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

TLSv1.3

ceesoft.pl · 94.152.44.155:443

Verified
The certificate expires within 30 days.

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=*.ceesoft.pl
Issuer
C=PL O=Asseco Data Systems S.A. CN=Certum DV TLS G2 R39 CA
Valid from
2025-11-17T06:46:26+00:00
Expires
2026-11-17T06:46:25+00:00
Days remaining
19
Serial (hex)
6CB16C2EADE02DFEA32E5086070DE61F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.ceesoft.pl, DNS:ceesoft.pl

SHA-256 fingerprint

F2:2D:EC:49:DF:9F:06:5C:84:8C:18:61:A6:55:3B:A7:6D:9F:83:A3:09:8D:F2:A2:9B:D9:60:93:4D:6A:DD:AB
Certificate extensions & PEM
basicConstraints
CA:FALSE
crlDistributionPoints
Full Name: URI:http://certumdvtlsg2r39ca.crl.certum.pl/certumdvtlsg2r39ca.crl
authorityInfoAccess
OCSP - URI:http://certumdvtlsg2r39ca.ocsp-certum.com CA Issuers - URI:http://certumdvtlsg2r39ca.repository.certum.pl/certumdvtlsg2r39ca.cer
authorityKeyIdentifier
33:A8:77:B7:01:38:6F:5F:1F:24:24:A2:1E:6C:14:E3:6E:22:03:DF
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.2.616.1.113527.2.101.1
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
keyUsage
Digital Signature, Key Encipherment
subjectAltName
DNS:*.ceesoft.pl, DNS:ceesoft.pl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Nov 17 06:47:06.508 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:7F:F3:94:EA:76:A2:E8:A0:06:90:33:26: 00:1B:1F:2C:EA:1F:81:98:AC:C7:B3:AF:94:BF:E0:7E: 9A:B1:D9:73:02:21:00:D8:FA:AC:20:D2:29:DA:3E:A6: CE:A3:4C:66:8E:70:0C:C0:5B:19:D1:4E:8C:4D:2C:45: 74:55:BB:0A:CC:1E:02 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Nov 17 06:47:06.130 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:8D:D1:F0:0F:91:45:89:E1:FC:56:12: A6:ED:56:06:37:E0:B0:AF:7C:C1:D0:FB:50:98:A8:8C: FE:8B:42:C7:1C:02:21:00:EB:40:89:83:24:0C:AB:1D: D9:C2:DF:97:E0:A8:9E:F8:DA:1E:38:04:BA:40:C6:8B: 44:BA:B8:8D:47:05:27:21 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Nov 17 06:47:06.104 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:61:C7:98:D5:72:C1:09:14:DD:55:01:7C: 86:B0:4B:72:05:4C:F8:EA:22:5E:53:54:35:AD:20:BD: 11:5A:44:05:02:20:55:6F:1B:84:4D:3D:2A:94:4B:C0: D7:CA:26:B1:4F:58:4B:3A:4D:91:C0:3F:78:CE:A4:0D: 96:91:8F:24:85:AE
-----BEGIN CERTIFICATE-----
MIIIDzCCBfegAwIBAgIQbLFsLq3gLf6jLlCGBw3mHzANBgkqhkiG9w0BAQsFADBS
MQswCQYDVQQGEwJQTDEhMB8GA1UECgwYQXNzZWNvIERhdGEgU3lzdGVtcyBTLkEu
MSAwHgYDVQQDDBdDZXJ0dW0gRFYgVExTIEcyIFIzOSBDQTAeFw0yNTExMTcwNjQ2
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DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAMvG+JJLHowKOaUoHvvvsGC1Su+K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Dg9lTh+TCrL5RsfPAgMBAAGjggMaMIIDFjAMBgNVHRMBAf8EAjAAME8GA1UdHwRI
MEYwRKBCoECGPmh0dHA6Ly9jZXJ0dW1kdnRsc2cycjM5Y2EuY3JsLmNlcnR1bS5w
bC9jZXJ0dW1kdnRsc2cycjM5Y2EuY3JsMIGaBggrBgEFBQcBAQSBjTCBijA1Bggr
BgEFBQcwAYYpaHR0cDovL2NlcnR1bWR2dGxzZzJyMzljYS5vY3NwLWNlcnR1bS5j
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gBQzqHe3AThvXx8kJKIebBTjbiID3zAhBgNVHSAEGjAYMAgGBmeBDAECATAMBgoq
hGgBhvZ3AmUBMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAOBgNVHQ8B
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fgYKKwYBBAHWeQIEAgSCAW4EggFqAWgAdgDCMX5XRRmjRe5/ON6ykEHrx8IhWiK/
f9W1rXaa2Q5SzQAAAZqQkTQMAAAEAwBHMEUCIH/zlOp2ouigBpAzJgAbHyzqH4GY
rMezr5S/4H6asdlzAiEA2PqsINIp2j6mzqNMZo5wDMBbGdFOjE0sRXRVuwrMHgIA
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8qaMTzwrO6ceAsMAAAGakJEyeAAABAMARjBEAiBhx5jVcsEJFN1VAXyGsEtyBUz4
6iJeU1Q1rSC9EVpEBQIgVW8bhE09KpRLwNfKJrFPWEs6TZHAP3jOpA2WkY8kha4w
DQYJKoZIhvcNAQELBQADggIBAEhmOQgZYpVkamEyxg205pJAx1/Url32L9jYSc4c
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Vg08BVBN2iHzT6pogeB6RHJsL8wWnkfSB9H9vpRCWm6LvZ8qYZKveIdzcU4Grx8l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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-29T00:07:49+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=PL O=Asseco Data Systems S.A. CN=Certum DV TLS G2 R39 CA
Issuer
C=PL O=Asseco Data Systems S.A. OU=Certum Certification Authority CN=Certum Trusted Root CA
Valid from
2024-06-18T07:41:22+00:00
Expires
2039-06-05T07:41:22+00:00
Days remaining
4602
Serial (hex)
A82DD9E5DCAFDF13205E70043E6B95A8
Signature
RSA-SHA512
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

