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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

srce.hr · 161.53.2.88:443

Verified
The certificate expires within 30 days.

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

Subject
C=HR L=Zagreb O=Sveučilište u Zagrebu - Sveučilišni računski centar CN=www.srce.hr
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS ECC 1
Valid from
2025-10-15T06:26:53+00:00
Expires
2026-10-15T06:26:53+00:00
Days remaining
17
Serial (hex)
2C1EDB8ACC22F944457D4399E297EEE3
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:www.srce.hr, DNS:srce.hr

SHA-256 fingerprint

AD:CF:76:C4:A6:BB:05:97:2E:33:5C:77:19:9F:E7:EE:DE:CD:95:23:D6:40:C9:72:8F:7B:6C:74:BB:F5:B5:08
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:www.srce.hr, DNS:srce.hr
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
3A:56:65:87:0E:C6:70:7C:82:55:F2:80:06:DA:35:57:FF:71:67:B8
keyUsage
Digital Signature
ct_precert_scts
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 : Oct 15 06:36:55.452 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C9:87:07:2F:2E:E3:73:8A:63:EE:DB: 32:DD:81:04:30:C6:73:97:65:C5:E3:A8:A2:1E:6F:53: 76:AC:FD:2A:18:02:20:3A:A0:0D:4A:D6:71:D3:EB:D1: A3:DB:6B:BF:A2:AB:E4:75:A8:7E:ED:43:7B:7C:AE:1C: 94:56:59:C4:9D:2B:DE 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 15 06:36:55.445 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D7:62:6B:EE:05:BC:6B:11:BC:DD:46: DA:03:8D:20:66:4B:7B:BA:5F:F7:8F:60:8D:35:D3:DD: 43:B6:27:25:CF:02:21:00:E1:11:C6:B9:B8:EE:C6:84: 0B:D3:D6:68:E5:F0:02:FC:B6:55:AD:D5:0A:92:A4:77: 9E:D5:29:7C:B0:98:AF:B1 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 : Oct 15 06:36:55.408 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A8:51:3B:A6:C8:B2:57:A5:85:BB:6C: BF:DD:C9:88:E3:AE:14:3C:6F:00:34:AE:2D:8A:1E:2E: B7:5B:13:12:D2:02:20:6B:05:03:29:C5:3E:0B:1F:8E: 0E:64:8E:72:70:5A:05:E2:BD:07:4D:2F:91:79:2A:B9: 04:B1:57:B0:A0:F7:8D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-27T09:27:02+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
4843
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
1068
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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