DNS
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

uni-heidelberg.de · 129.206.13.71:443

Verified

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

Subject
C=DE ST=Baden-Wuerttemberg O=Universitaet Heidelberg CN=*.ocp-west.urz.uni-heidelberg.de
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS RSA 1
Valid from
2025-12-12T13:50:40+00:00
Expires
2026-12-12T13:50:40+00:00
Days remaining
35
Serial (hex)
067FCA2B965BEA0FA1016B078B3B1E96
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.ocp-west.urz.uni-heidelberg.de, DNS:ocp-west.urz.uni-heidelberg.de, DNS:ub.uni-heidelberg.de, DNS:echo-wall.info, DNS:www.hse-heidelberg.de, DNS:www.urz.uni-heidelberg.de, DNS:*.ocp-nord.urz.uni-heidelberg.de, DNS:ocp-nord.urz.uni-heidelberg.de, DNS:e-science-tage.de, DNS:heiarchive.uni-heidelberg.de, DNS:trr186.de, DNS:www.heiarchive.uni-heidelberg.de, DNS:backend.urz.uni-heidelberg.de, DNS:uni-heidelberg.de, DNS:*.apps.ocp-ost.urz.uni-heidelberg.de, DNS:apps.ocp-ost.urz.uni-heidelberg.de, DNS:www.e-science-tage.de, DNS:echo-wall.de, DNS:echo-wall.org, DNS:hse-heidelberg.de, DNS:echo-wall.eu, DNS:www.trr186.uni-heidelberg.de, DNS:heimap.uni-heidelberg.de, DNS:foerderverein.hadw-bw.de, DNS:backend-484.uni-heidelberg.de, DNS:eventcalendar.urz.uni-heidelberg.de, DNS:www.echo-wall.info, DNS:trr186.uni-heidelberg.de, DNS:www.cert.uni-heidelberg.de, DNS:cert.uni-heidelberg.de, DNS:backend.uni-heidelberg.de, DNS:www.ub.uni-heidelberg.de, DNS:*.apps.ocp-nord.urz.uni-heidelberg.de, DNS:apps.ocp-nord.urz.uni-heidelberg.de, DNS:www.foerderverein.hadw-bw.de, DNS:hadw-bw.de, DNS:www.sites.uni-heidelberg.de, DNS:www.echo-wall.de, DNS:sites.uni-heidelberg.de, DNS:urz.uni-heidelberg.de, DNS:echo-wall.net, DNS:www.trr186.de, DNS:feust.jura.uni-heidelberg.de, DNS:www.echo-wall.net, DNS:*.apps.ocp-west.urz.uni-heidelberg.de, DNS:apps.ocp-west.urz.uni-heidelberg.de, DNS:heika-research.de, DNS:www.echo-wall.eu, DNS:backend.sites.uni-heidelberg.de, DNS:www.uni-heidelberg.de, DNS:backend.ub.uni-heidelberg.de, DNS:www.heika-research.de, DNS:*.ocp-ost.urz.uni-heidelberg.de, DNS:ocp-ost.urz.uni-heidelberg.de, DNS:www.hadw-bw.de, DNS:www.echo-wall.org, DNS:heimap-dev.urz.uni-heidelberg.de

