DNS
SSL certificate
TLSv1.2icm.edu.pl · 213.135.55.78:443
Certificate chain, hostname and dates verified using this server’s CA store.
- Subject
- CN=*.icm.edu.pl
- Issuer
- C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS RSA 1
- Valid from
- 2026-07-22T18:06:58+00:00
- Expires
- 2027-02-06T18:06:57+00:00
- Days remaining
- 132
- Serial (hex)
- 7ECB8309F55D24CFE52505AAD5B33988
- Signature
- RSA-SHA256
- Public key
- RSA 4096
Subject alternative names (SAN)
DNS:*.icm.edu.pl, DNS:icm.edu.pl
SHA-256 fingerprint
AB:F7:79:87:52:4E:69:86:0F:37:08:14:DD:A8:D4:8C:42:6C:0A:CD:31:7C:CD:A6:7B:7E:58:16:1B:EC:7F:60
Certificate extensions & PEM
- 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
- subjectAltName
- DNS:*.icm.edu.pl, DNS:icm.edu.pl
- certificatePolicies
- Policy: 2.23.140.1.2.1 Policy: 0.4.0.2042.1.6 Policy: 1.3.6.1.4.1.26513.1.1.1.1
- extendedKeyUsage
- TLS Web Client Authentication, TLS Web Server Authentication
- crlDistributionPoints
- Full Name: URI:http://crl.harica.gr/HARICA-GEANT-TLS-R1.crl
- subjectKeyIdentifier
- F5:3D:90:03:5A:57:B6:5C:3E:14:CB:86:A2:80:AA:92:D2:54:FE:72
- keyUsage
- Digital Signature, Key Encipherment
- ct_precert_scts
- Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Jul 22 18:17:05.041 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:25:D6:10:70:FE:D0:D3:93:5B:67:51:DF: DC:AA:73:49:10:EB:2C:4E:8B:58:79:4E:DF:C3:00:B1: E8:03:F6:08:02:20:71:F6:95:4E:E3:12:56:13:44:F4: E8:AF:15:F0:50:06:58:6D:6A:CD:C0:67:59:59:8C:30: C6:63:39:CE:F0:41 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:A2:39:67:C6:0D:B6:46:87:C6:6F:3D:F9:99:94:76: 93:A6:A6:11:20:84:57:D5:55:E7:E3:D0:A1:D9:B6:46 Timestamp : Jul 22 18:17:05.073 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:64:1B:B3:79:08:2C:27:A5:90:7F:F0:DA: 9D:03:44:36:CF:E5:A6:35:03:51:B1:2F:D6:96:91:49: 07:E5:D8:CC:02:20:64:22:AB:88:FE:21:A9:F4:7F:C7: D7:02:28:30:7C:64:C3:7E:67:46:2B:76:B4:E3:60:B5: B8:19:03:F3:AE:E3 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Jul 22 18:17:05.020 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:03:01:D0:50:67:4D:5B:EB:1D:8C:56:52: 40:0C:3F:CE:33:B2:85:01:57:34:0A:C7:79:AC:30:1F: FB:73:1D:60:02:20:54:C1:8C:36:8D:C1:ED:52:F6:0D: 61:9E:38:C8:61:11:9F:25:E1:C1:35:B9:6F:8A:2B:1C: C2:03:66:B7:6B:F7
-----BEGIN CERTIFICATE----- MIIHUjCCBbqgAwIBAgIQfsuDCfVdJM/lJQWq1bM5iDANBgkqhkiG9w0BAQsFADBg MQswCQYDVQQGEwJHUjE3MDUGA1UECgwuSGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl c2VhcmNoIEluc3RpdHV0aW9ucyBDQTEYMBYGA1UEAwwPR0VBTlQgVExTIFJTQSAx MB4XDTI2MDcyMjE4MDY1OFoXDTI3MDIwNjE4MDY1N1owFzEVMBMGA1UEAwwMKi5p Y20uZWR1LnBsMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxbQLT7Bv Vm8wVB7jkGP6Qw5HamjWd2PdERnwL3jF/dRc5J1m5T7TwcB1MrUKM+tiSWbjlrcM ZEyt106OsOP+vOPW7jCS7IL94Z1wUi/OOpvMPAznDLy1lkCpyuj7Ss2UuCfDCQhN