learning.zu.de

Issued by Thawte DV SSL CA

About this certificate

This digital certificate with serial number 4d:b0:4c:4c:a4:6a:73:cb:2b:fe:50:e7:1b:54:93:c5 was issued on by Thawte, Inc..

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. 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.


We have idenified some issues with this certificate:
  • Compliant certificates must not encode explicitTest as an IA5String (RFC 6818: 3)
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
  • Compliant certificates should use the utf8string encoding for explicitText (RFC 6818: 3)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

Certificate Subject

CN=learning.zu.de

Thawte, Inc.

Organization: Thawte, Inc.
Organization unit: Domain Validated SSL
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 4d:b0:4c:4c:a4:6a:73:cb:2b:fe:50:e7:1b:54:93:c5
Serial Number (int): 103265947457895115054840767172830335941
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: ab:44:e4:5d:ec:83:c7:d9:c0:85:9f:f7:e1:c6:97:90:b0:8c:3f:98

Fingerprint (sha1): 07:1b:7d:9a:a8:dc:fb:f3:1a:11:42:5a:fc:10:31:8f:f8:a1:fb:60
Fingerprint (sha256): 15:ae:10:25:a7:ab:93:74:77:a2:a3:d8:4f:63:16:32:80:63:75:e3:42:de:b0:c9:9e:9f:18:27:a0:46:1f:79

Issuing Certificate URL: http://tc.symcb.com/tc.crt

Revocation information

OCSP Server: http://tc.symcd.com
CRL Distribution Point: http://tc.symcb.com/tc.crl

Check the revocation status for certificate learning.zu.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for learning.zu.de

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

learning.zu.de

Other certificates including the domain name zu.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for learning.zu.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2xEcy+7+9NITx1L8lnr7
muMz3slN8PcILl9q50if+6Sds6XhORD8akN0XlCMkLYk8N8A1CZWmJSKkRQ46JAw
B9q09kzACcsXJKMsLVZqUTn/P9+Phx9TJ6INicQ/xYR6RXFr/c99pHGtaKgDH+oe
t7KB+Ie/D0o0tIap83Ns+RA/kZkAXfufwck0DGEKqRAEVQp2nR9eHMk+/qWjioI2
A8l+l3LaKXkFv5ok/JXIXgQ/O5+8G78JEfCQocBVz8mqhr3UOV6adBEH/sKVWAyZ
AD0W9a5Ij58iQeO8mm+YaVo3sEotLrcEkVd1bt7a3e5ipYgu9GCuyoix7+XiPlXl
qQIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 103265947457895115054840767172830335941
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Thawte, Inc.'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Validated SSL'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Thawte DV SSL CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-07-23 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-07-22 23:59:59 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'learning.zu.de'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27654627269304304879530048953054819335899923636963396132154377791964060208839628151773914324287149171272137843403164805853358447241992236621497763139515768702372832133697015266059074637620508738258193530477528250021298210375014286752007178562890443698559892257652320967631119820188665246631610960370174351352416845958491078102325054816923883369442951697842286317335937064270567101299127507259339299783896488430747317341469120595189714907080178550016413782873101589151667085514505027726992478126253943694345388511651148811782862425350091546227252140669023501496024860067234402249670177589407593454039801997065186567593
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'learning.zu.de'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://tc.symcb.com/tc.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (94 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113733.1.7.54
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://d.symcb.com/cps'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://d.symcb.com/rpa'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName ab44e45dec83c7d9c0859ff7e1c69790b08c3f98
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (75 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://tc.symcd.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://tc.symcb.com/tc.crt'
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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