SHA-256 fingerprint

67:1F:0F:E2:C2:9E:E0:B0:D5:71:C8:C3:66:EC:A4:42:0A:12:1C:08:9E:8D:2B:F0:B8:37:1C:11:3B:B6:E3:41
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 OCSP - URI:http://ocsp-tls.harica.gr
subjectAltName
DNS:*.ocp-west.urz.uni-heidelberg.de, DNS:ocp-west.urz.uni-heidelberg.de, DNS:ub.uni-heidelberg.de, DNS:echo-wall.info, DNS:www.hse-heidelberg.de, DNS:www.urz.uni-heidelberg.de, DNS:*.ocp-nord.urz.uni-heidelberg.de, DNS:ocp-nord.urz.uni-heidelberg.de, DNS:e-science-tage.de, DNS:heiarchive.uni-heidelberg.de, DNS:trr186.de, DNS:www.heiarchive.uni-heidelberg.de, DNS:backend.urz.uni-heidelberg.de, DNS:uni-heidelberg.de, DNS:*.apps.ocp-ost.urz.uni-heidelberg.de, DNS:apps.ocp-ost.urz.uni-heidelberg.de, DNS:www.e-science-tage.de, DNS:echo-wall.de, DNS:echo-wall.org, DNS:hse-heidelberg.de, DNS:echo-wall.eu, DNS:www.trr186.uni-heidelberg.de, DNS:heimap.uni-heidelberg.de, DNS:foerderverein.hadw-bw.de, DNS:backend-484.uni-heidelberg.de, DNS:eventcalendar.urz.uni-heidelberg.de, DNS:www.echo-wall.info, DNS:trr186.uni-heidelberg.de, DNS:www.cert.uni-heidelberg.de, DNS:cert.uni-heidelberg.de, DNS:backend.uni-heidelberg.de, DNS:www.ub.uni-heidelberg.de, DNS:*.apps.ocp-nord.urz.uni-heidelberg.de, DNS:apps.ocp-nord.urz.uni-heidelberg.de, DNS:www.foerderverein.hadw-bw.de, DNS:hadw-bw.de, DNS:www.sites.uni-heidelberg.de, DNS:www.echo-wall.de, DNS:sites.uni-heidelberg.de, DNS:urz.uni-heidelberg.de, DNS:echo-wall.net, DNS:www.trr186.de, DNS:feust.jura.uni-heidelberg.de, DNS:www.echo-wall.net, DNS:*.apps.ocp-west.urz.uni-heidelberg.de, DNS:apps.ocp-west.urz.uni-heidelberg.de, DNS:heika-research.de, DNS:www.echo-wall.eu, DNS:backend.sites.uni-heidelberg.de, DNS:www.uni-heidelberg.de, DNS:backend.ub.uni-heidelberg.de, DNS:www.heika-research.de, DNS:*.ocp-ost.urz.uni-heidelberg.de, DNS:ocp-ost.urz.uni-heidelberg.de, DNS:www.hadw-bw.de, DNS:www.echo-wall.org, DNS:heimap-dev.urz.uni-heidelberg.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-R1.crl
subjectKeyIdentifier
AA:41:C1:C3:E6:87:13:B7:68:CE:F2:A7:A2:5A:88:86:4C:39:BA:2E
keyUsage
Digital Signature, Key Encipherment
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 : Dec 12 14:00:42.545 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DC:B6:CE:E6:7B:49:9C:16:74:0D:91: 29:D1:24:E8:C8:3F:DC:B5:BF:CF:9E:0C:39:0A:3C:1C: 1A:2C:FE:7C:A5:02:20:02:C2:ED:02:CF:83:93:43:85: 1C:2F:C2:EB:72:54:5C:50:5B:3C:57:C0:09:86:5D:F1: 7F:1D:D9:53:EF:E3:46 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 : Dec 12 14:00:42.553 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D3:E0:6E:BC:81:ED:E4:4C:0A:E9:E0: 9A:1C:0D:81:8A:A7:26:0E:5E:A0:27:8A:78:33:08:B1: F1:A5:CE:7A:AD:02:21:00:9B:86:88:A1:61:3A:8C:AB: 22:B6:5F:E7:6D:EA:55:C5:46:67:2C:17:25:F4:94:D7: 33:82:1D:76:41:6B:83:25 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 : Dec 12 14:00:42.503 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B3:32:24:1D:94:E4:85:B7:2B:2E:1A: 6F:C6:A2:C5:F3:CF:EA:53:58:86:C2:74:A5:47:04:E8: FF:4E:F4:83:11:02:21:00:FB:07:C8:59:04:CE:82:B6: 43:27:ED:81:37:E9:96:F1:E4:36:2D:41:3F:AD:17:91: 29:9E:5C:96:23:BF:34:B4
-----BEGIN CERTIFICATE-----
MIINlzCCC/+gAwIBAgIQBn/KK5Zb6g+hAWsHizseljANBgkqhkiG9w0BAQsFADBg
MQswCQYDVQQGEwJHUjE3MDUGA1UECgwuSGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl
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zz94O0piXJNjBcg4eSSkchUs5m7vqHsT1obA
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-06T21:49:18+00:00

