dierckeschule.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:02:f4:ac:a6:94:c3:43:36:ed:77:83:1e:45:fd:cf:97:81 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): 03:02:f4:ac:a6:94:c3:43:36:ed:77:83:1e:45:fd:cf:97:81
Serial Number (int): 262342650613819997422760852878811236112257
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 26:37:de:a5:70:2b:0a:89:55:34:d3:b0:e5:a8:f2:7f:fa:a0:0f:84
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ed:71:ac:01:b1:e8:86:24:01:f8:c6:e2:0f:d9:4e:c8:75:83:8b:9a
Fingerprint (sha256): 56:59:88:e8:67:e7:0c:9c:11:73:cd:fc:a5:1b:08:1b:c9:91:17:39:80:88:8a:73:71:a2:cc:2a:4e:43:94:ce

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)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyh+/2QJje04Qa+Yb3RfZ
meK85+v8iJRh3zXCdTe5rG3yxJaIZ81STphmC69wvkqmfX4FU2z2dz+XU0RAx0cq
drMyJKELkjQTj/uT5m4+WPezLQAM3uDT32SiRj4DAnh6rQ28C11AJfg7cFXaRCFj
cvWFeJQEJMTIePtEGGBk+cy7X8mQ1MfOYIKVoAu/6F9fDlK7oVWyAG7tz6QAMgOi
4RrRrD/Yfs1ZPrVZw+3+YkPxYe+THURD7n+FeOoNd0kLZFs8OufsoPtE7qNZHRmv
2Y0BhxSi4X07wjrjVG1aT2WOw32BccmURtJBm5Ss2O2rsZCb3X30qY+iADBFb2Ye
wwIDAQAB
-----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 262342650613819997422760852878811236112257
 . . . . . . . . [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 2018-10-23 15:42:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-21 15:42:27 +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 25515793818288928038290243049717334476684563997120343683130339769232383020622189798884172894222674437715575823274873921746223966160044782294230228136073325277624531330330017720419518308399214444550997840188302970181977340715701243851382340205466427646617787378386697653611366459796816195315656221236544694207801582447205378381861167277566869356730026574448551412340603812073143358815071047059178317106435102090278071066346708704443287646919610684959460201327943877456237719030360773005314353492288583394147500961480869810145983039769463135743096423822167349342629834146773692520307874407933910798463265796087544684227
 . . . . . . . . . . . . . . . . . . . . [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)
							2637dea5702b0a895534d3b0e5a8f27ffaa00f84
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000166a1ce5c5b000004030046304402204f753428bb5673427198be330bffbebb956e4fb9a5d19f5fb8b64529cfd04be50220666311207125cd5fdb41f748104da2b99b50c44fde711a67c9dfe40359bdaa41007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000166a1ce5e350000040300473045022100d0f88e6963525b5eddff03fd21e8b3c09fd6ee440437a8ed0519dc4ec1132fda02207a8fb9ce60b8f4b1f9bcaf0f09e269eb80055058836b9a31e31c67bbeb16b232
 . . . . [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)
		00619b4770c99616a56469a7e9cda9d179a3cdcd78de6cc03ccbfab04f8832050db2ae733613a966b38ed2f0b366bf203ccc56474f0883cdcb97918d4b92b495db8587a0731ab23195e5395e917a91d4ae6f38eb8b3c0e4798740d2c056a18a00b9ebba77afa9acb7d4d8294682b7dbcd1afc54eef3e6ec45ff63646e35494ffd1603bf3cc81f6fe4ee3548cffad70500da8e175d41c6a22402f617024dd51beb371891e212cef5a913d74068abb3c66dbc4e1d9f4e11117630a76b17965de142553e94ffdad983243f2916ca5f173e3d5bbaf31fe96cea4cbb837b39c3c6f3f6897fd7b0a90969c5d3da110153ffc55da9dc0f9e546216b458c1cc807345b9328