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

hs-weingarten.de · 141.69.5.99:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`*.hs-weingarten.de' did not match expected CN=`hs-weingarten.de'

Certificate verification failed

Subject
C=DE ST=Baden-Wuerttemberg O=Hochschule Ravensburg-Weingarten CN=*.hs-weingarten.de
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS ECC 1
Valid from
2026-07-27T06:50:37+00:00
Expires
2027-02-11T06:50:36+00:00
Days remaining
141
Serial (hex)
62D76508FA947D42BBF52EFB972257D4
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:*.hs-weingarten.de, DNS:*.www.lsf.hs-weingarten.de, DNS:www.lsf.hs-weingarten.de, DNS:*.vs.rwu.de, DNS:*.rwu.de

SHA-256 fingerprint

6B:18:D0:DC:C6:7B:0B:9D:DD:CA:6F:92:01:70:AB:DC:F3:3A:8F:0F:66:F6:48:03:4F:0B:DE:09:AE:81:9D:5F
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:*.hs-weingarten.de, DNS:*.www.lsf.hs-weingarten.de, DNS:www.lsf.hs-weingarten.de, DNS:*.vs.rwu.de, DNS:*.rwu.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
7E:12:D4:3E:D6:66:49:26:A8:F3:C5:A6:ED:D6:6C:F0:84:A1:04:9E
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 27 07:00:39.356 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AC:74:3D:82:24:A4:1F:A5:71:C9:18: 03:1A:39:23:E5:44:5A:C6:3D:81:1D:70:DC:DE:28:E9: 1D:9B:C3:D9:69:02:20:63:68:42:A1:0D:8A:B1:F8:3C: 2C:E9:68:CE:E4:41:B9:85:CA:BF:59:41:B6:70:00:E1: 90:16:B7:31:12:3B:E9 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 27 07:00:39.387 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:75:C4:A5:A2:0B:89:C7:38:B5:FE:B3:55: F1:28:91:42:53:85:E4:51:61:5E:6B:4B:E5:A9:A8:E5: 81:78:CA:64:02:20:39:3D:FF:89:6D:61:77:7C:A7:45: E3:BD:62:43:FD:F7:7E:BD:00:95:35:80:AE:76:B0:C7: D4:24:CA:C2:E5:65 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 27 07:00:39.334 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:32:0D:AE:3A:E7:9A:2C:14:2F:06:47:AD: 71:67:31:68:5C:D1:82:30:F5:4B:7F:3D:57:28:0E:47: C9:44:4F:0F:02:21:00:E5:E3:31:76:B7:D0:D3:24:A5: 42:29:EB:FD:B3:E2:13:D9:CC:C3:D5:F4:4A:8A:E3:91: 7E:42:42:E2:8F:4A:7F
-----BEGIN CERTIFICATE-----
MIIFGDCCBJ6gAwIBAgIQYtdlCPqUfUK79S77lyJX1DAKBggqhkjOPQQDAzBgMQsw
CQYDVQQGEwJHUjE3MDUGA1UECgwuSGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJlc2Vh
cmNoIEluc3RpdHV0aW9ucyBDQTEYMBYGA1UEAwwPR0VBTlQgVExTIEVDQyAxMB4X
DTI2MDcyNzA2NTAzN1oXDTI3MDIxMTA2NTAzNlowcjELMAkGA1UEBhMCREUxGzAZ
BgNVBAgMEkJhZGVuLVd1ZXJ0dGVtYmVyZzEpMCcGA1UECgwgSG9jaHNjaHVsZSBS
YXZlbnNidXJnLVdlaW5nYXJ0ZW4xGzAZBgNVBAMMEiouaHMtd2VpbmdhcnRlbi5k
ZTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABItcs6G1zvwGMEqYANvD4SlaTBiF
JfNarxWanttTQHQW0sTlP4X+jfvowAg0TXsn8ecN16XE/YyKlEqcDwyKXPmjggMm
MIIDIjAMBgNVHRMBAf8EAjAAMB8GA1UdIwQYMBaAFOmZBo0XH6v7lhpayFteXV7s
2pyPMEgGCCsGAQUFBwEBBDwwOjA4BggrBgEFBQcwAoYsaHR0cDovL2NydC5oYXJp
Y2EuZ3IvSEFSSUNBLUdFQU5ULVRMUy1FMS5jZXIwagYDVR0RBGMwYYISKi5ocy13
ZWluZ2FydGVuLmRlghoqLnd3dy5sc2YuaHMtd2VpbmdhcnRlbi5kZYIYd3d3Lmxz
Zi5ocy13ZWluZ2FydGVuLmRlggsqLnZzLnJ3dS5kZYIIKi5yd3UuZGUwLQYDVR0g
BCYwJDAIBgZngQwBAgIwCAYGBACPegEHMA4GDCsGAQQBgc8RAQEBAjAdBgNVHSUE
FjAUBggrBgEFBQcDAgYIKwYBBQUHAwEwPQYDVR0fBDYwNDAyoDCgLoYsaHR0cDov
L2NybC5oYXJpY2EuZ3IvSEFSSUNBLUdFQU5ULVRMUy1FMS5jcmwwHQYDVR0OBBYE
FH4S1D7WZkkmqPPFpu3WbPCEoQSeMA4GA1UdDwEB/wQEAwIHgDCCAX0GCisGAQQB
1nkCBAIEggFtBIIBaQFnAHYAYEyar3p/d18B1Ab8kg3ImesLHH34yVIb+voXdzuX
i8kAAAGfomArPAAABAMARzBFAiEArHQ9giSkH6VxyRgDGjkj5URaxj2BHXDc3ijp
HZvD2WkCIGNoQqENirH4PCzpaM7kQbmFyr9ZQbZwAOGQFrcxEjvpAHUARqI5Z8YN
tkaHxm89+ZmUdpOmphEghFfVVefj0KHZtkYAAAGfomArWwAABAMARjBEAiB1xKWi
C4nHOLX+s1XxKJFCU4XkUWFea0vlqajlgXjKZAIgOT3/iW1hd3ynReO9YkP99369
AJU1gK52sMfUJMrC5WUAdgBEwr0M6RQOZKXJSgGTClqhuzWXDgDuERaJaCocRNe1
ZgAAAZ+iYCsmAAAEAwBHMEUCIDINrjrnmiwULwZHrXFnMWhc0YIw9Ut/PVcoDkfJ
RE8PAiEA5eMxdrfQ0ySlQinr/bPiE9nMw9X0SorjkX5CQuKPSn8wCgYIKoZIzj0E
AwMDaAAwZQIxAIFZEhY+Z4wbqQuMpYDpGwubjlPULBQKlIsgwjQJYyNDLGTcjWgc
LFhARuNWAVQuxQIwTdAHhprL+e3tZ4SpTxYpRbTsRRuQ1C+5yuX0asWDDTO9IC8E
rCtP/KxsQvLK1uzN
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-23T00:38:47+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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