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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

unifr.ch · 134.21.80.50:443

Verified

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

Subject
C=CH L=Fribourg O=Universität Freiburg CN=www.unifr.ch
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-07-02T00:00:00+00:00
Expires
2027-01-16T23:59:59+00:00
Days remaining
72
Serial (hex)
0700A583B3B3E73FB19A92B9F68D59B4
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.unifr.ch, DNS:unifr.ch, DNS:agenda.unifr.ch, DNS:alumni.unifr.ch, DNS:blog.unifr.ch, DNS:bsu.unifr.ch, DNS:cdn.unifr.ch, DNS:events.unifr.ch, DNS:fondation.unifr.ch, DNS:human-ist.unifr.ch

SHA-256 fingerprint

8D:E5:C4:6D:0D:9D:D9:C0:E2:59:97:2D:16:B7:C9:07:8B:A3:42:42:84:E3:D3:C3:EE:1A:89:61:90:07:21:5F
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
15:34:B2:66:A7:66:45:D2:7D:E0:50:03:6D:33:23:5A:DA:15:30:90
subjectAltName
DNS:www.unifr.ch, DNS:unifr.ch, DNS:agenda.unifr.ch, DNS:alumni.unifr.ch, DNS:blog.unifr.ch, DNS:bsu.unifr.ch, DNS:cdn.unifr.ch, DNS:events.unifr.ch, DNS:fondation.unifr.ch, DNS:human-ist.unifr.ch
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
basicConstraints
CA:FALSE
ct_precert_scts
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 : Jul 2 07:51:40.887 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:02:61:0C:C4:A6:2E:D0:A3:7F:07:FB:C4: 6D:68:D0:D8:EC:8F:4A:2E:1D:6E:9A:2F:FE:64:B6:4B: 91:2C:77:25:02:20:0E:98:25:4D:D1:95:E0:8E:F2:63: 41:CF:3C:9B:67:F0:E2:F9:37:50:C5:01:C8:81:A9:F8: 4F:8C:DE:81:DF:99 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 2 07:51:40.947 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:EF:5E:C9:7B:D3:34:86:8A:63:1F:E5: 84:E5:72:68:1B:80:2A:C3:5B:12:CD:60:31:4B:71:4B: 69:58:EF:21:56:02:20:02:94:BF:B9:B1:A8:84:79:28: F7:52:3C:E4:57:EA:7A:A9:F6:76:0C:D6:32:17:92:0C: FD:12:95:5D:F5:50:E6 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Jul 2 07:51:40.977 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:6B:4B:5B:FA:69:C9:A5:B8:F2:61:DD:7A: 89:4E:41:45:1C:49:ED:19:4A:3A:B9:1C:49:3E:D5:E3: 1B:BE:A3:78:02:21:00:92:39:06:36:FF:D1:61:D3:23: D9:D8:3E:C6:D6:BA:A9:18:12:81:95:15:2C:EF:5A:62: D4:E2:90:B8:D9:9A:1A
-----BEGIN CERTIFICATE-----
MIIHTDCCBjSgAwIBAgIQBwClg7Oz5z+xmpK59o1ZtDANBgkqhkiG9w0BAQsFADBZ
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMTMwMQYDVQQDEypE
aWdpQ2VydCBHbG9iYWwgRzIgVExTIFJTQSBTSEEyNTYgMjAyMCBDQTEwHhcNMjYw
NzAyMDAwMDAwWhcNMjcwMTE2MjM1OTU5WjBXMQswCQYDVQQGEwJDSDERMA8GA1UE
BxMIRnJpYm91cmcxHjAcBgNVBAoMFVVuaXZlcnNpdMOkdCBGcmVpYnVyZzEVMBMG
