behavioraloperations2014.uni-koeln.de

Issued by R3

About this certificate

This digital certificate with serial number 03:36:75:23:b9:fc:b6:5f:c6:60:8c:f4:d9:0d:d5:8a:22:ca was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.


We have idenified some issues with this certificate:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=behavioraloperations2014.uni-koeln.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:36:75:23:b9:fc:b6:5f:c6:60:8c:f4:d9:0d:d5:8a:22:ca
Serial Number (int): 279867810787176016528694269019410800452298
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b0:35:07:c5:14:35:3c:82:6b:ad:36:6c:e5:b2:a9:c6:1c:02:34:21
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d5:80:84:7b:60:11:90:6a:42:82:f1:bb:e5:53:d3:dc:40:1d:e0:50
Fingerprint (sha256): 02:72:5b:7b:22:98:4d:8f:08:fa:9c:62:58:d7:c5:7c:4a:0e:88:13:e0:b0:44:69:be:73:5e:af:2b:ae:47:14

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate behavioraloperations2014.uni-koeln.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for behavioraloperations2014.uni-koeln.de

Public Key Algorithm

ECDSA

Key Size

384

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

behavioraloperations2014.uni-koeln.de
www.behavioraloperations2014.uni-koeln.de

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Certificate

The complete raw certificate details for behavioraloperations2014.uni-koeln.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIElDCCA3ygAwIBAgISAzZ1I7n8tl/GYIz02Q3ViiLKMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAyMjQyMDM4NDFaFw0yNDA1MjQyMDM4NDBaMDAxLjAsBgNVBAMT
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PQIBBgUrgQQAIgNiAASEOWqdYMpGK67wza5QLpaFGLI0kF/titBQdn+HbMUFp1vP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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEhDlqnWDKRiuu8M2uUC6WhRiyNJBf7YrQ
UHZ/h2zFBadbz4mzt/MlPm9XDenFY5n4wRE8I3xNuQdHPhWXeZXuvQpjct182R0I
QXW2sAN4HOitH68h8U1o32fe8DvckmfG
-----END PUBLIC KEY-----

ASN.1 decoded

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 . . . . . . . . [c:2|t:0|true] OtherName 
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 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
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 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
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 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
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 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
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 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
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 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
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 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-24 20:38:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-24 20:38:40 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
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 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'behavioraloperations2014.uni-koeln.de'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
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 . . . . . . . . [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
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							0780
 . . . . . . . . . . . . . . . . [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)
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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
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 . . . . . . . . . . . . . . . . . . . . [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)
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 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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)
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 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.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://r3.i.lencr.org/'
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 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (84 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'behavioraloperations2014.uni-koeln.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.behavioraloperations2014.uni-koeln.de'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
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 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 
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 . . . . [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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