GPZJ9zud+QtXACYmLRTZCIzgdo2L4DH8NfksIFmJE2A7SVstbMO5wAkGZOXyp2B7 xrSnOBopuE5q3UNI7I8P2dBxOA8ZsIHD8HRPJ7vPC2AAsKqVtXyGtM7p/eYEllmt B5rCe8jlVjF1ymcMbi7lGXBmnAa5wK6DDOZ57A8gRzXfIaFj4vwa60E8FcFBUPFy R/M48aRC6pZPQYZYAQ9juj2lEIpvt2+NAv7vzElN2fHmsNT5EvBIq6g6g8hF9lmx PFPaHwORLZKgTYIXVGq9mp9fXA62VdFB1nLZc1wYkFhUwBDtLkubpUTeOqOldCba KkKWbwAp6vVY+lhtJdh2RAXoUmQExOgKiwAirw45zJ0cd3dU0aM2TZLzH5HSBgn6 svbTIfLv7IWqBHLyUeepozwLl5RfCgM0X09BiU1OwXMaY6t8qTZu3adoTocpAnQp 4lEV/8SdE0V4fL8e1ix9jydJHDUFWE+jnEpG28jK8IpO260zAbqYcsRogQ4G1UDn RoAcRrG2J2bWPe2c+KavtXU+3Em3+oGW2gkCAwEAAaOCAs8wggLLMB8GA1UdIwQY MBaAFIYBcj+MqXDiMQZTFs4BX1t5yDw7MEgGCCsGAQUFBwEBBDwwOjA4BggrBgEF BQcwAoYsaHR0cDovL2NydC5oYXJpY2EuZ3IvSEFSSUNBLUdFQU5ULVRMUy1SMS5j ZXIwIwYDVR0RBBwwGoIMKi5pY20uZWR1LnBsggppY20uZWR1LnBsMC0GA1UdIAQm MCQwCAYGZ4EMAQIBMAgGBgQAj3oBBjAOBgwrBgEEAYHPEQEBAQEwHQYDVR0lBBYw FAYIKwYBBQUHAwIGCCsGAQUFBwMBMD0GA1UdHwQ2MDQwMqAwoC6GLGh0dHA6Ly9j cmwuaGFyaWNhLmdyL0hBUklDQS1HRUFOVC1UTFMtUjEuY3JsMB0GA1UdDgQWBBT1 PZADWle2XD4Uy4aigKqS0lT+cjAOBgNVHQ8BAf8EBAMCBaAwggF7BgorBgEEAdZ5 AgQCBIIBawSCAWcBZQB1AGBMmq96f3dfAdQG/JINyJnrCxx9+MlSG/r6F3c7l4vJ AAABn4sLqREAAAQDAEYwRAIgJdYQcP7Q05NbZ1Hf3KpzSRDrLE6LWHlO38MAsegD 9ggCIHH2lU7jElYTRPTorxXwUAZYbWrNwGdZWYwwxmM5zvBBAHUARqI5Z8YNtkaH xm89+ZmUdpOmphEghFfVVefj0KHZtkYAAAGfiwupMQAABAMARjBEAiBkG7N5CCwn pZB/8NqdA0Q2z+WmNQNRsS/WlpFJB+XYzAIgZCKriP4hqfR/x9cCKDB8ZMN+Z0Yr drTjYLW4GQPzruMAdQBEwr0M6RQOZKXJSgGTClqhuzWXDgDuERaJaCocRNe1ZgAA AZ+LC6j8AAAEAwBGMEQCIAMB0FBnTVvrHYxWUkAMP84zsoUBVzQKx3msMB/7cx1g AiBUwYw2jcHtUvYNYZ44yGERnyXhwTW5b4orHMIDZrdr9zANBgkqhkiG9w0BAQsF AAOCAYEAlOXxXeIbCL8yjKBWHKmIesAag5ARXZiZO+H5SDHui20+yHymhxKdd4DA iVqQjVUgQZn+gNDfwVbXYSFj3HHNoADEUp4FlRc/Vt3tDxva8DuLe17ZNrAkwHM8 9HcqwrhxM7YmeUQnVo8KnR2CE3QEzW1BmSDQhEqIyhW6eaS6JeGKZFhazyLXIRj7 TBxcKkLkgT3K5E03pYuXP/B4TlflNiQ30qOOoWxXAxhmbnc63JtJh2+5POsqxPFO fthFNCElwQNNv3stUt01Wkw3chpDJzkPKAwECoA8va86lStRmnwBm1aPnEBr1TCu KWMfXBkhmg7RtVuTqNkb7C8aNk91zICWanNA1OlJv4P8VYxMh4zhQ4ZBUGncwqV1 +bFDjYvoCKQdlQmXm5wZGFP2vHJPQIiWew+1VVHy61+bEsvlDu3bfov0z7sENmGj r8kRdstbjN99qZ8t/vkszSiofWKwyka/GbYYSXPwF5UATQfRhuyYifA7tG03NL+0 fs8xOLhc -----END CERTIFICATE-----
Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-09-26T21:26:29+00:00
Server-presented chain · 2 additional certificates
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
- 4843
- 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-----
Chain certificate 2
- Subject
- C=GR O=Hellenic Academic and Research Institutions CA CN=HARICA TLS RSA Root CA 2021
- Issuer
- C=GR O=Hellenic Academic and Research Institutions CA CN=HARICA TLS RSA Root CA 2021
- Valid from
- 2021-02-19T10:55:38+00:00
- Expires
- 2045-02-13T10:55:37+00:00
- Days remaining
- 6714
- Serial (hex)
- 39CA931CEF43F3C68E93C7F46489387E
- Signature
- RSA-SHA256
- Public key
- RSA 4096
Subject alternative names (SAN)
No SAN extension was presented.
