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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

fau.de · 131.188.16.212:443

Verified

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

Subject
C=DE ST=Bayern O=Friedrich-Alexander-Universitaet Erlangen-Nuernberg CN=www.fau.de
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS ECC 1
Valid from
2025-11-19T13:13:51+00:00
Expires
2026-11-19T13:13:51+00:00
Days remaining
57
Serial (hex)
62A4AF294E86E03D409AEDECD913FC7C
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

DNS:www.fau.de, DNS:uni-erlangen.de, DNS:www.uni-erlangen.de, DNS:fau.de

SHA-256 fingerprint

E4:AB:35:8C:C3:B2:7D:DD:37:FB:DB:5C:0E:75:76:BF:08:75:68:AE:4F:86:90:1A:33:A0:46:E8:E2:45:46:B7
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.fau.de, DNS:uni-erlangen.de, DNS:www.uni-erlangen.de, DNS:fau.de
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
0A:8A:CF:DC:A6:46:9B:B2:F2:17:F2:25:B0:8B:5E:79:84:30:7C:CF
keyUsage
Digital Signature
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 : Nov 19 13:23:53.132 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:26:62:6D:D1:6F:B1:33:FB:C9:89:24:06: 88:81:E9:A6:E8:AE:0D:DB:8A:98:A7:AF:29:25:53:E4: 9E:73:46:F0:02:20:2C:D4:6B:D5:60:62:00:67:26:36: 66:6F:41:40:F7:24:02:22:B5:59:DE:26:68:8F:DB:20: CD:E7:E7:FB:AE:E7 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 19 13:23:53.101 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:76:80:E7:62:6C:10:71:1A:AB:F2:A3:73: ED:A0:65:C2:3A:59:9A:51:43:DC:4E:C2:AD:D4:F7:D3: 17:EE:F3:2E:02:20:10:33:54:86:80:31:3D:EF:F0:92: 18:3A:5F:F9:C2:4C:46:9A:9F:06:36:8E:41:3B:E2:24: 53:68:79:11:72:00 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Nov 19 13:23:53.154 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:04:E9:B4:4F:B0:06:5C:63:A6:EA:DD:36: F2:09:59:77:FE:F4:8F:D3:33:A8:CF:1C:E5:C2:73:7B: DC:9E:45:9F:02:20:41:2E:29:12:70:06:D7:D0:A9:0E: DC:AE:79:30:AE:DB:2C:E0:AC:EB:F0:4C:1D:83:95:BF: 0D:68:23:D5:70:81
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-22T22:48:25+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
4847
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
1073
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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