cp.lanxess.cn
Issued by R3
About this certificate
This digital certificate with serial number 04:fc:64:4f:72:37:5d:bc:b5:0a:d2:58:a6:1c:2b:97:b0:44 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=cp.lanxess.cn
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:fc:64:4f:72:37:5d:bc:b5:0a:d2:58:a6:1c:2b:97:b0:44Serial Number (int): 434333635498729049211429431124810809192516
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: d5:08:5e:8e:49:b7:c2:00:71:70:77:4d:9d:dd:69:1a:62:21:b0:ad
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): f7:fc:07:d9:00:9d:97:c0:e1:b1:b6:ce:ff:21:13:c4:87:00:e5:71
Fingerprint (sha256): c8:bd:e4:9f:2a:94:ba:6b:21:38:71:20:6d:66:57:54:8d:2a:3b:42:b4:84:8b:8f:13:9c:38:ee:9b:8a:aa:62
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate cp.lanxess.cn
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cp.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
cp.lanxess.cn
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Certificate
The complete raw certificate details for cp.lanxess.cn in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE6DCCA9CgAwIBAgISBPxkT3I3Xby1CtJYphwrl7BEMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEwMjAyMTU2MzVaFw0yNDAxMTgyMTU2MzRaMBgxFjAUBgNVBAMT DWNwLmxhbnhlc3MuY24wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCw 6K9TRSOtcTgVNk1v+py1Z3AdJPhN0ubQTy5n3+yAfBQ/6SWbjDnirWmOubHnX6QI vcwKyQHo3pluR1Lb/itKTbjTcCLB5EVsBYczPKQLKXgCIuq0qSTtaW915R9+fA84 4lfN/VnL1n0AaSSMhkxzFjHBtSgUT+9qCk56JPW3/4jl4y90H1MW7ondiLh1Oboa +tZgllnLbTrtfeNJgeO1ZMOQ99U9LgsTNTjW5Wn6C0W+/qDPkZLNrGv1/R89eMO0 UmXNMpFHZRStVc3tG4TVV1hAh2Nn+iN2VqWxWA/VhBNPraYxPkXoJhYRCyL1yMXx vaqTiGoejB1UpRP5zcYrAgMBAAGjggIQMIICDDAOBgNVHQ8BAf8EBAMCBaAwHQYD VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O BBYEFNUIXo5Jt8IAcXB3TZ3daRpiIbCtMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv MBgGA1UdEQQRMA+CDWNwLmxhbnhlc3MuY24wEwYDVR0gBAwwCjAIBgZngQwBAgEw ggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdgA7U3d1Pi25gE6LMFsG/kA7Z9hPw/TH vQANLXJv4frUFwAAAYtPTgiAAAAEAwBHMEUCIQCjPSP9Yqm8mvPqir0hhU5sUwp9 5HT51iQAH++SeARhEQIgHqhPyE8P2w+gJJXZH8U9I6UkJkfmdPUt2bq+JVYrGFkA dwB2/4g/Crb7lVHCYcz1h7o0tKTNuyncaEIKn+ZnTFo6dAAAAYtPTgj+AAAEAwBI MEYCIQCyaMfDPbaSFBRUBGo7bPvN5INq9PLL4lJKp3W+cVPbogIhAKJL7PAj/xLt v+R9bH1gsmI0bZ/6B6hwXnYxJlEdQ3lpMA0GCSqGSIb3DQEBCwUAA4IBAQCc5QH3 DtxwotpYP8qjUtu64WoqPwolTBiOAGb61KqBoeHLHvgJEjxjxT33qt/9cPOOtNTd Xh/Jqb+UdADCzjpd6cUcTrnD3NpUOsYDJWEXhYdsqiS6+MQgLfl++75J2gSJrH6j Sbi1A3+vLZEndQO2kXGEuDgKTCaaSMZUIormOO0WCtIafXVhhmJxgKpEyiY6n6Km 7E/Hie9SPHkh1yiHPBA+YI17k11D72aPLMVObm7AHAupDerDiS9ZOYHeWAT3e6uX fq/N0LeBfDw4OhZMlU7w5UMysj6kb9Vydv+XF+wbkTD/XBR19sJTU97+ycn3AB4S txbSr9OBc1QPK0dU -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsOivU0UjrXE4FTZNb/qc tWdwHST4TdLm0E8uZ9/sgHwUP+klm4w54q1pjrmx51+kCL3MCskB6N6ZbkdS2/4r Sk2403AiweRFbAWHMzykCyl4AiLqtKkk7WlvdeUffnwPOOJXzf1Zy9Z9AGkkjIZM cxYxwbUoFE/vagpOeiT1t/+I5eMvdB9TFu6J3Yi4dTm6GvrWYJZZy2067X3jSYHj tWTDkPfVPS4LEzU41uVp+gtFvv6gz5GSzaxr9f0fPXjDtFJlzTKRR2UUrVXN7RuE 1VdYQIdjZ/ojdlalsVgP1YQTT62mMT5F6CYWEQsi9cjF8b2qk4hqHowdVKUT+c3G KwIDAQAB -----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 434333635498729049211429431124810809192516 . . . . . . . . [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 2023-10-20 21:56:35 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-18 21:56:34 +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 'cp.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 22332682857100016198783002920569547057781917562088601386272202712552824534264904235130621041041457376351687794284911051545384840963337786246287948616931847107633861050900744353366141238764113009311694990895889856539789570368233459243253814789038824128380846709332640221916108694115724392691396118164588277296023165645400723926835946248662989329210775287818221332587604382469132987326596362709731600395632525438005900740678330441074695339417021980130492098324120083851418705396073785374071312708106434091688434078009983558502938105134456025503778332982541121235833806816157213567514588725855851451320243740370044569131 . . . . . . . . . . . . . . . . . . . . [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) d5085e8e49b7c2007170774d9ddd691a6221b0ad . . . . . . . . . . . . . . . . [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 (17 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cp.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b4f4e08800000040300473045022100a33d23fd62a9bc9af3ea8abd21854e6c530a7de474f9d624001fef927804611102201ea84fc84f0fdb0fa02495d91fc53d23a5242647e674f52dd9babe25562b185900770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b4f4e08fe0000040300483046022100b268c7c33db692141454046a3b6cfbcde4836af4f2cbe2524aa775be7153dba2022100a24becf023ff12edbfe47d6c7d60b262346d9ffa07a8705e763126511d437969 . . . . [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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