SHA-256 fingerprint
D9:5D:0E:8E:DA:79:52:5B:F9:BE:B1:1B:14:D2:10:0D:32:94:98:5F:0C:62:D9:FA:BD:9C:D9:99:EC:CB:7B:1D
Certificate extensions & PEM
- basicConstraints
- CA:TRUE
- subjectKeyIdentifier
- 0A:48:23:A6:60:A4:92:0A:33:EA:93:5B:C5:57:EA:25:4D:BD:12:EE
- keyUsage
- Digital Signature, Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE----- MIIFpDCCA4ygAwIBAgIQOcqTHO9D88aOk8f0ZIk4fjANBgkqhkiG9w0BAQsFADBs MQswCQYDVQQGEwJHUjE3MDUGA1UECgwuSGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl c2VhcmNoIEluc3RpdHV0aW9ucyBDQTEkMCIGA1UEAwwbSEFSSUNBIFRMUyBSU0Eg Um9vdCBDQSAyMDIxMB4XDTIxMDIxOTEwNTUzOFoXDTQ1MDIxMzEwNTUzN1owbDEL MAkGA1UEBhMCR1IxNzA1BgNVBAoMLkhlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNl YXJjaCBJbnN0aXR1dGlvbnMgQ0ExJDAiBgNVBAMMG0hBUklDQSBUTFMgUlNBIFJv b3QgQ0EgMjAyMTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAIvC569l mwVnlskNJLnQDmT8zuIkGCyEf3dRywQRNrhe7Wlxp57kJQmXZ8FHws+RFjZiPTgE 4VGC/6zStGndLuwRo0Xua2s7TL+MjaQenRG56Tj5eg4MmOIjHdFOY9TnuEFE+2uv a9of08WRiFukiZLRgeaMOVig1mlDqa2YUlhu2wr7a89o+uOkXjpFc5gH6l8Cct4M pbOfrqkdtx2z/IpZ525yZa31MJQjB/OCFks1mJxTuy/K5FrZx40d/JiZ+yykgmvw Kh+OC19xXFyuQnspiYHLA6OZyoieC0AJQTPb5lh6/a6ZcMBaD9YThnEvdmn8kN3b LW7R8pv1GmuebxWMevBLKKAiOIAkbDakO/IwkfN4E8/BPzWr8R0RI7VDIp4BkrcY AuUR0YLbFQDMYTfBKnya4dC6s1BG7oKsnTH4+yPiAwBIcKMJJnkVU2DzOFytOOqB AGMUuTNe3QvboEUHGjMJ+E20pwKmafTCWQWIZYVWrkvL4N48fS0ayOn7H6NhStYq E613TBoYm5EPWNgGVMWX+Ko/IIqmhaZ39qb8HOLubpQzKoNQhArlT4b4UEV4AIHr W2jjJo3Me1xR9BQsQL4aYB16cmEdH2MtiKrOokWQCPxrvrNQKlr9qEgYRtaQQJKQ CoReaDH46+0N0x3GfZkYVVYnZS6NRcUk7M7jAgMBAAGjQjBAMA8GA1UdEwEB/wQF MAMBAf8wHQYDVR0OBBYEFApII6ZgpJIKM+qTW8VX6iVNvRLuMA4GA1UdDwEB/wQE AwIBhjANBgkqhkiG9w0BAQsFAAOCAgEAPpBIqm5iFSVmewzVjIuJndftTgfvnNAU X15QvWiWkKQUEapobQk1OUAJ2vQJLDSle1mESSmXdMgHHkdt8s4cUCbjnj1AUz/3 f5Z2EMVGpdAgS1D0NTsY9FVqQRtHBmg8uwkIYtlfVUKqrFOFrJVWNlar5AWMxaja H6NpvVMPxP/cyuN+8kyIhkdGGvMA9YCRotxDQpSbIPDRzbLrLFPCU3hKTwSUQZqP JzLB5UkZv/HywouoCjkxKLR9YjYsTewfM7Z+d21+UPCfDtcRj88YxeMn/ibvBZ3P zzfF0HvaO7AWhAw6k9a+F9sPPg4ZeAnHqQJyIkv3N3a6dcSFA1pj1bF1BcK5vZSt jBWZp5N99sXzqnTPBIWUmAD04vnKJGW/4GKvyMX6ssmeVkjaef2WdhW+o45WxLM0 /L5H9MG0qPzVMIho7suuyWPEdr6sOBjhXlzPrjoiUevRi7PzKzMHVIf6tLITe7pT BGIBnfHAT+7hOtSLIBD6Alfm78ELt5BGnBkpjNxvoEppaZS3JGWg/6w/zgH7IS79 aPib8qXPMThcFarmlwDB31qlpzmq6YR/PFGoOtmUW4y/Twhx5duoXNTSpv4Ao8YW xw/ogM4cKGR0GQjTQuPOAF1/sdwTsOEFy9EgqoZ0njnnkf3/W9b3raYvAwtt41dU 63ZTGI0RmLo= -----END CERTIFICATE-----
One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.