yuanyuang.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a9:97:78:f0:66:11:8c:f7:ec:d1:79:af:77:5f:a3:0d:39 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=yuanyuang.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a9:97:78:f0:66:11:8c:f7:ec:d1:79:af:77:5f:a3:0d:39
Serial Number (int): 319045919183770895859736525944114395680057
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cb:50:0a:dc:ff:7f:3a:a1:75:eb:2e:19:9d:cc:e1:f8:6c:3f:08:d1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e7:6a:25:e0:c4:b9:ed:c6:62:28:5f:63:91:6b:f4:19:50:fa:96:c0
Fingerprint (sha256): 82:1e:6d:2e:cf:53:c6:d6:cb:59:aa:5f:80:e7:f2:93:1f:13:70:44:06:92:29:8b:3b:d9:58:0f:1f:20:30:82

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

Revocation information

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

Check the revocation status for certificate yuanyuang.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for yuanyuang.com

Public Key Algorithm

RSA

Key Size

4096

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

yuanyuang.com

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www.yuanyuang.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 319045919183770895859736525944114395680057
 . . . . . . . . [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 2023-09-21 02:43:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-20 02:43:22 +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 'yuanyuang.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 811289615342256792395610119159433564415838701474206865356336549085772544913420515645226005874269181265098786654018970152562387755838554884913290827581446015433288428463864472653798705276303628943439526995337505126702309159909606818169861781934233637104351480546934418571228873232738242698469015236941359058137453992819023827379983997942982793017455848258653391154139157762955036748449050209671819489662710321663632932542582962310173132377850665543660775932522344900956300630521864767237485526514015298913718610105140845575991586665664164392620543665418012563299749441522055525474586363459407003660109142509945201458729855011305217520000447162900494521589323549356221239926125728406550853062796090688256145925484447265401291439446990038873019079099545199515384551843211468036523876663808009607950579310076680589018175028701434433104817382427560684215494069420730794651113565267741019843120923536906194569167091315142412493467850651369788197639740509439914926512400635697572544034086026595200760132149155920890258335994459808934797971168377436682614624854160812715477809802742268023363564436100669846344373541823191400519444321433305596925864330442269213790375917468787476024135832201720611810371754914500903995999151536403591931835989
 . . . . . . . . . . . . . . . . . . . . [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)
							cb500adcff7f3aa175eb2e199dcce1f86c3f08d1
 . . . . . . . . . . . . . . . . [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 'yuanyuang.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ab5d5d3740000040300473045022100c48f9b725ce67e818ba9ea7b9d5629c9ca1c69968ac454c0954d2dce52bd4b9702203b1b9b9c6b6037af15eeffe6ab1ef39a44ec7126f91a99c89fc66a8931493be0007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ab5d5d3da0000040300483046022100c60d2c58cc2bfb264340ebc83af0dc6b365a8e4d6aac8039b63661bd1430c6c1022100b99f169ecca967d3643df27bdc26feed25fa2bd490e1fb5c93144a4c27558706
 . . . . [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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