83:C0:A5:A7:68:44:C8:40:DF:AF:82:0F:FD:02:AD:F6:57:3A:26:82:3E:F6:AF:75:8A:33:84:A0:AC:04:40:83
Certificate extensions & PEM
authorityInfoAccess
CA Issuers - URI:http://subca.repository.certum.pl/ctrca.cer OCSP - URI:http://subca.ocsp-certum.com
authorityKeyIdentifier
8C:FB:1C:75:BC:02:D3:9F:4E:2E:48:D9:F9:60:54:AA:C4:B3:4F:FA
basicConstraints
CA:TRUE, pathlen:0
crlDistributionPoints
Full Name: URI:http://subca.crl.certum.pl/ctrca.crl
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
keyUsage
Certificate Sign, CRL Sign
certificatePolicies
Policy: X509v3 Any Policy
subjectKeyIdentifier
33:A8:77:B7:01:38:6F:5F:1F:24:24:A2:1E:6C:14:E3:6E:22:03:DF
-----BEGIN CERTIFICATE-----
MIIGnTCCBIWgAwIBAgIRAKgt2eXcr98TIF5wBD5rlagwDQYJKoZIhvcNAQENBQAw
ejELMAkGA1UEBhMCUEwxITAfBgNVBAoTGEFzc2VjbyBEYXRhIFN5c3RlbXMgUy5B
LjEnMCUGA1UECxMeQ2VydHVtIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MR8wHQYD
VQQDExZDZXJ0dW0gVHJ1c3RlZCBSb290IENBMB4XDTI0MDYxODA3NDEyMloXDTM5
MDYwNTA3NDEyMlowUjELMAkGA1UEBhMCUEwxITAfBgNVBAoMGEFzc2VjbyBEYXRh
IFN5c3RlbXMgUy5BLjEgMB4GA1UEAwwXQ2VydHVtIERWIFRMUyBHMiBSMzkgQ0Ew
ggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCo52NXEXWoO2w6zQeBtNer
d5ahhe8RgM8XVpwGEFoovjHc4K+Cp3auUWVlt7/ARthJoxOttF+jaSrlSve9mWnm
TJOo1QLuoOTWuZ9XUkMjDG1ztTbFsgRqQyOtZsDqniHD79wqD49DQW4geVslp9/L
iTQKUpPawtAwpBeoaRXL8RJ8xjNA+2bEr6vesz2MEvvhpWBSWNAIR5O5YbiLztQ9
KdOuBYS0CW59ptuCjg3AuLcp8aOjk9z/kJc8xKkO48hLTp+HpdHkuI+iFWZn0aCL
lM/ngpdoBw+NGs6TMC8B6BcK7y/zl8FsNC4gE86Kfd8J9zWhCA7umHnBXCSYCKRx
H5o7DtoGiWXvcRKYpGtWt9czdUa1edSk5mTrwZGEXLAkX1ECiAq4GS5vEGjrEQ1u
x8mag2LDh7ZnXdcyzkKZKGsx7uExe3Nx5gWWZMXFrZ5v+uxynKogHUY2vdIMB3dn
9qRYwpzvn3msfBbkRTAcS9eis1AY0Xxqlt3aXkVyqfKhdJxOPpzATM+Ve4jZSd1n
LzEj+kFuHnv2jyOY3Vb35n3EmW8yAwG1OWX/QnemMA5s2fZ+ZydHOTG4DkwXnaTr
R/vUhM+FNywNUlvzYjcM6zt3Ysf9M1hK5PjUEKzsPf5BrIp0fs1zhlVC+cgBN2+J
PtYwxP1nNpxwBgtIPoTk6wIDAQABo4IBRDCCAUAwcQYIKwYBBQUHAQEEZTBjMDcG
CCsGAQUFBzAChitodHRwOi8vc3ViY2EucmVwb3NpdG9yeS5jZXJ0dW0ucGwvY3Ry
Y2EuY2VyMCgGCCsGAQUFBzABhhxodHRwOi8vc3ViY2Eub2NzcC1jZXJ0dW0uY29t
MB8GA1UdIwQYMBaAFIz7HHW8AtOfTi5I2flgVKrEs0/6MBIGA1UdEwEB/wQIMAYB
Af8CAQAwNQYDVR0fBC4wLDAqoCigJoYkaHR0cDovL3N1YmNhLmNybC5jZXJ0dW0u
