bildung.lanxess.de

Issued by R3

About this certificate

This digital certificate with serial number 04:33:71:92:dd:a4:d2:dc:d3:fa:91:c3:da:80:d9:f3:22:cc was issued on by Let's Encrypt.

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:
  • 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=bildung.lanxess.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:33:71:92:dd:a4:d2:dc:d3:fa:91:c3:da:80:d9:f3:22:cc
Serial Number (int): 365954509774345089677742428762886387213004
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 84:3a:d1:93:96:9b:d5:c1:35:ea:19:48:c4:e1:88:ae:49:ec:5b:cb
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 50:59:45:5f:26:fb:b7:3e:27:5d:7e:aa:2a:b0:a7:c9:34:ea:0b:3f
Fingerprint (sha256): 83:be:b2:44:7c:6a:bc:82:6f:11:3e:46:e9:5d:a8:b4:ff:4f:ad:0d:d0:f3:1f:02:65:2f:d5:d6:fe:73:36:65

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

Revocation information

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

Check the revocation status for certificate bildung.lanxess.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bildung.lanxess.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

bildung.lanxess.de

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www.lanxess.com
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medienportal.lanxess.de
schweinepest.lanxess.de
bildung.lanxess.de
k2019.lanxess.de
bildung.lanxess.de
k2019.lanxess.de
lanxess.de
lanxess.de
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add.lanxess.de
www.sam.lanxess.com
schweinepest.lanxess.de
lanxess.de
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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArWwRnNGxJPlTqtK1ZvlM
YjDrAYD6YsSI8EEe41pL8MQVPqy9WdAd4ujE0rfN0DECXc07KtngLYxhU3GsOdQY
YgK1jOUn1g5UP+HDMvXstYgFH2TyRU+7Q5C3Hn7/vh54vgV6p/f7hOBek2Wett7b
YUOzIhTYhwa6iL2Rvtc92jPRh/nZSFv3kvGartYfenbhtBIWDMXjxK0VqIPRHgVS
QMg4Qm4c9o6guRUcGjogFdygvEP1ZdEEhPhQXQyWLclZdttgDvA24QZvgrq/iycb
+/onhPwklcgGS4wURe3yJZPR+5SFGpzNsBdYcwuSZuIFLO1J7fEAlzG8J46V+/Z8
+wIDAQAB
-----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 365954509774345089677742428762886387213004
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-29 22:53:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-28 22:53:26 +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 'bildung.lanxess.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 21892517470146069669882964522925919572743654068494400364294458295200372329649583233171010343952097365169729873264773669557908777448265303389878320673089125611442504289411086388260404151072269342289081243517296387498257017875234337689914568239750026858428960324838110386260290874865743417031705752686509630783719734070065224907997436234081814203228512432198025614254614624548037388290849817313276298547664612569907325916888358303368931354775881583979862658178016923997623120252235335791603734272756636773585478867986919000095107689070006493141474812016799497170822826391717673563157414944462811418493824581525774433531
 . . . . . . . . . . . . . . . . . . . . [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)
							843ad193969bd5c135ea1948c4e188ae49ec5bcb
 . . . . . . . . . . . . . . . . [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)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 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://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/'
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bildung.lanxess.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d57a46408000004030046304402206dfc8c5cd95c7c25337ab381767d47973c621fd907d76161be67c61c61916f2e02203c149de87b99c6390b9ded7f49f9a9a87b36f57583f7711b9a41e4fede213fa4007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d57a464100000040300483046022100b391361b5da05ea52ca62fb343d9da48cd4fb20c3f7387c27a62cd0a8e7d3b28022100f049f9bd281399b0bb6afe6c442f874981df81cabf912620a250d6f3a6b7bd66
 . . . . [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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