dierckeschule.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:36:46:bc:2d:0d:44:59:e0:cf:54:f5:6f:a4:3f:0f:e4:ad was issued on by Let's Encrypt.

With 2 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=dierckeschule.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:36:46:bc:2d:0d:44:59:e0:cf:54:f5:6f:a4:3f:0f:e4:ad
Serial Number (int): 366918414566045564185926349780065971070125
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 15:dd:b5:59:ba:e4:65:b8:24:43:68:4d:29:2e:1c:09:0c:21:d6:2e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b9:0e:38:d3:af:db:38:90:e7:2a:c3:0c:29:e8:8e:14:21:30:e3:13
Fingerprint (sha256): 56:18:5a:5d:4a:5c:a3:ac:82:18:f9:1a:ab:b9:a6:b6:70:80:0f:22:59:36:d8:37:83:46:21:69:98:80:2a:8a

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 dierckeschule.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dierckeschule.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

dierckeschule.de
www.dierckeschule.de

Other certificates including the domain name dierckeschule.de

(limited to 100 certificates)
dierckeschule.de
dierckeschule.de
www.dierckeschule.de
dierckeschule.de
dierckeschule.de
dierckeschule.de
dierckeschule.de
www.dierckeschule.de
zimbra.dierckeschule.de
zimbra.dierckeschule.de
www.dierckeschule.de
zimbra.dierckeschule.de
www.dierckeschule.de
www.dierckeschule.de
zimbra.dierckeschule.de
cloud.dierckeschule.de
dierckeschule.de
dierckeschule.de
dierckeschule.de
www.dierckeschule.de
www.dierckeschule.de
www.dierckeschule.de
www.dierckeschule.de
www.dierckeschule.de
dierckeschule.de
dierckeschule.de

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgI518g+JRL/W71SNHElC
ejiPs+rzSbeHZmsnjx6sUQfQq5dJY36xPoQL4+AeFmW+vVKvrIlXGRAIKjdGVJZe
FmdFgLL/URqiniZCTbhbBJ1kUqwxFeLh8TbXQsjNstRZLlWUeb/+hvlKFAUXGIyf
QEmidC7ZOjBZRTYsXesIpLFUQkuyS/4u+sF1wZXx8UdSWaEnp6zdZIwQySIyRDQ0
JKK0Utiuus2o1bqBS1JfzVfnNw/SfTFcjJ4L/26nGGShFl6GYf1JSXj2fLGz/LYf
F/b0nC99EUqUIMe5jzvbuVe0X7CM3h79++bG1CREo5x21jW1/7Lavh6mlo0GD8zh
dwIDAQAB
-----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 366918414566045564185926349780065971070125
 . . . . . . . . [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 2019-12-22 02:33:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-21 02:33:48 +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 'dierckeschule.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 16228753037309272146422769022015851791165992292597219531673999592784574024692683425791325346077011938262292740118795277693952447285928837210209495220778323768486631686789230007590719704017842650856076073458480377957414517403104092251459721009456868869616478363857288734076021030391022256307231327911791050776942760658565324111446632942210548365242798973090027304929302107351090386332483943181962687699854439729362486455959466549117967746695680059344369055280936971260646376978748140655287421411918825793017786155273584212083591398467045884148167065501017062914231698338741944296019207343066483887461042408983576240503
 . . . . . . . . . . . . . . . . . . . . [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)
							15ddb559bae465b82443684d292e1c090c21d62e
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dierckeschule.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dierckeschule.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f2bab0ecb000004030047304502207d6977b180b30b5dd8ef64152e6987845257002af446845e20cd2608aadd87a4022100b5283012613de7d4d730f4033d4458599627815b349b93f10996ae7b450c1c2100770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f2bab0eef0000040300483046022100f56b3c82ce3d5635d0e91131902baed23398bc058072baf8132d22fd63a4bc6c022100ab2935b6e30eaf737ee7003d85959da1b68620200a2e7ce0b7c0658e2105d89c
 . . . . [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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