F7
keyUsage
Certificate Sign, CRL Sign
crlDistributionPoints
Full Name: URI:http://crl.certum.pl/ctnca.crl
authorityInfoAccess
OCSP - URI:http://subca.ocsp-certum.com CA Issuers - URI:http://repository.certum.pl/ctnca.cer
certificatePolicies
Policy: X509v3 Any Policy CPS: http://www.certum.pl/CPS
-----BEGIN CERTIFICATE-----
MIIEzjCCA7agAwIBAgIQJt3SK0bJxE1aaU05gH5yrTANBgkqhkiG9w0BAQsFADB+
MQswCQYDVQQGEwJQTDEiMCAGA1UEChMZVW5pemV0byBUZWNobm9sb2dpZXMgUy5B
LjEnMCUGA1UECxMeQ2VydHVtIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MSIwIAYD
VQQDExlDZXJ0dW0gVHJ1c3RlZCBOZXR3b3JrIENBMB4XDTE0MDkxMTEyMDAwMFoX
DTI3MDYwOTEwNDYzOVowgYUxCzAJBgNVBAYTAlBMMSIwIAYDVQQKExlVbml6ZXRv
IFRlY2hub2xvZ2llcyBTLkEuMScwJQYDVQQLEx5DZXJ0dW0gQ2VydGlmaWNhdGlv
biBBdXRob3JpdHkxKTAnBgNVBAMTIENlcnR1bSBEb21haW4gVmFsaWRhdGlvbiBD
QSBTSEEyMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoSVj343kIAfZ
VNHRBPYX4j5H+8N0JbjEvxISvOBw0TkFwhez94JwoE4H/hAq/9sNRl4klKOLRZ8Y
m85CxK7bgzO8wru0MLanN4d4e0jLJSyCuwpIEmB2ieyOzI8eUkjphgJawrCKfIU9
2f9gTzNspqGgheHXU/LqJz1lqXLBCIPMsCWcEUYk4D70p+/tUbFlk0K09uaGChB5
MjZYsmuo3NV6Hp0U7kDnskZMvZopwuz4MMFiAiriHINi0IU2GoPeEoQpZe/SMr4x
YEKoz/jd6tBWRx29dpYkE+e+2Zkr+jBk8Yo4eqbhKpYCsJ262I9tTnqUaX2wk6p0
5ZOQE/qimQIDAQABo4IBPjCCATowDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQU
5TGtvzoRlvSDvFA81LeQm5Du3iUwHwYDVR0jBBgwFoAUCHbNywf/JPbFze27kLzi
hDdGdfcwDgYDVR0PAQH/BAQDAgEGMC8GA1UdHwQoMCYwJKAioCCGHmh0dHA6Ly9j
cmwuY2VydHVtLnBsL2N0bmNhLmNybDBrBggrBgEFBQcBAQRfMF0wKAYIKwYBBQUH
MAGGHGh0dHA6Ly9zdWJjYS5vY3NwLWNlcnR1bS5jb20wMQYIKwYBBQUHMAKGJWh0
dHA6Ly9yZXBvc2l0b3J5LmNlcnR1bS5wbC9jdG5jYS5jZXIwOQYDVR0gBDIwMDAu
BgRVHSAAMCYwJAYIKwYBBQUHAgEWGGh0dHA6Ly93d3cuY2VydHVtLnBsL0NQUzAN
BgkqhkiG9w0BAQsFAAOCAQEAur/w4d1NK0JDZFjfZPP/gBpfVr47qbJ291R6TDDB
mSRLctLK1PoIxpDeiBLt+JD5/KmE/ZLyeOXbySJXq0EwQmsLn9dzM/sBZxxCXI8n
Z8duBwONDpbLCgPMPviHPDUwzRiM1XHdzd1hsBOjZEZO/nFOa2XpFATyP6i9DDY9
Kl2eB/LCT5DFXk0YN9EnKICkNuXKk2plDviTua9SWEt6cdi68+/S8/ail+RdFAKa
y+WutpPhI5+bP0b37o6hAFtmwx5oI4YPXXe6U635UvtwFcV16895rUl88nZirkQv
xV9RNCVBahIKX46uEMRDiTX97P8x5uweh+k6fClQRUGjFA==
-----END CERTIFICATE-----

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

View certificate JSON

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