DNS
SSL certificate
TLSv1.2igf.edu.pl · 213.135.33.119:443
Certificate chain, hostname and dates verified using this server’s CA store.
- Subject
- C=PL ST=mazowieckie L=Warszawa O=Instytut Geofizyki Polskiej Akademii Nauk CN=igf.edu.pl
- Issuer
- C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS RSA 1
- Valid from
- 2025-12-16T09:44:03+00:00
- Expires
- 2026-12-16T09:44:03+00:00
- Days remaining
- 78
- Serial (hex)
- 39F32E741E861050A6A5B562CAE97F59
- Signature
- RSA-SHA256
- Public key
- RSA 2048
Subject alternative names (SAN)
DNS:igf.edu.pl, DNS:www.igf.edu.pl
SHA-256 fingerprint
06:AE:31:13:08:FC:2C:92:BB:F8:BD:AC:21:79:AF:1C:DA:4C:E2:AA:B0:16:39:7F:11:05:C2:5D:49:64:9D:8A
Certificate extensions & PEM
- basicConstraints
- CA:FALSE
- authorityKeyIdentifier
- 86:01:72:3F:8C:A9:70:E2:31:06:53:16:CE:01:5F:5B:79:C8:3C:3B
- authorityInfoAccess
- CA Issuers - URI:http://crt.harica.gr/HARICA-GEANT-TLS-R1.cer OCSP - URI:http://ocsp-tls.harica.gr
- subjectAltName
- DNS:igf.edu.pl, DNS:www.igf.edu.pl
- certificatePolicies
- Policy: 2.23.140.1.2.2 Policy: 0.4.0.2042.1.7 Policy: 1.3.6.1.4.1.26513.1.1.1.2
- extendedKeyUsage
- TLS Web Client Authentication, TLS Web Server Authentication
- crlDistributionPoints
- Full Name: URI:http://crl.harica.gr/HARICA-GEANT-TLS-R1.crl
- subjectKeyIdentifier
- A5:C3:38:1F:B6:2C:C0:15:D3:83:19:03:18:83:C0:53:54:22:FD:EB
- keyUsage
- Digital Signature, Key Encipherment
- ct_precert_scts
- Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Dec 16 09:54:05.390 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:30:B8:E9:BD:CE:84:25:2C:57:B2:A1:B4: 4F:D6:B6:BC:00:2D:35:1B:FC:14:0F:0C:F9:76:37:44: C9:A7:60:F0:02:20:2E:EB:E7:D9:02:DB:49:57:B7:3C: 95:20:43:0F:56:2F:D1:78:27:88:62:1B:8C:6A:90:C8: AA:17:C8:EB:CB:DF Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Dec 16 09:54:05.402 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A5:DB:EB:E6:3E:51:BE:43:34:1A:92: F9:30:7D:08:74:FC:CD:86:92:24:A6:E6:AD:B9:62:93: C4:99:CA:31:72:02:20:17:88:65:50:96:A4:A7:32:FA: E4:16:4E:30:84:21:07:DE:39:31:B1:10:7A:72:D3:1F: DB:2A:18:AD:E0:8D:34 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Dec 16 09:54:05.348 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:08:7D:08:E8:13:0C:BF:E2:C3:61:EF:DE: FE:83:36:E5:77:C0:AD:EE:C1:D3:F6:4F:9D:AF:58:3E: F1:0E:86:37:02:20:71:70:B7:A1:E3:B9:24:63:05:3D: 16:ED:63:9E:43:DF:89:3C:5B:70:11:7F:D6:19:61:8D: 8E:D7:22:9B:6F:D3
