Issued by DFN-Verein PCA Global - G01

About this certificate

This digital certificate with serial number 0a:a9:db:1e was issued on by DFN-Verein .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.

Cerificate errors/warnings *beta

  • ERROR: KeyUsage extension SHOULD be marked as critical when present
  • ERROR: Certificate has key usage [CertSign] set
  • ERROR: Certificate has key usage [CRLSign] set

Technische Universitaet Darmstadt

Organization: Technische Universitaet Darmstadt
State / Province: Hessen
Locality: Darmstadt
Country: DE


Organization: DFN-Verein
Organization unit: DFN-PKI
State / Province: Hessen
Locality: Darmstadt
Country: DE

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 0a:a9:db:1e
Serial Number (int): 178903838
Serial Number lenght: 28 bits, 4 octets

SubjectKeyId: ba:37:c8:a4:74:c6:34:3e:91:27:9f:55:1b:5e:f8:1b:d9:a8:e4:41
AuthorityKeyId: 49:b7:c6:cf:e8:3d:1f:7f:ea:44:7b:13:29:f7:f1:0a:70:3e:de:64

Fingerprint (sha1): 2e:43:40:ea:47:47:86:31:9c:78:67:a4:3c:cf:93:12:fc:b0:b2:a0
Fingerprint (sha256): 2a:d6:09:69:bc:84:07:b6:40:6d:08:7c:b1:99:40:08:46:f2:88:25:83:be:cb:cc:f0:a1:d2:2f:e3:f8:3f:fb

Issuing Certificate URL: http://cdp1.pca.dfn.de/global-root-ca/pub/cacert/cacert.crt
Issuing Certificate URL: http://cdp2.pca.dfn.de/global-root-ca/pub/cacert/cacert.crt

Revocation information

CRL Distribution Point: http://cdp1.pca.dfn.de/global-root-ca/pub/crl/cacrl.crl
CRL Distribution Point: http://cdp2.pca.dfn.de/global-root-ca/pub/crl/cacrl.crl

Check the revocation status for the current certificate on TUD CA G01
DNS Names
Email Addresses
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Advanced Certificate Properties

Technical details about this certificate

Public Key Algorithm


Key Size


Signature Algorithm

SHA1 with RSA

Key Usage

Cert Sign
CRL Sign

Extended Key Usages


7 extensions
No unhandled critical extensions

CA Certificate

This is a CA certificate
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Subject Alternative Names