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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

TLSv1.2

ceti.gr · 195.251.3.14:443

Verified

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

Subject
C=GR ST=Attica L=Marousi O=ATHENA CN=ipet.gr
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS RSA 1
Valid from
2026-07-22T21:59:44+00:00
Expires
2027-02-06T21:59:43+00:00
Days remaining
103
Serial (hex)
525EE8A222AD132D728D7F88FAF3E47D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:ipet.gr, DNS:www.ipet.gr, DNS:ceti.gr, DNS:www.ceti.gr

SHA-256 fingerprint

DF:07:A3:0F:11:6C:FC:DE:EC:F9:53:E6:25:81:42:B3:D7:1D:D4:EB:61:62:5F:30:89:91:2C:4C:A7:25:EC:C9
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
subjectAltName
DNS:ipet.gr, DNS:www.ipet.gr, DNS:ceti.gr, DNS:www.ceti.gr
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
B8:7D:00:CE:FA:CE:86:AA:F1:F1:00:C6:B3:A5:4C:91:DA:13:8D:1A
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 22:09:50.783 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:06:F4:E3:ED:86:20:9F:69:13:C5:FF:63: 3A:C7:22:4A:DF:03:7E:79:08:6E:04:31:B2:C7:A8:D2: 3F:CB:24:32:02:20:66:30:5F:7B:D7:39:1D:6C:D0:E5: 92:1F:00:96:9B:9F:01:F5:02:D9:6C:0E:23:83:30:6A: 94:95:47:65:52:83 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 22:09:50.799 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:EE:2A:46:94:7F:C0:FD:CE:A4:7A:9D: 8F:31:86:E2:55:7D:6B:EB:40:6C:F4:0A:8C:89:D1:FA: C1:60:12:7F:3C:02:21:00:86:73:E6:C1:BE:52:2B:C2: 23:D2:8E:9D:0D:EE:40:51:4A:FB:5F:85:6E:DF:5F:D0: 2A:77:71:27:F5:D8:14:E2 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 22:09:50.746 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:4B:DF:04:D9:7B:3F:80:4D:A7:BB:7B:6A: 6B:7A:DF:93:18:ED:80:30:21:17:A5:4B:C3:11:67:90: 3C:8E:6F:64:02:20:34:B6:7F:7E:27:AD:DC:FB:9B:18: C9:CC:39:C3:21:0A:3B:25:E8:5A:79:DC:59:8B:FF:2A: 18:D4:90:80:C9:B9
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: DHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-25T23:10:54+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
4814
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-----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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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