ybbao.cn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a4:08:c2:b8:b2:bb:84:5f:26:19:fb:37:05:ff:ea:00:46 was issued on by Let's Encrypt.

With 2 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=ybbao.cn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a4:08:c2:b8:b2:bb:84:5f:26:19:fb:37:05:ff:ea:00:46
Serial Number (int): 317154810845995496755227154554012008316998
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 76:65:90:b8:1b:f3:4f:bf:70:2a:6a:61:28:72:52:d8:28:e4:24:bd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 84:81:0a:25:2c:53:d9:32:3b:4f:e5:06:ce:31:8b:df:2a:79:4c:16
Fingerprint (sha256): 79:87:80:25:f2:2e:c3:84:4c:b8:40:34:1e:ff:bd:da:24:81:ef:c6:ea:6a:86:2c:dd:50:2f:77:40:e9:77:7b

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org/

Check the revocation status for certificate ybbao.cn

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ybbao.cn

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.ybbao.cn
ybbao.cn

Other certificates including the domain name ybbao.cn

(limited to 100 certificates)

Certificate

The complete raw certificate details for ybbao.cn 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 317154810845995496755227154554012008316998
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-30 15:15:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-28 15:15:00 +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 'ybbao.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 799175044678310833906436178019606126746924570573671783814678711783522082799260093050615838559963535610592530620732919594675748207132412191958049832235433919496790295730804932552347889268459716174968861869652276825776525282089351480424943770908710931375969509051879436381683352464936019798070018434718957641493569357447182346962806930734437814447631914093848168378072407759320563118070425519069794278544349443482772693589031975659398627074419542980191180753838804676193103266530371250560312309812294194766014788608749238645475869422222351809972651903778051653825200237778643315473114276629890431302949965429173379116209318431200474913033423687646747700314775901748641879085984873452959682739821712133610806763508589393449484577239502160910595604531204208818869313503102623316275667286350243210927841104775261023206007240060184136428624072916964375030585890804500563751197370145721339978899660062824206627985627394037977641754533888799464966622726608114272753821845099451201785340393063225258474852958556921814963438601244378120926874293953748733643092381228955028610242774342425273420416132915719081061086895829767881560853111549227994390589721212685731034525204798074850605697278777123560721735181465543204999791515593483616846970519
 . . . . . . . . . . . . . . . . . . . . [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)
							766590b81bf34fbf702a6a61287252d828e424bd
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (100 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ybbao.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ybbao.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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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