duancloud.com

Issued by CA 沃通免费SSL证书 G2

About this certificate

This digital certificate with serial number 35:99:d5:f9:b3:2d:3a:1a:66:fa:94:5a:7b:3e:3c:66 was issued on by WoSign CA Limited.

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)
  • The keyUsage extension SHOULD be critical (RFC 5280: 4.2.1.3)

Certificate Subject

CN=duancloud.com

WoSign CA Limited

Organization: WoSign CA Limited
Country: CN

This certificate has expire since

Certificate Details

Serial Number (hex): 35:99:d5:f9:b3:2d:3a:1a:66:fa:94:5a:7b:3e:3c:66
Serial Number (int): 71247845132466906552882486113046772838
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: 80:89:32:f3:5a:23:0d:bb:c1:73:82:4b:c7:a3:cb:81:66:24:5d:6c
AuthorityKeyId: 30:da:74:86:f3:28:90:56:9e:d7:31:31:c2:bd:59:cd:93:12:39:1d

Fingerprint (sha1): 8a:82:64:34:d6:c5:a1:c4:e2:1c:90:af:9b:00:7b:05:22:cd:78:97
Fingerprint (sha256): 8f:80:a2:48:24:43:bd:d1:c6:24:49:56:28:24:ab:7f:25:cf:7a:10:da:2a:aa:32:de:aa:ed:82:19:e8:7c:1e

Issuing Certificate URL: http://aia2.wosign.cn/ca2g2.server1.free.cer

Revocation information

OCSP Server: http://ocsp2.wosign.cn/ca2g2/server1/free
CRL Distribution Point: http://crls2.wosign.cn/ca2g2-server1-free.crl

Check the revocation status for certificate duancloud.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for duancloud.com

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Client Authentication
Server Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

duancloud.com
www.duancloud.com

Other certificates including the domain name duancloud.com

(limited to 100 certificates)
duancloud.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1WlZ5AbpvRekV8yM12Pt
YEM1We4OwFtcm2st5fU9RuDp4IRnrd8eZwJn7U4/2rZOO2fd1eO5DtIn3kFHCyGN
ooWtb796JoGN6UR9tYgXEybRh/gUTEo+TG9byfOAxTjZ9L7X6ZYwHpuuBNjChWgI
c4t1cd/by5OsJ7HH6kktdYY1VShP5ZlCXEYlgxOpFOGssc/z0OEkq3qxMesvHqRK
cQux6UgV2RY7VUgHHRD26WTaHTdLEHna3oj9tqd5xKYMlwDIuz9DDry3vR+Rp2HC
KPWXIrfATb/6BZaZj1/XoNtwXq7nvFpnY1c1qufB8vJUOsTC6voHkAVQ7VdOpwsj
pwIDAQAB
-----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 71247845132466906552882486113046772838
 . . . . . . . . [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 'CN'
 . . . . . . . . . . . . [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 'WoSign CA Limited'
 . . . . . . . . . . . . [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:12|false] UTF8String 'CA 沃通免费SSL证书 G2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-05-13 11:53:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-13 12:47:53 +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:12|false] UTF8String 'duancloud.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26940709538992047180456368495458190930931287773007190228243892862388532338402645500506641682534164959408233718103894864472757314899221058262360799251465577673256714230235350085087641754949213412298096767058435017064172551440049267992931250812007771589018823679552722095220459492261232390997841455111654639105515299068259627034134304626808068880462293299121565760515245925627174176892271905666041857664012952730273156528222168107973242613663297688132318251842027014807116553399802512898127031687449497380925411364471344064317675651753781173779911276925056116496806156914179220639867868699312486919924923527082883621799
 . . . . . . . . . . . . . . . . . . . . [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: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 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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)
							808932f35a230dbbc173824bc7a3cb8166245d6c
 . . . . . . . . . . . . . . . . [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 30da7486f32890569ed73131c2bd59cd9312391d
 . . . . . . . . . . . . . . . . [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 (115 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://ocsp2.wosign.cn/ca2g2/server1/free'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://aia2.wosign.cn/ca2g2.server1.free.cer'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (55 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crls2.wosign.cn/ca2g2-server1-free.crl'
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'duancloud.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.duancloud.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 (74 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 1.3.6.1.4.1.36305.6.1.2.2.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.wosign.com/policy/'
 . . . . [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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