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

fhstp.ac.at · 91.219.69.47:443

Verified

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

Subject
C=AT ST=Niederösterreich O=Hochschule für Angewandte Wissenschaften St. Pölten GmbH CN=*.fhstp.ac.at
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS RSA 1
Valid from
2026-03-11T08:16:14+00:00
Expires
2027-03-11T08:16:14+00:00
Days remaining
125
Serial (hex)
31B68EA6B9EFA81B473F78C9489D8BC9
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.fhstp.ac.at, DNS:fhstp.ac.at

SHA-256 fingerprint

8E:8C:78:1D:19:8E:E4:9A:01:6C:4D:5D:7C:8C:03:72:F8:79:C1:16:CA:DB:00:68:AC:7E:25:87:F6:36:31:E6
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:*.fhstp.ac.at, DNS:fhstp.ac.at
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
9E:FE:D8:AB:4D:ED:84:B8:74:A1:5A:7C:5A:3F:7F:62:2E:A1:B0:70
keyUsage
Digital Signature, Key Encipherment
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Mar 11 08:26:16.348 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:61:CD:CE:01:1C:A0:F9:D2:D7:DB:05:DA: 68:BC:EB:7C:EA:20:59:4D:C4:CF:71:F6:A8:EC:47:8D: D3:61:44:15:02:20:7E:BB:4A:5F:7E:53:CA:1B:70:51: CD:67:07:3A:EA:99:CC:85:03:A3:A9:DF:FA:1E:52:3A: E7:0B:F2:88:8E:D5 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 : Mar 11 08:26:16.297 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:69:75:A1:CD:F6:2E:12:4A:02:A0:36:A3: 24:8F:7D:B1:80:10:A6:FE:78:3A:8B:5B:A2:2C:DA:82: 96:A9:C6:9A:02:20:18:B4:D6:78:09:4C:F5:B3:A5:87: A0:C5:45:D5:24:9D:C1:64:1F:69:C7:BD:1C:A3:56:A9: E1:8F:97:30:A1:24 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Mar 11 08:26:16.384 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:EC:F1:3F:85:1A:C3:B0:A8:EB:2B:D7: 90:A9:E9:69:2A:AC:F2:D0:21:09:80:E9:5E:16:77:79: 25:82:19:57:FB:02:20:2B:6E:DA:AE:50:8A:DC:7B:9F: 73:9C:36:4F:74:4E:F4:9B:75:2E:60:86:BA:57:B1:98: 4A:A2:41:E3:F9:65:86
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-05T16:32:18+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
4803
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-----