-----BEGIN CERTIFICATE----- MIIG8jCCBVqgAwIBAgIQOfMudB6GEFCmpbViyul/WTANBgkqhkiG9w0BAQsFADBg MQswCQYDVQQGEwJHUjE3MDUGA1UECgwuSGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl c2VhcmNoIEluc3RpdHV0aW9ucyBDQTEYMBYGA1UEAwwPR0VBTlQgVExTIFJTQSAx MB4XDTI1MTIxNjA5NDQwM1oXDTI2MTIxNjA5NDQwM1owfzELMAkGA1UEBhMCUEwx FDASBgNVBAgMC21hem93aWVja2llMREwDwYDVQQHDAhXYXJzemF3YTEyMDAGA1UE CgwpSW5zdHl0dXQgR2VvZml6eWtpIFBvbHNraWVqIEFrYWRlbWlpIE5hdWsxEzAR BgNVBAMMCmlnZi5lZHUucGwwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB AQDg9XdtkROzjrSJqV6Pgk4Sk/mkTJiRxyTNewaTYIEmbUuGiwDx9jtJx1AsrhC5 jC7ik8n010bulywihjnjnEy03y8b5qWMoTS5eGqElYybv+875UnJA08j1BaVoTn7 YncBapO91Y2IUX4eFI6p808t0FP1h1DrMSdj+hN+5AuJkTmvh69BpXsP7+fcVGdp R5dx0L/NQnTljagk+YBWp2blV2ofSOyYLRl/lERFQwgkdJYMOMwNMYMapMCf4Eby FCkdd6sX5eWigBakx4ZNaP//4368RQg9GvACXQCi/eroBkzWBxmkh45FGbr2M3NW ZLGJriufeajbKwp0m4WHJ7bzAgMBAAGjggMHMIIDAzAMBgNVHRMBAf8EAjAAMB8G A1UdIwQYMBaAFIYBcj+MqXDiMQZTFs4BX1t5yDw7MG8GCCsGAQUFBwEBBGMwYTA4 BggrBgEFBQcwAoYsaHR0cDovL2NydC5oYXJpY2EuZ3IvSEFSSUNBLUdFQU5ULVRM Uy1SMS5jZXIwJQYIKwYBBQUHMAGGGWh0dHA6Ly9vY3NwLXRscy5oYXJpY2EuZ3Iw JQYDVR0RBB4wHIIKaWdmLmVkdS5wbIIOd3d3LmlnZi5lZHUucGwwLQYDVR0gBCYw JDAIBgZngQwBAgIwCAYGBACPegEHMA4GDCsGAQQBgc8RAQEBAjAdBgNVHSUEFjAU BggrBgEFBQcDAgYIKwYBBQUHAwEwPQYDVR0fBDYwNDAyoDCgLoYsaHR0cDovL2Ny bC5oYXJpY2EuZ3IvSEFSSUNBLUdFQU5ULVRMUy1SMS5jcmwwHQYDVR0OBBYEFKXD OB+2LMAV04MZAxiDwFNUIv3rMA4GA1UdDwEB/wQEAwIFoDCCAXwGCisGAQQB1nkC BAIEggFsBIIBaAFmAHUAr2eIO1ewTt2Pptl+9i6o64EKx3Fg8CReVdYML+eFhzoA AAGbJpTPzgAABAMARjBEAiAwuOm9zoQlLFeyobRP1ra8AC01G/wUDwz5djdEyadg 8AIgLuvn2QLbSVe3PJUgQw9WL9F4J4hiG4xqkMiqF8jry98AdgCUTkOH+uzB74Hz GSQmqBhlAcfTXzgCAT9yZ31VNy4Z2AAAAZsmlM/aAAAEAwBHMEUCIQCl2+vmPlG+ QzQakvkwfQh0/M2GkiSm5q25YpPEmcoxcgIgF4hlUJakpzL65BZOMIQhB945MbEQ enLTH9sqGK3gjTQAdQDYCVU7lE96/8gWGW+UT4WrsPj8XodVJg8V0S5yu0VLFAAA