A1UEAxMMd3d3LnVuaWZyLmNoMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC
AQEApyhmcbA6FrgA3eow1zjzayic9XriBg+oyKnPdg0XdSM1HZ+RaSjBiKsLvTXD
pC4qb7eQUVHtNg7WyAad9BTAOmrbc/idGJhQ5yc8tm6L1kdNNzqii0KIMRyodHky
/5hjAnVWxdZjQXmCOB63annZY0MEhJbIoLLVptgZruEdciZj4mfI3posXKERXXSD
8bLjpkfpkf9h2eLFuYAiXF3Mm9izvP1QQhBblelrZ2IUbmALK1kaJzqm2QOYkVMO
f4IP/6BANN/xa6q9KuN9G0KSb1xSUnJlcK35Xj39OD4BRorf+HMf0V+NgM+Ty73l
Q6uQUOPpq+ZHZOKEG6h6Fz37JQIDAQABo4IEEDCCBAwwHwYDVR0jBBgwFoAUdIWA
wGbH3zfez70pN6oDHb7tzRcwHQYDVR0OBBYEFBU0smanZkXSfeBQA20zI1raFTCQ
MIGpBgNVHREEgaEwgZ6CDHd3dy51bmlmci5jaIIIdW5pZnIuY2iCD2FnZW5kYS51
bmlmci5jaIIPYWx1bW5pLnVuaWZyLmNogg1ibG9nLnVuaWZyLmNoggxic3UudW5p
ZnIuY2iCDGNkbi51bmlmci5jaIIPZXZlbnRzLnVuaWZyLmNoghJmb25kYXRpb24u
dW5pZnIuY2iCEmh1bWFuLWlzdC51bmlmci5jaDA+BgNVHSAENzA1MDMGBmeBDAEC
AjApMCcGCCsGAQUFBwIBFhtodHRwOi8vd3d3LmRpZ2ljZXJ0LmNvbS9DUFMwDgYD
VR0PAQH/BAQDAgWgMBMGA1UdJQQMMAoGCCsGAQUFBwMBMIGfBgNVHR8EgZcwgZQw
SKBGoESGQmh0dHA6Ly9jcmwzLmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEdsb2JhbEcy
VExTUlNBU0hBMjU2MjAyMENBMS0xLmNybDBIoEagRIZCaHR0cDovL2NybDQuZGln
aWNlcnQuY29tL0RpZ2lDZXJ0R2xvYmFsRzJUTFNSU0FTSEEyNTYyMDIwQ0ExLTEu
Y3JsMIGHBggrBgEFBQcBAQR7MHkwJAYIKwYBBQUHMAGGGGh0dHA6Ly9vY3NwLmRp
Z2ljZXJ0LmNvbTBRBggrBgEFBQcwAoZFaHR0cDovL2NhY2VydHMuZGlnaWNlcnQu
Y29tL0RpZ2lDZXJ0R2xvYmFsRzJUTFNSU0FTSEEyNTYyMDIwQ0ExLTEuY3J0MAwG
A1UdEwEB/wQCMAAwggF9BgorBgEEAdZ5AgQCBIIBbQSCAWkBZwB1AExj3JjlnB2r
iPYeij3ero+rRKM3e1+blMP7oZz8wb4mAAABnyHP5lcAAAQDAEYwRAIgAmEMxKYu
0KN/B/vEbWjQ2OyPSi4dbpov/mS2S5EsdyUCIA6YJU3RleCO8mNBzzybZ/Di+TdQ
xQHIgan4T4zegd+ZAHYARMK9DOkUDmSlyUoBkwpaobs1lw4A7hEWiWgqHETXtWYA
AAGfIc/mkwAABAMARzBFAiEA717Je9M0hopjH+WE5XJoG4Aqw1sSzWAxS3FLaVjv
IVYCIAKUv7mxqIR5KPdSPORX6nqp9nYM1jIXkgz9EpVd9VDmAHYAHJ9oLOn68EVp
UPgbloqH3dsyENhM5siy44JSSsTPWZ8AAAGfIc/msQAABAMARzBFAiBrS1v6acml
uPJh3XqJTkFFHEntGUo6uRxJPtXjG76jeAIhAJI5Bjb/0WHTI9nYPsbWuqkYEoGV
FSzvWmLU4pC42ZoaMA0GCSqGSIb3DQEBCwUAA4IBAQCt5lmj5g8tZhTPYdvfjhnX
Ow3ulbOCgHLeDgcrSvzQY15XIvxXTnjORxPBH8rfX2fImwvTYJ+zNxc6I3h3dlez
BujELWR2aTleTRUjXboQpbq5D40FtnqBgNe2Bdn692oY3ub/wwPzPCCjwpnbykYV
cubPfgvZEqKUp8V+C/VVnFGXWOIjnXfgOEMAWRdK0mLH/Q2RHzAdznE40sU/ZJz0
LVARJVqf4jG6zg6ruwGpD0IaxA4/V6pH5FP0yTEzkJoqHTujN6hcakFP8t2Q4ATz
dnEE5TJxcwoBBiafp/iWf8dN6fZpJ2ZYQni+3VAsau8zFlGcyMCWtMShi9RM0cZu
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-05T09:21:56+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1605
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----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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