linkedin.sijie.li

Issued by R3

About this certificate

This digital certificate with serial number 03:75:0d:de:6a:b9:8d:58:6e:b6:30:c3:0d:38:06:55:35:e4 was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=linkedin.sijie.li

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:75:0d:de:6a:b9:8d:58:6e:b6:30:c3:0d:38:06:55:35:e4
Serial Number (int): 301168329543514711150061848178100100478436
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: eb:c3:78:7e:b6:21:46:8d:89:78:70:35:08:ec:5d:ec:1d:f2:12:da
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b1:f9:38:4c:2c:94:9f:c2:23:0f:49:73:4f:0c:4f:b8:b7:b3:78:ed
Fingerprint (sha256): 7f:08:de:47:e5:23:67:4d:97:09:a1:06:52:dd:59:fa:86:81:3d:6b:af:f1:c7:4e:3f:e7:af:64:c5:dd:7a:73

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

Revocation information

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

Check the revocation status for certificate linkedin.sijie.li

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for linkedin.sijie.li

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

linkedin.sijie.li
medical-training.com
musicdjs.com
mya1c.com

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Certificate

The complete raw certificate details for linkedin.sijie.li in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzcdluJNxZN028y7zmkBd
bsw6T/kpvRlcmH17SHTTHwFNa54eT8bjZssP40pYjVd20mNSYCBPyppbay6nbxu9
2FPKSnbYUKE0efJeKJGe9d2gt6pFWKmqt/AoBKQkF4VH8SbyxOxQfceDIT8ytmcm
zEJsC7kBTUv0xhEu0hkki7EGpkoAyfgDewJahiRUfXwowLBhYNd0/5WV34hwt+x8
mlHAN/d6wdWJ2bNjOgoJkyH2WXuaPtZJnUVvMsMFpZCkaOZWMrjt9v/I7NFpLmto
laA4L8Ff09q5shvIbEVx7Pm7BafO/yuJSLbW2Hg1sONOQRpd0U51vc3RJ7fa9oGj
lwIDAQAB
-----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 301168329543514711150061848178100100478436
 . . . . . . . . [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 2024-05-06 03:51:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-04 03:51:17 +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 'linkedin.sijie.li'
 . . . . . . . . [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 25977179014849653008085188643600655071260427347962564123278397231538383698072341121615973314184741000025508770338836469084691993209145602409637089144216636560108519157865053957421421122821348989132982316571354023214618923088244481567731108401801557035608256790235150496406208399664767075631215883127685006614895286236874394606323901964463267226333152400869726312898520159070160269342991658646885642548364211607812585805024776789348157965651963784177047029928360322793696984238779379464388553173961897949887440076322838679632062713032443060541236298659276588461366205222831073767171409253681151135445848677146268115863
 . . . . . . . . . . . . . . . . . . . . [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)
							ebc3787eb621468d8978703508ec5dec1df212da
 . . . . . . . . . . . . . . . . [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 (68 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'linkedin.sijie.li'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'medical-training.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'musicdjs.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mya1c.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)
							00f00076001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018f4c3df12e0000040300473045022100edaef698c6dc53ebd20f70d40874caf5b67b66ee2d0dd25ecb4dd6e9fb72ffac022024975746a0af6267cf57eb53e7343600e88ab53f9c2e72e5532ca79aa1a73afb00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018f4c3df1530000040300473045022100a31793bacd9698ce8268930a7fec65c23702fdbd7786db82e68ddb7461b3081202202165aef9ad03a34ad004f40fe056c15542730e086fe5bed2c30d17e53c48080b
 . . . . [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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