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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

ucc.ie · 4.208.17.113:443

Verified

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

Subject
C=IE L=Cork O=University College Cork CN=*.ucc.ie
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS ECC 1
Valid from
2025-11-18T15:58:32+00:00
Expires
2026-11-18T15:58:32+00:00
Days remaining
50
Serial (hex)
4CCF9D2615C0B2302296DC2776093ED4
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:*.ucc.ie, DNS:ucc.ie

SHA-256 fingerprint

42:E7:4E:D9:07:91:37:7A:46:30:C4:68:73:49:BF:1C:F6:FD:D9:74:A8:63:B0:BB:84:37:29:58:33:32:5C:5D
Certificate extensions & PEM
authorityKeyIdentifier
E9:99:06:8D:17:1F:AB:FB:96:1A:5A:C8:5B:5E:5D:5E:EC:DA:9C:8F
authorityInfoAccess
CA Issuers - URI:http://crt.harica.gr/HARICA-GEANT-TLS-E1.cer OCSP - URI:http://ocsp-tls.harica.gr
subjectAltName
DNS:*.ucc.ie, DNS:ucc.ie
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-E1.crl
subjectKeyIdentifier
69:08:3E:22:59:0D:7F:CE:1F:B3:51:B6:13:4E:23:CC:68:05:B0:27
keyUsage
Digital Signature
ct_precert_scts
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 18 16:08:33.725 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:0A:74:88:8D:B4:23:84:82:03:24:D4:C5: C8:A8:87:99:5E:DE:60:B4:E7:E4:A6:82:07:E4:86:E5: B9:A7:9C:8B:02:20:20:95:BF:74:42:07:14:E5:0B:7B: D1:BA:FB:DF:30:AD:DB:6C:DB:18:4A:96:7D:9F:07:A0: 03:5F:E5:DB:CE:9F Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Nov 18 16:08:33.810 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:8A:3B:61:AA:8E:FF:E4:19:74:48:23: 55:1C:16:3B:F8:16:1A:A4:9D:86:42:A4:38:1D:B5:B3: 33:FF:89:E4:5F:02:20:74:78:DC:C9:67:AE:DB:2D:99: B8:F4:D9:7E:A4:DD:63:CD:11:EE:B4:AB:C6:97:DF:A1: 4B:09:94:CD:FC:F7:BC 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 : Nov 18 16:08:33.680 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:14:45:A1:DF:62:64:6C:AC:36:2B:E5:F5: 37:F2:61:E1:70:54:44:D7:E4:3F:09:2A:B1:38:62:17: 9C:EB:49:27:02:20:16:91:66:F7:3B:D6:43:75:7D:F8: DB:FB:82:83:56:DB:48:FD:00:21:82:41:22:E1:25:77: 5A:6A:18:05:CE:13
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-28T18:16:19+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS ECC 1
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=HARICA TLS ECC Root CA 2021
Valid from
2025-01-03T11:14:21+00:00
Expires
2039-12-31T11:14:20+00:00
Days remaining
4841
Serial (hex)
42FDDCE1261607E1A5E6935A400161DD
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

6C:DF:0B:A1:71:1E:85:6D:22:8B:A0:0C:A0:4C:5C:1C:3D:79:94:4C:03:7B:71:3B:15:5A:4E:E4:B4:7E:C5:3C
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
authorityKeyIdentifier
C9:1B:53:81:12:FE:04:D5:16:D1:AA:BC:9A:6F:B7:A0:95:19:6E:CA
authorityInfoAccess
CA Issuers - URI:http://crt.harica.gr/HARICA-TLS-Root-2021-ECC.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-ECC.crl
subjectKeyIdentifier
E9:99:06:8D:17:1F:AB:FB:96:1A:5A:C8:5B:5E:5D:5E:EC:DA:9C:8F
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GR O=Hellenic Academic and Research Institutions CA CN=HARICA TLS ECC Root CA 2021
Issuer
C=GR L=Athens O=Hellenic Academic and Research Institutions Cert. Authority CN=Hellenic Academic and Research Institutions ECC RootCA 2015
Valid from
2021-09-02T07:44:37+00:00
Expires
2029-08-31T07:44:36+00:00
Days remaining
1067
Serial (hex)
716027C8857A73542DEF516C1C2EEB0F
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

50:E2:7F:90:EB:6A:F4:95:B0:E6:EE:B6:55:CC:89:44:4C:27:D3:C9:5B:68:23:FA:02:AB:DC:95:F1:63:6A:E1
Certificate extensions & PEM
basicConstraints
CA:TRUE
authorityKeyIdentifier
B4:22:0B:82:99:24:01:0E:9C:BB:E4:0E:FD:BF:FB:97:20:93:99:2A
authorityInfoAccess
CA Issuers - URI:http://repo.harica.gr/certs/HaricaECCRootCA2015.crt
certificatePolicies
Policy: X509v3 Any Policy
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.harica.gr/HaricaECCRootCA2015.crl
subjectKeyIdentifier
C9:1B:53:81:12:FE:04:D5:16:D1:AA:BC:9A:6F:B7:A0:95:19:6E:CA
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE-----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-----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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