k2019.lanxess.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f0:00:0b:6f:d8:1a:70:92:fb:a6:86:76:0e:8c:c1:18:06 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:f0:00:0b:6f:d8:1a:70:92:fb:a6:86:76:0e:8c:c1:18:06
Serial Number (int): 343004685240040346866656822584818112993286
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:90:ab:d5:e5:4e:a6:02:3a:dc:5f:74:81:a6:dc:6d:c3:43:19:c7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c9:6e:dd:4f:d1:c6:fc:86:74:12:70:6e:a8:aa:ee:03:dd:8f:0a:b2
Fingerprint (sha256): 17:8b:22:65:c0:9a:7c:d5:00:21:a5:41:ef:76:ac:80:59:90:59:2c:d8:65:84:79:c9:ca:94:ce:21:6c:f7:28

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
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add.lanxess.de
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medienportal.lanxess.de
k2019.lanxess.de
bildung.lanxess.de
lanxess.de
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medienportal.lanxess.de
quality.lanxess.com
lanxess.de
fussball.lanxess.de
bildung.lanxess.de
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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
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7Rv6lI8zsB8X6ODZnZj6
UVp/2BzCYorhTKyOZfgQc8QJbBo5ppaCEWTqKPM2iKLS886eDwLl73quKCvVU//J
+u9Pbc14HGiUsHfZ61rUPbuFRCPKLEoHRx0ZFDsLuBLbgJHitXQTRO7isdh6bSOD
Vz2vEMGlYIkLJvBaNXXSDG5al8RBruF2uF2TNXieAXCLN+F+55hoMX+gzLCRDmmJ
4HEEY9zTk1OsPO11z4F3gtOd3w2bege6PhmPO7nsqnY4CysGCugldVN2h3hCa9qW
I3J2eNl+9EUyNUMrQwzgnaEBpPE4NfCkS7JerW8wXQRxoslPzcVaTg9XoJVgwjGF
XwIDAQAB
-----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 343004685240040346866656822584818112993286
 . . . . . . . . [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 2019-09-02 09:32:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-01 09:32:01 +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 29932275151918184969185549765687621658605616517661573747284341247705058045660427791148137746741349636955538901234444941569031418042853618346138663692457750794664754255951847649823759942531267788407292601288517395830089582577211284171024542993061164256589116629230378120225573339483773349261059554816774885888482191912984464446608859448026012180712568497202842599813567619371184144730970819312246321263887477352751354270694740420700298431091705612112676835945296879288009624108309032450938660858068368576538783627483009264428823386338777365894364439755340750101138540509803890786888074314378482156292950290118598559071
 . . . . . . . . . . . . . . . . . . . . [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)
							d690abd5e54ea6023adc5f7481a6dc6dc34319c7
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016cf1880fe50000040300473045022012bec51549545e1a6491d5786fc74ac2d2fbdaa741d00bfbb1337c7f11167884022100c4f7bd675b6adb0993da2aa011a362038cfc3c12e54e9c662a6f1df560587b15007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cf18810a30000040300473045022100f18151bb4e3cafb674900030e4b05762e381fc899957ecefce0a02595465b45e02204113e4d83102cd68f5fd87858e7cfde7b4d27e8d16495f22a7f277144cf4aa6d
 . . . . [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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