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HQ8BAf8EBAMCAQYwEQYDVR0gBAowCDAGBgRVHSAAMB0GA1UdDgQWBBQzqHe3AThv
Xx8kJKIebBTjbiID3zANBgkqhkiG9w0BAQ0FAAOCAgEACDQ1ggBelZZ/NYs1nFKW
HnDrA8Y4pv0lvxLzSAC4ejGavMXqPTXHA+DEh9kHNd8tVlo24+6YN96Gspb1kMXR
uuql23/6R6Fpqg49dkQ1/DobsWvAHoYeZvsaAgaKRD3bvsAcB0JBhyBVT/88S9gu
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K6PqlhYkeMOkx+XbmUuUgh29T0sPne7/V6PHnbEJIxUs40+iLCF0HrdqZypjvWQq
pSmHRHI3UWVERDeERca0uJ3I+a5ER9vUL9u5ilGG4afyx7QwzitBG+1rU3nRsHyZ
g6osILL/MWc0AbWJMyKzQ9Guj+uwq47h6BC9BsWF34pJeDC8EuN3HNxPlSWSII9l
Omwtipvq0EL1iocJhXdlsG+jIUVs/Sl/Um9JiZV+h/MoytnrPrWMIj+0zz6BdaPP
2sT6wcLzpnwYcE9FWSbQrzNpL283EOUkObjc8AIxICzPHGusF0IqsO+sj9XzvLTh
TjKfFlzx4NR8gbK7m8sXq6cgP4UAtyvDswebFIRQiuhjqOT9G7+56+4zC0RaEZx/
LwoFE+ObVXxX674szQvIc+7WPCooVsUbwZIikzJqZb4gJQ1OQx23CgyyYlsPHIDN
8FpPkganuCwy++7umTkM7+Q=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=PL O=Asseco Data Systems S.A. OU=Certum Certification Authority CN=Certum Trusted Root CA
Issuer
C=PL O=Asseco Data Systems S.A. OU=Certum Certification Authority CN=Certum Trusted Root CA
Valid from
2018-03-16T12:10:13+00:00
Expires
2043-03-16T12:10:13+00:00
Days remaining
5982
Serial (hex)
1EBF5950B8C980374C06F7EB554FB5ED
Signature
RSA-SHA512
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

FE:76:96:57:38:55:77:3E:37:A9:5E:7A:D4:D9:CC:96:C3:01:57:C1:5D:31:76:5B:A9:B1:57:04:E1:AE:78:FD
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
8C:FB:1C:75:BC:02:D3:9F:4E:2E:48:D9:F9:60:54:AA:C4:B3:4F:FA
keyUsage
Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE-----
MIIFwDCCA6igAwIBAgIQHr9ZULjJgDdMBvfrVU+17TANBgkqhkiG9w0BAQ0FADB6
MQswCQYDVQQGEwJQTDEhMB8GA1UEChMYQXNzZWNvIERhdGEgU3lzdGVtcyBTLkEu
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P78v3DSk+yshzWePS/Tj6tQ/50+6uaWTRRxmHyH6ZF5v4HaUMst19W7l9o/HuKTM
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0ISVoDwUQwbKytu4QTbaakRnh6+v40URFWkIsr4WOZckbxJF0WddCajJFdr60qZf
E2Efv4WstK2tBZQIgx51F9NxO5NQI1mg7TyRVJ12AMXDuDjb
-----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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