AZsmlM+kAAAEAwBGMEQCIAh9COgTDL/iw2Hv3v6DNuV3wK3uwdP2T52vWD7xDoY3 AiBxcLeh47kkYwU9Fu1jnkPfiTxbcBF/1hlhjY7XIptv0zANBgkqhkiG9w0BAQsF AAOCAYEAFKbN4ECJmXHQ1F1Z4MshjzLvU7Yg7PPgHlQRMHnd9RZp/IxE4Hyzy1d5 3lWJfSLK41AxhphWH0rZn/Pp79oDryaKuezeuvL4icfCm4stfzFgs1KlyKxXk2LI Xsv3GMmSFm8Vt+Yj/X6rK6cjIHKARBwHmeFiO+QkHU855F4EDt3YZzmPtGrOExNj //4meBcuywcWuJvk6PSt4wK4GKAcwgCnrztSHbiwc/WhFyksnIK6fSkNG6Vg0mTA Ook4PNJVq61h8AaXcLJLSX1ikKdxnsrtUh758ejkxz/b76wsyVy1C9UH20GssOrz GcvDD9OP+8bLGP7FTRWq+10Gw71p9RVIchSqvVnm6t/j5Kex2EX6vv6I8kfHs1tb F3zYmGeCeoExuA7WVhk++kK/9SuBCEtvr25p8t8T3m3zVrC7S/PkChyGhwbxe6/P 3t3MZ7SaxSuj/dnplSj4fF5xuwIiUcu/D4LH7obm0o50tRaVbRt2yD6uKisZtEfA OuXxRUrH -----END CERTIFICATE-----
Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-29T05:36:09+00:00
Server-presented chain · 1 additional certificate
Chain certificate 1
- Subject
- C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS RSA 1
- Issuer
- C=GR O=Hellenic Academic and Research Institutions CA CN=HARICA TLS RSA Root CA 2021
- Valid from
- 2025-01-03T11:15:00+00:00
- Expires
- 2039-12-31T11:14:59+00:00
- Days remaining
- 4841
- Serial (hex)
- 14D57BF3692228219A5567FA91651B22
- Signature
- RSA-SHA256
- Public key
- RSA 3072
Subject alternative names (SAN)
No SAN extension was presented.
SHA-256 fingerprint
5B:67:8D:C4:40:95:A5:28:95:B6:3B:31:F2:72:27:F4:B3:6C:3E:34:74:91:BF:2B:FA:69:18:37:A5:FB:8C:79
Certificate extensions & PEM
- basicConstraints
- CA:TRUE, pathlen:0
- authorityKeyIdentifier
- 0A:48:23:A6:60:A4:92:0A:33:EA:93:5B:C5:57:EA:25:4D:BD:12:EE
- authorityInfoAccess
- CA Issuers - URI:http://crt.harica.gr/HARICA-TLS-Root-2021-RSA.cer
- certificatePolicies
- Policy: X509v3 Any Policy
- extendedKeyUsage
- TLS Web Client Authentication, TLS Web Server Authentication
- crlDistributionPoints
- Full Name: URI:http://crl.harica.gr/HARICA-TLS-Root-2021-RSA.crl
- subjectKeyIdentifier
- 86:01:72:3F:8C:A9:70:E2:31:06:53:16:CE:01:5F:5B:79:C8:3C:3B
- keyUsage