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
1029
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-----
MIIGwDCCBKigAwIBAgIQKmCG1NTeRcleS5j7vy+/JjANBgkqhkiG9w0BAQsFADCB
pjELMAkGA1UEBhMCR1IxDzANBgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVu
aWMgQWNhZGVtaWMgYW5kIFJlc2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRo
b3JpdHkxQDA+BgNVBAMTN0hlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJ
bnN0aXR1dGlvbnMgUm9vdENBIDIwMTUwHhcNMjEwOTAyMDc0MTU1WhcNMjkwODMx
MDc0MTU0WjBsMQswCQYDVQQGEwJHUjE3MDUGA1UECgwuSGVsbGVuaWMgQWNhZGVt
aWMgYW5kIFJlc2VhcmNoIEluc3RpdHV0aW9ucyBDQTEkMCIGA1UEAwwbSEFSSUNB
IFRMUyBSU0EgUm9vdCBDQSAyMDIxMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC
CgKCAgEAi8Lnr2WbBWeWyQ0kudAOZPzO4iQYLIR/d1HLBBE2uF7taXGnnuQlCZdn
wUfCz5EWNmI9OAThUYL/rNK0ad0u7BGjRe5raztMv4yNpB6dEbnpOPl6DgyY4iMd
0U5j1Oe4QUT7a69r2h/TxZGIW6SJktGB5ow5WKDWaUOprZhSWG7bCvtrz2j646Re
OkVzmAfqXwJy3gyls5+uqR23HbP8ilnnbnJlrfUwlCMH84IWSzWYnFO7L8rkWtnH
jR38mJn7LKSCa/AqH44LX3FcXK5CeymJgcsDo5nKiJ4LQAlBM9vmWHr9rplwwFoP
1hOGcS92afyQ3dstbtHym/Uaa55vFYx68EsooCI4gCRsNqQ78jCR83gTz8E/Navx
HREjtUMingGStxgC5RHRgtsVAMxhN8EqfJrh0LqzUEbugqydMfj7I+IDAEhwowkm
eRVTYPM4XK046oEAYxS5M17dC9ugRQcaMwn4TbSnAqZp9MJZBYhlhVauS8vg3jx9
LRrI6fsfo2FK1ioTrXdMGhibkQ9Y2AZUxZf4qj8giqaFpnf2pvwc4u5ulDMqg1CE
CuVPhvhQRXgAgetbaOMmjcx7XFH0FCxAvhpgHXpyYR0fYy2Iqs6iRZAI/Gu+s1Aq
Wv2oSBhG1pBAkpAKhF5oMfjr7Q3THcZ9mRhVVidlLo1FxSTszuMCAwEAAaOCASEw
ggEdMA8GA1UdEwEB/wQFMAMBAf8wHwYDVR0jBBgwFoAUcRVnyMjJvXVdctA4GGqd
83EkVAswTAYIKwYBBQUHAQEEQDA+MDwGCCsGAQUFBzAChjBodHRwOi8vcmVwby5o
YXJpY2EuZ3IvY2VydHMvSGFyaWNhUm9vdENBMjAxNS5jcnQwEQYDVR0gBAowCDAG
BgRVHSAAMB0GA1UdJQQWMBQGCCsGAQUFBwMCBggrBgEFBQcDATA6BgNVHR8EMzAx
MC+gLaArhilodHRwOi8vY3JsLmhhcmljYS5nci9IYXJpY2FSb290Q0EyMDE1LmNy
bDAdBgNVHQ4EFgQUCkgjpmCkkgoz6pNbxVfqJU29Eu4wDgYDVR0PAQH/BAQDAgGG
MA0GCSqGSIb3DQEBCwUAA4ICAQDAze/rVni3cYGP1BWkxXnIVynqHcC6Cw7kbkXo
XBZAqF9ANQAKoz2YQ+WyzrparKVilMG6p6mdWTKeLy6eQDRhFSu9DrMYr4TBYxIp
2e5ZLQBk96xbG3wSepBCkTDA0MA0NybzM0gF5nTa82BMCED8EQXliWWsgqUorXuk
7msadosX793M42llmAcj1zJkADzlyzi4gcPvIc4skfmz1OW9jxxwyaR/41VYzPVy
w7m0rsL9n3v5PCFJ1zrldYayKq9gOdwOZInNJQgPU6imXEFBZWdqdR+xdL7qHVMk
dzBRoFqnYjr2bonw87Rxk7dAsdzmUUPJTIayzDTdtU78XkOl0FivJWBXDQPiVB2Z
5NdOVPUANDnADA5octuC3YTG2ncpG9aNKM4ggAyr3imdnz5UZdioYkecv2TVJHT2
lXE5PH/ifJs8p9+WFgyzFsW97BUF1nKsZiUWvlyPY9C9PKuhI4OMeTEA99YIRXYj
XDSZq300ko5sXUVKVG2osAR4Sr3wqS5hLGNBfym7FZwsQ+/ja+fenEALAbAiEMpI
9h71lpMpIhdx7rdRznNeSOok/pVMaqvBZ0IvAq+yXb7d8C+tAND0IcUxYyyJqkE7
89RJdcGZO9JMXv4inBFIEuMAMlGPxzcroEx+ehDXyGR0asw7CooV2DCfiEJlIsKz
LcPZew==
-----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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