k2019.lanxess.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:92:6e:f4:da:1d:a5:e4:20:1e:ed:22:bb:a8:3e:f7:4e:bc 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=k2019.lanxess.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:92:6e:f4:da:1d:a5:e4:20:1e:ed:22:bb:a8:3e:f7:4e:bc
Serial Number (int): 311165569789621829971856600893183705435836
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ef:dc:ad:2d:f9:9f:ba:22:3d:19:ec:9e:5f:14:96:d4:55:f2:84:47
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6c:c1:9c:24:43:b0:50:45:6f:e9:2a:4a:29:8e:82:af:1a:48:81:18
Fingerprint (sha256): c1:45:7a:af:7b:fb:28:93:eb:e0:a1:2c:95:55:ff:c7:20:6d:ff:4c:6c:de:7c:20:45:2f:54:e2:a5:d8:bd:38

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 k2019.lanxess.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for k2019.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

k2019.lanxess.com
k2019.lanxess.de

Other certificates including the domain name lanxess.de

(limited to 100 certificates)
medienportal.lanxess.de
lanxess.de
lanxess.de
add.lanxess.de
corporate.lanxess.de
medienportal.lanxess.de
k2019.lanxess.de
bildung.lanxess.de
lanxess.de
bildung.lanxess.de
medienportal.lanxess.de
quality.lanxess.com
lanxess.de
fussball.lanxess.de
bildung.lanxess.de
digitalisierung.lanxess.de
aii.lanxess.de
bildung.lanxess.de
quality.lanxess.com
bildung.lanxess.de
quality.lanxess.com
www.lanxess.com
bildung.lanxess.de
bildung.lanxess.de
bildung.lanxess.de
lanxess.de
lanxess.de
www.lanxess.com
bildung.lanxess.de
medienportal.lanxess.de
bildung.lanxess.de
lanxess.de
k2019.lanxess.de
lanxess.com
www.climateneutral2040.com
k2019.lanxess.de
evl.lanxess.de
www.lanxess.com
lanxess.com
fussball.lanxess.de
www.climateneutral2040.com
lanxess.de
bildung.lanxess.de
www.climateneutral2040.com
medienportal.lanxess.de
schweinepest.lanxess.de
bildung.lanxess.de
k2019.lanxess.de
bildung.lanxess.de
k2019.lanxess.de
lanxess.de
lanxess.de
lanxess.de
add.lanxess.de
www.sam.lanxess.com
schweinepest.lanxess.de
lanxess.de
www.climateneutral2040.com

Certificate

The complete raw certificate details for k2019.lanxess.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvJoBAmCBKM2ZIwPBbAi1
CfVvDV1KxR8PE09JOgIM1Mw+UCGtIzWIKAZ1Jw/gw0koC1kFnTA0xejtMKMr2wvU
bJzusyMvEk4l2LaA34m7SVvcjipY9W519099LQJBNk42LvLwE3RTKjoHtrZpPdfR
o5Z5AZF07ozpqESd+1YxJyXF7RD3UepNXiQun0V51jnAhm1TmTR8ksCnt9SUHSgY
QnyVp12qkpZwUKP4wdfBlbJB6nCwHqlYDy8SFfjnwhLL8TRJLsVm+01JWBZuCzsP
a6kyA58Ab7CZqS6qha1xNgmPD27pbXUafGroseTZ4an8/Fx6nr4rWjpoBi0HUplx
cQIDAQAB
-----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 311165569789621829971856600893183705435836
 . . . . . . . . [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 2020-02-29 17:40:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-29 17:40:05 +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 'k2019.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 23808743508079086542560639006013240888887570296743008968109599100468991996136812729963418890705080612777297683974021972030067122660688864970346522065726453406899572501922920939020399344689133328185609080609424092671435048844395951515689099686154352578430764328287026491429177519459820008196847060700688041014170644088380271040068596433110256612638332849090094931310415808841125472636212378797836435625888988416689976553520413627145879751653514061404577383127870552748918254444779880629205061387289974658753018284192494274381124346853585257116095334079387394676640532477811734832018496947414433784241602808854945034609
 . . . . . . . . . . . . . . . . . . . . [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)
							efdcad2df99fba223d19ec9e5f1496d455f28447
 . . . . . . . . . . . . . . . . [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 (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'k2019.lanxess.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'k2019.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 (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)
							00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170923f96970000040300483046022100f1fc2e32a00ce8926fee5b1e02f10966218bb14cc6f1ced9152298c74e5980d30221009118addc9ef869f89fbeab471a2b009a20c4531280ba79d0ae6a31147539ff880076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170923f96cc0000040300473045022100dded4885121d0ff8a665ff6b2c690af2744f731483b5f3c8544a57d1a6040a9802203b69d13ae474d130c02dd5a7f13efa6503265f26742ad56fbf8d3103f7291439
 . . . . [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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