lanxess.cn

Issued by R3

About this certificate

This digital certificate with serial number 03:03:34:a2:c0:9f:7f:69:70:8f:80:52:73:aa:53:b8:51:99 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=lanxess.cn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:03:34:a2:c0:9f:7f:69:70:8f:80:52:73:aa:53:b8:51:99
Serial Number (int): 262427669810774807403627940736571390054809
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3a:48:d3:6c:67:96:ec:e0:da:67:1b:4f:68:3e:79:6d:6f:14:29:79
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 70:a3:1e:e8:dc:a8:9e:e7:dc:ba:39:fb:2a:fb:11:09:c5:1a:36:ce
Fingerprint (sha256): 90:88:5a:48:c7:9e:32:a1:16:a9:e8:78:f6:e0:3c:f3:ea:d6:24:68:b9:84:80:31:b2:c3:0d:7f:b7:99:81:92

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

Revocation information

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

Check the revocation status for certificate lanxess.cn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lanxess.cn

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

lanxess.cn

Other certificates including the domain name lanxess.cn

(limited to 100 certificates)
flameretardants.lanxess.cn
flameretardants.lanxess.cn
flameretardants.lanxess.cn
flameretardants.lanxess.cn
lanxess.cn
lanxess.cn
flameretardants.lanxess.cn
lanxess.cn
lanxess.cn
lanxess.cn
lanxess.cn
flameretardants.lanxess.cn
flameretardants.lanxess.cn
lanxess.cn
flameretardants.lanxess.cn
csd.lanxess.cn
cp.lanxess.cn
flameretardants.lanxess.cn
flameretardants.lanxess.cn
flameretardants.lanxess.cn
lanxess.cn
lanxess.cn
flameretardants.lanxess.cn

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA/yBdEyobiOwBM7abiMlM
dRXR/ONj5e69W/5I7lOeb5TzGHDOlk+JydeLWcD4IRG7Fy3pejN69iDKXwMabwaL
aKi27sLTCl2anaRAzI9+RXe/duiE/0hu8XxEw0qhOxlV4Yfb9eswVsZfJQG5zmlC
Z3J27rpaQMn228L9FheF9RlocwO9SDQWXJxIm5SlNJcwiqxAU0/+EJ9vG+0Wc3q1
bMhMx/XxfoIOnWlmvZjSR/xJDMh3rA7oriP8e9Yg9FkCzM6THdqVwuanMQGFtvDh
DQvSaQuj6Q3K3qwQS445HL8gVCtHkzUm5t2uZsS/so0RWZSEuLkMKRBYYihK5wRb
vQIDAQAB
-----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 262427669810774807403627940736571390054809
 . . . . . . . . [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 22:58:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-17 22:58:43 +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 'lanxess.cn'
 . . . . . . . . [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 32206726839327773528036407670155588194400943070378590128464787854569700560741320504837503204365579302405303013231451706577099741490773353337765952078870439477915493143082575659103572747178290480330688985815450447661290049523682763364297480979460364975353847656093111139677631919647525121361800749026135963982779913412590572501328146823033828965295605505310552215205592545907404642667407550122234463166267356633464868943072091683638025003765171161593903769971161754753762528408942017092444744582601240361980578574316522740235104560322636473416590900817565717347229536222837837272137346676213437514609804795966298282941
 . . . . . . . . . . . . . . . . . . . . [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)
							3a48d36c6796ece0da671b4f683e796d6f142979
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lanxess.cn'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c7f5e210500000403004630440220451c2044868f7dfea63d41e202a276dc102546280d708b5671c0a1c7918d58c8022002da740875709cc202d4ace98cbb10b84ba3c22d5f48aaa37eaa927832be6a7b00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c7f5e2146000004030047304502203d6bc347c5f43a2e15bb2918dd50d6efd03a4553e36544078f0a5ea099e6a690022100f5b7d4f5c82f9531c7fe4c8cc672c742d4bed48fca7c5c7589484599f1b73c49
 . . . . [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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