Server-presented chain · 2 additional certificates

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
4802
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-----
MIIGBTCCA+2gAwIBAgIQFNV782kiKCGaVWf6kWUbIjANBgkqhkiG9w0BAQsFADBs
MQswCQYDVQQGEwJHUjE3MDUGA1UECgwuSGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl
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MAkGA1UEBhMCR1IxNzA1BgNVBAoMLkhlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNl
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AaIwDQYJKoZIhvcNAQEBBQADggGPADCCAYoCggGBAKEEaZSzEzznAPk8IEa17GSG
yJzPTj4cwRY7/vcq2BPT5+IRGxQtaCdgLXIEl2cdPdIkj2eyakFmgMjAtyeju8V8
dRayQCD/bWjJ7thDlowgLljQaXirxnYbT8bzRHAhCZqBakYgi5KWw9dANLyDHGpX
UdY259ab0lWEaFE5Uu6IzQSMJOAy4l/Twym8GUiy0qMDEBFSlm31C9BXpdHKKAlh
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FiwHg1KiLk1TprcZgeO2gxE5Lz3wTFWrsUlAzrh5xWmscWkjNi/4BpeuiT5+NExF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ef+fUfmXrFcgBMcMbtfDb9dubFKNZZxo5nAXiqhFMOIyByag3H+tOTuH8zuId9pH
RDsUpAIHJ9/W2WBfLcKav7IKRlNBRD/sPBy903J9WHPKwl8kQSDA+aa7XCYk7bJt
Eyf+7GM9F5cZ7+YyknXqnv/rtQEkTKZdQo5Us18VFe9qqj94tXbLdk7PejJYNB4O
Zlli44Ld7rtqfFlUych7gIxFOmiyxMQQYrYmUi+74lEZvfoNhuref0CupuKpz6O3
dLv6kO9T10uNdDBoBQTkge3UzHafTIe3R2o3ujXKUGPwyc9m7/FETyKLUCwSU/5O
AVOeBCU8QtkKKjM8AmbpKpe3pHWcyq3R7B3LmIALkMPTydyDfxen65IDqREbVq8N
xjhkJThUz40JqOlN6uqKqeDISj/IoucYwsqW24AlO7ZzNmohQmMi8ep23H4hBSh0
GBTe2XvkuzaNf92syK8l2HzO+13GLCjzYLTPvXTO9UpK8DGyfGZOuamuwbAnbNpE
3RfjV9IaUQGJ
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GR O=Hellenic Academic and Research Institutions CA CN=HARICA TLS RSA Root CA 2021
Issuer
C=GR L=Athens O=Hellenic Academic and Research Institutions Cert. Authority CN=Hellenic Academic and Research Institutions RootCA 2015
Valid from
2021-09-02T07:41:55+00:00
Expires
2029-08-31T07:41:54+00:00
Days remaining
1028
Serial (hex)
2A6086D4D4DE45C95E4B98FBBF2FBF26
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4A:CD:8D:C6:02:0A:54:5A:85:89:43:A5:53:B5:E0:F3:FC:5B:85:9A:EA:17:46:65:0D:69:CF:12:10:F9:56:D8
Certificate extensions & PEM
basicConstraints
CA:TRUE
authorityKeyIdentifier
71:15:67:C8:C8:C9:BD:75:5D:72:D0:38:18:6A:9D:F3:71:24:54:0B
authorityInfoAccess
CA Issuers - URI:http://repo.harica.gr/certs/HaricaRootCA2015.crt
certificatePolicies
Policy: X509v3 Any Policy
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.harica.gr/HaricaRootCA2015.crl
subjectKeyIdentifier
0A:48:23:A6:60:A4:92:0A:33:EA:93:5B:C5:57:EA:25:4D:BD:12:EE
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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