- Digital Signature, Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE----- MIIGBTCCA+2gAwIBAgIQFNV782kiKCGaVWf6kWUbIjANBgkqhkiG9w0BAQsFADBs MQswCQYDVQQGEwJHUjE3MDUGA1UECgwuSGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl c2VhcmNoIEluc3RpdHV0aW9ucyBDQTEkMCIGA1UEAwwbSEFSSUNBIFRMUyBSU0Eg Um9vdCBDQSAyMDIxMB4XDTI1MDEwMzExMTUwMFoXDTM5MTIzMTExMTQ1OVowYDEL MAkGA1UEBhMCR1IxNzA1BgNVBAoMLkhlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNl YXJjaCBJbnN0aXR1dGlvbnMgQ0ExGDAWBgNVBAMMD0dFQU5UIFRMUyBSU0EgMTCC AaIwDQYJKoZIhvcNAQEBBQADggGPADCCAYoCggGBAKEEaZSzEzznAPk8IEa17GSG yJzPTj4cwRY7/vcq2BPT5+IRGxQtaCdgLXIEl2cdPdIkj2eyakFmgMjAtyeju8V8 dRayQCD/bWjJ7thDlowgLljQaXirxnYbT8bzRHAhCZqBakYgi5KWw9dANLyDHGpX UdY259ab0lWEaFE5Uu6IzQSMJOAy4l/Twym8GUiy0qMDEBFSlm31C9BXpdHKKAlh vIjMiKoDeTWl5vZaLB2MMRGY1yW2ftPgIP0/MkX1uFITlvHmmMTngxplH1nybEIJ FiwHg1KiLk1TprcZgeO2gxE5Lz3wTFWrsUlAzrh5xWmscWkjNi/4BpeuiT5+NExF czboLnXOfjuci/7bsnPi1/aZN/iKNbJRnngFoLaKVMmqCS7Xo34f+BITatryQZFE u2oDKExQGlxDBCfYMLgLucX/onpLzUSgeQITNLx6i5tGGbUYH+9Dy3GI66L/5tPj qzlOsydki8ZYGE5SBJeWCZ2IrhUe0WzZ2b6Zhk6JAQIDAQABo4IBLTCCASkwEgYD VR0TAQH/BAgwBgEB/wIBADAfBgNVHSMEGDAWgBQKSCOmYKSSCjPqk1vFV+olTb0S 7jBNBggrBgEFBQcBAQRBMD8wPQYIKwYBBQUHMAKGMWh0dHA6Ly9jcnQuaGFyaWNh LmdyL0hBUklDQS1UTFMtUm9vdC0yMDIxLVJTQS5jZXIwEQYDVR0gBAowCDAGBgRV HSAAMB0GA1UdJQQWMBQGCCsGAQUFBwMCBggrBgEFBQcDATBCBgNVHR8EOzA5MDeg NaAzhjFodHRwOi8vY3JsLmhhcmljYS5nci9IQVJJQ0EtVExTLVJvb3QtMjAyMS1S U0EuY3JsMB0GA1UdDgQWBBSGAXI/jKlw4jEGUxbOAV9becg8OzAOBgNVHQ8BAf8E BAMCAYYwDQYJKoZIhvcNAQELBQADggIBABkssjQzYrOo4GMsKegaChP16yNe6Sck cWBymM455R2rMeuQ3zlxUNOEt+KUfgueOA2urp4j6TlPbs/XxpwuN3I1f09Luk5b +ZgRXM7obE6ZLTerVQWKoTShyl34R2XlK8pEy7+67Ht4lcJzt+K6K5gEuoPSGQDP ef+fUfmXrFcgBMcMbtfDb9dubFKNZZxo5nAXiqhFMOIyByag3H+tOTuH8zuId9pH RDsUpAIHJ9/W2WBfLcKav7IKRlNBRD/sPBy903J9WHPKwl8kQSDA+aa7XCYk7bJt Eyf+7GM9F5cZ7+YyknXqnv/rtQEkTKZdQo5Us18VFe9qqj94tXbLdk7PejJYNB4O Zlli44Ld7rtqfFlUych7gIxFOmiyxMQQYrYmUi+74lEZvfoNhuref0CupuKpz6O3 dLv6kO9T10uNdDBoBQTkge3UzHafTIe3R2o3ujXKUGPwyc9m7/FETyKLUCwSU/5O AVOeBCU8QtkKKjM8AmbpKpe3pHWcyq3R7B3LmIALkMPTydyDfxen65IDqREbVq8N xjhkJThUz40JqOlN6uqKqeDISj/IoucYwsqW24AlO7ZzNmohQmMi8ep23H4hBSh0 GBTe2XvkuzaNf92syK8l2HzO+13GLCjzYLTPvXTO9UpK8DGyfGZOuamuwbAnbNpE 3RfjV9IaUQGJ -----END CERTIFICATE-----
One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.