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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

hs-coburg.de · 192.129.27.190:443

Verified

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

Subject
C=DE ST=Bayern O=Hochschule fuer angewandte Wissenschaften Coburg CN=www.coburg-university.de
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS ECC 1
Valid from
2026-07-22T15:33:15+00:00
Expires
2027-02-06T15:33:14+00:00
Days remaining
108
Serial (hex)
72FEC2F21E06F0F1214DB1BE4B202F53
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:www.coburg-university.de, DNS:autoconfig.hs-coburg.de, DNS:autodiscover.hs-coburg.de, DNS:coburg.university, DNS:itfo2025.de, DNS:coburg-university.de, DNS:www.itfo2025.de, DNS:hs-coburg.de, DNS:vc.hs-coburg.de, DNS:web1-prod.hs-coburg.de, DNS:www.coburg.university, DNS:www.hs-coburg.de

SHA-256 fingerprint

3D:47:F5:06:42:B5:F9:A1:EE:DA:6F:D9:5E:CC:56:15:14:AC:BB:74:72:EA:0C:F6:64:98:14:3F:15:33:27:51
Certificate extensions & PEM
basicConstraints
CA:FALSE
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
subjectAltName
DNS:www.coburg-university.de, DNS:autoconfig.hs-coburg.de, DNS:autodiscover.hs-coburg.de, DNS:coburg.university, DNS:itfo2025.de, DNS:coburg-university.de, DNS:www.itfo2025.de, DNS:hs-coburg.de, DNS:vc.hs-coburg.de, DNS:web1-prod.hs-coburg.de, DNS:www.coburg.university, DNS:www.hs-coburg.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
09:25:CF:89:A6:06:09:FB:9E:B0:21:88:64:70:1C:DE:E8:D9:03:66
keyUsage
Digital Signature
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 15:43:17.181 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:48:96:CD:1C:D1:43:0A:8C:C4:C3:89:FE: B3:F6:A0:EE:C8:B2:6A:39:74:09:19:A4:4B:FA:05:FF: 93:28:FB:37:02:20:08:9E:F9:F6:3E:D8:FB:D9:BA:73: F0:70:EE:F3:AB:65:44:93:FF:05:F5:7A:AF:24:55:57: 35:94:89:16:F1:B0 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 15:43:17.206 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F0:B8:0C:4B:65:AE:F0:D3:50:26:FE: 88:ED:57:78:96:C6:23:93:84:8E:FE:2D:41:4F:B0:EC: 1A:50:5E:C2:4D:02:20:09:0F:74:FF:80:49:76:5A:28: 78:C1:03:60:03:59:DE:67:B7:3C:60:FD:85:FE:F3:71: 81:52:09:4A:3D:A7:5F 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 15:43:17.204 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F6:D0:C1:FC:08:D7:13:60:71:F6:26: 3F:53:FB:70:D5:B6:FB:43:03:0A:60:1F:19:34:CE:61: 0D:6A:E6:35:C0:02:21:00:A6:C9:7F:2D:59:D3:0C:C5: 59:72:90:0F:86:77:8F:56:85:72:7A:47:67:5F:46:60: 78:A0:D1:B2:69:72:B7:AC
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-20T18:44:54+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
4819
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
1045
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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