arbeitszeitstudie.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f3:9b:c4:9d:4c:f6:55:3a:c6:dd:d2:cd:62:8e:71:37:b3 was issued on by Let's Encrypt.

With 7 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=arbeitszeitstudie.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f3:9b:c4:9d:4c:f6:55:3a:c6:dd:d2:cd:62:8e:71:37:b3
Serial Number (int): 344232524177035605821059769929240165824435
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 40:e7:67:28:60:ba:b8:63:b8:c6:8f:b0:cc:6d:09:a3:5a:f7:b9:08
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1c:5f:d8:e1:05:7d:a6:76:72:c5:30:3a:46:1a:fe:dc:79:6a:33:11
Fingerprint (sha256): 06:d2:d6:23:c4:c0:43:fc:ca:f5:58:e2:f5:62:89:02:1a:a3:6b:c5:f2:74:60:3d:d2:61:0c:de:d8:70:2f:85

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate arbeitszeitstudie.de

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for arbeitszeitstudie.de

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

arbeitszeitstudie.de
collaboteam.de
collaboteam.uni-goettingen.de
kooperationsstelle.uni-goettingen.de
www.arbeitszeitstudie.de
www.collaboteam.de
www.kooperationsstelle.uni-goettingen.de

Other certificates including the domain name arbeitszeitstudie.de

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6werhb1/rk7Bg9sorxpD
ahKDsNA+xIlhx9Z5f54MCu7PPFyGvi5BGm/2/NKyqbMcxencMYSU6txnLOmhkaE+
1YnTWSnLqxjnnoSAUNsnpEmcBYvJDYdWrttjDp4NW6AfLhHUzzXZD+FaBnSiYa79
NG19EFEXP3ZfcBLExZ8jwaxqaNL1/b4epe3CIJycv5YxmPOjhGGg8624zTD5KOuH
6Zd/dLaCFYFSAt22IA1nvf+KXgFasdkkrZor+xpEBpp+Q/WStTZcuYL/KzOMfwVu
WYfhYPMtSHMk/77xxAvFU/lCqie8Gpvq70H669vZELRdbAMIYeRmLdwehc6qNI9K
QwIDAQAB
-----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 344232524177035605821059769929240165824435
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [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 'Let's Encrypt'
 . . . . . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-02 22:07:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-31 22:07:04 +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:19|false] PrintableString 'arbeitszeitstudie.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 29669783889655818526961593055723144154616466324467877923662187426873708918865946744942748741509693987653565882005024693404076815473725725479917807441309011081439719044570409059406458639032608821055567876260974466397536578557821595245637909878632409748009375118848305482212457963080799027381577704168402793133612404811353800823042809846187763389032377249044184567597834606245784693066707096548550942309793835235875760873235872066661894676986545745491421909808721816552753779841915917097845157087130775741491889605191588181240600681799545491598674132211205984812238393316534911986263012231328448430715506678455837084227
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							40e7672860bab863b8c68fb0cc6d09a35af7b908
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [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 (198 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'arbeitszeitstudie.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'collaboteam.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'collaboteam.uni-goettingen.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kooperationsstelle.uni-goettingen.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.arbeitszeitstudie.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.collaboteam.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kooperationsstelle.uni-goettingen.de'
 . . . . . . . . . . . . . . . . [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 (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e2e5f3f710000040300473045022100dde66beb19f383380a9f468d9d6be7281b5310326be291726a5b94b29cec6ab20220237f441690ca9170c5f6faf9835ec95af66d1e1496ff7c86156e14d8d9877ff900760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e2e5f3f960000040300473045022100bae4449c64a28f537bc285deab0f34f9f24cadb2d06d4a6c51da0d8d1ab8bb4a022066bda4ba443d709206785f5f1a75e9998f38558c868480cb3a4bead5c47ed667
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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