sijie.li

Issued by R3

About this certificate

This digital certificate with serial number 04:b1:2c:97:a4:04:d7:98:79:ab:53:e9:a0:cb:ca:f0:d8:f0 was issued on by Let's Encrypt.

With 5 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:
  • 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=sijie.li

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b1:2c:97:a4:04:d7:98:79:ab:53:e9:a0:cb:ca:f0:d8:f0
Serial Number (int): 408738396067386080934226540836888708700400
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 63:dd:14:66:99:da:b4:35:59:fb:53:d9:22:a5:96:95:2a:9e:63:08
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 96:69:e2:e7:77:f5:e6:52:56:d8:f6:b7:c8:3b:10:29:8c:a4:77:2c
Fingerprint (sha256): b5:cb:d8:be:80:3e:6b:e5:b5:b4:6b:a0:ae:c8:07:d2:89:9d:b3:76:31:85:d6:8e:ec:18:e7:00:c7:24:4e:f7

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

Revocation information

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

Check the revocation status for certificate sijie.li

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

assuagemedspa.com
best-teachers.com
fruityday.com
launchfunders.com
sijie.li

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr9+aPa39FB2DhCT9J/Ox
Gus3mr3KMSCCjM1reDWv1OAZ5LaQ0+LJs6kTVCW2+La/NuF5NrmfE7NWC86EXx0m
CT6yGqO48Vx5bAe/e27Ms6wN61iz31POA6HQqi2a53GkXMOhigV2rURg23vVuDsb
Km3hbCkY39brbgbodGRmCmAwPKpI4/J35D0DAMXLHdGoplxS6lRgnaAKbbt4LhsI
YKwBA+QjmE7fe9WswlIlJQHCFxjK5zhyB/aDCyat16arv1carzomgLT8Fnn8kL0P
r6LiKnvCETp/d1ERbMgDPf/E0oRh/vTSkpwNvpBUlCsc1CqdQZv1gkERHBTmehf/
4QIDAQAB
-----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 408738396067386080934226540836888708700400
 . . . . . . . . [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 2024-01-14 13:21:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-13 13:21:36 +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 '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 22201965873153164307522622918346956118735929880939046624674792118064716718718998233129345266669118544373801333878506031327139285932915867957726884540742502334354705788578921009496700665751552589952741921160037760492307774422514446111657478417998762928373151275892046412554509687149695374786483595602942088923263419701055509390985180486128523991945357486309143728722602065526499983731801192757227392990170348117791771676654722659283116748207479600000059988797181533329988882575483086463051259516023651477183060424276889551363939576195658102782432320117932426267225698564425920677858090046182061538741889864882246385633
 . . . . . . . . . . . . . . . . . . . . [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)
							63dd146699dab43559fb53d922a596952a9e6308
 . . . . . . . . . . . . . . . . [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 (84 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'assuagemedspa.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'best-teachers.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fruityday.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'launchfunders.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sijie.li'
 . . . . . . . . . . . . . . . . [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)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d08597769000004030046304402202fa7716b8164224c7f2de0fb657cd8e2ecc1d188df7f6dae24a613271c36520402204f5e20893d3b3234de8b6d39a8495365e87bcdcc1753206d5a71e818ba52e0c7007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d085977d20000040300483046022100c359e1d113c97a4470ab3150af9b45617b01c6a42ad7813f41d82a68bd25fa39022100cf997c2ad1c8134464573e900fa84fd84e8a7f334fe1c7424512236c7e7ad295
 . . . . [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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