us.lanxess.com

Issued by R3

About this certificate

This digital certificate with serial number 04:85:71:97:38:1a:d5:57:f4:e6:29:60:24:80:91:ba:25:ff 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=us.lanxess.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:85:71:97:38:1a:d5:57:f4:e6:29:60:24:80:91:ba:25:ff
Serial Number (int): 393857686465816033149740282972402571945471
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: df:30:fe:92:e8:68:d2:41:a1:b7:f3:87:17:4d:c4:7e:80:32:a3:a5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fd:c7:ab:4d:c3:27:97:cc:a7:09:be:17:a9:1c:a9:8d:1a:29:29:5d
Fingerprint (sha256): 1b:09:85:d5:79:6b:b0:60:5d:bf:55:09:b9:36:12:28:44:a6:0d:dd:2a:80:e5:61:67:1c:bd:cd:68:37:c4:69

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

Revocation information

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

Check the revocation status for certificate us.lanxess.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for us.lanxess.com

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

us.lanxess.com

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Certificate

The complete raw certificate details for us.lanxess.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwOCJtPtpIMgxxQHcB9SQ
GDFMXEh1sesMmjpmOZX2+dLBcyEdX3IZZnjBBoMwcAMeW+zH4Dl7nL0oQtJZ2DQr
w1bSSds5JvkPnOzJ6GkTFT6jq9BqCkE6ikcBemdhUUhHBVoKav16UL3ETHGHltFx
ihpseX58JyF8hW2gXNxsy7DXvWrGw+PaHhTGNqpGLPqdiEM81CPAY1vDKtXgs9kL
D9X2CC7ZwCv2u6RXTtwIW06EY6eFyyVYW87G04XW5gQ9tC+g6pjtqSYLjL8MEOPT
gmPK+KFtZFZZgwXgTyTeqLWtIbRb6Hgz52JEXbsvbHpFkiths0pCYY0KUCkCCh3D
cwIDAQAB
-----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 393857686465816033149740282972402571945471
 . . . . . . . . [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 2023-12-18 23:07:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-17 23:07:08 +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 'us.lanxess.com'
 . . . . . . . . [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 24348478327490524454074689647511929737086863576154171268161697401890690434669870745039980435061091391778712065289391425761914942787924955445664603695261945796025062449195472858574053714059301738380441883516605578269089953569374420416452581493470891688683634671915914192951751757439281802728767824668946764252777661797046674436367131785391382534398940898627047559668669450141658493184216446403742654175682417249540484551924466680151572153936331743097182506553379174535861516845001410027359438952552195914268477067793105095635445482732009541889680888872282314183074289117610041450320647081320320374238488912524102976371
 . . . . . . . . . . . . . . . . . . . . [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)
							df30fe92e868d241a1b7f387174dc47e8032a3a5
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'us.lanxess.com'
 . . . . . . . . . . . . . . . . [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)
							00f0007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c7f65d80c0000040300473045022100deec1195944066461ca0ea99aaf7dea308b882f0b62b728f7a417350fd9da794022047dfe2510346e327f6b27dcff3c74349f1eb586a30e3d1a7e20e53ed7f97833e007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c7f65d810000004030047304502203924d77d58c9771f963ae674c1277f72c393d74c214f1560ff322d2d0cb7eaf1022100b09b96620f9d78900e0a88545ac09ab48ca48b786c001e66c8cedb0237635fba
 . . . . [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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