DNS
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

warta.pl · 195.149.64.50:443

Verified
The certificate expires within 30 days.

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

Subject
CN=*.warta.pl
Issuer
C=PL O=Asseco Data Systems S.A. CN=Certum DV TLS G2 R39 CA
Valid from
2025-10-13T08:26:12+00:00
Expires
2026-10-13T08:26:11+00:00
Days remaining
15
Serial (hex)
3C3E888455789B719716067F4F5D1A09
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.warta.pl, DNS:warta.pl

SHA-256 fingerprint

3B:5C:06:02:25:49:E5:1E:49:4D:98:11:5A:83:91:51:1A:F5:39:88:99:5A:7E:E8:83:21:22:30:39:99:84:06
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:*.warta.pl, DNS:warta.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 : Oct 13 08:26:19.022 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FD:5A:9C:D1:2E:18:DA:FD:D8:F7:81: 4F:B5:EA:A9:AE:D3:06:33:42:C2:E2:12:59:3D:EE:95: D9:C0:EA:2C:E9:02:20:44:D9:4D:44:96:2F:2B:1D:F6: B6:9C:F5:8E:D3:13:59:89:92:12:B2:E0:F7:5F:AA:B0: CB:F7:7D:06:7C:F3:2F 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 : Oct 13 08:26:19.634 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DF:A7:15:84:6D:61:E9:71:03:D1:EC: 9B:84:56:F2:20:D6:00:06:53:87:73:59:F3:46:13:C9: 96:B2:81:F8:6D:02:20:16:50:0A:0E:BE:90:24:2E:3E: 40:B2:9E:E4:F4:68:6F:E1:C2:CD:C5:50:D1:A7:C2:0E: 28:4F:A1:25:DE:41:B5 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 : Oct 13 08:26:18.996 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DB:8C:3C:99:6F:34:D1:8E:10:44:B7: 78:46:92:51:4C:D4:A4:D5:39:83:0B:52:92:68:9D:3B: 2E:72:5C:08:2A:02:20:2D:24:19:7D:80:32:94:47:0E: E8:35:9B:50:3F:48:C7:8E:42:56:39:87:08:39:19:95: 8F:61:2D:B7:CC:C0:1D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-28T07:17:26+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
4633
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
cGwvY3RyY2EuY3JsMB0GA1UdJQQWMBQGCCsGAQUFBwMCBggrBgEFBQcDATAOBgNV
HQ8BAf8EBAMCAQYwEQYDVR0gBAowCDAGBgRVHSAAMB0GA1UdDgQWBBQzqHe3AThv
Xx8kJKIebBTjbiID3zANBgkqhkiG9w0BAQ0FAAOCAgEACDQ1ggBelZZ/NYs1nFKW
HnDrA8Y4pv0lvxLzSAC4ejGavMXqPTXHA+DEh9kHNd8tVlo24+6YN96Gspb1kMXR
uuql23/6R6Fpqg49dkQ1/DobsWvAHoYeZvsaAgaKRD3bvsAcB0JBhyBVT/88S9gu
DnS5YKMldiLMkVW1Noskd4dHEJ2mkJcVzJIJ0Y4johA1lC1JnZMjkB8ZTNIblkgJ
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
6013
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-----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qafegGtaqge2Gcu8V/OXIXoMsSt0Puvap2ctTMSYnjYJdmZm/Bo/6khUHL4wvYBQ
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Tsd2tTVItQIDAQABo0IwQDAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSM+xx1
vALTn04uSNn5YFSqxLNP+jAOBgNVHQ8BAf8EBAMCAQYwDQYJKoZIhvcNAQENBQAD
ggIBAEii1QALLtA/vBzVtVRJHlpr9OTy4EA34MwUe7nJ+jW1dReTagVphZzNTxl4
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GfnTKB7U0VEwKbOukGfWHwpjscWpxkIxYxeU72nLL/qMFH3EQxiJ2fAyQOaA4kZf
5ePBAFmo+eggvIksDkc0C+pXwlM2/KfUrzHN/gLldfq5Jwn58/U7yn2fqSLLiMmq
0Uc9NneoWWRrJ8/vJ8HjJLWG965+Mk2weWjROeiQWMODvA8s1pfrzgzhIMfatz7D
P78v3DSk+yshzWePS/Tj6tQ/50+6uaWTRRxmHyH6ZF5v4HaUMst19W7l9o/HuKTM
qJZ9ZPskWkoDbGs4xugDQ5r3V7mzKWmTOPQD8rv7gmsHINFSH5pkAnuYZttcTVoP
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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