mail.vqiu.cn

Issued by WoSign CA Free SSL Certificate G2

About this certificate


This digital certificate with serial number 17:7a:e2:3f:47:8c:83:9d:c7:b5:0e:84:72:f4:04:d9 was issued on by WoSign CA Limited .

While the 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.

Cerificate errors/warnings *beta

  • ERROR: KeyUsage extension SHOULD be marked as critical when present

mail.vqiu.cn

WoSign CA Limited

Organization: WoSign CA Limited

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 17:7a:e2:3f:47:8c:83:9d:c7:b5:0e:84:72:f4:04:d9
Serial Number (int): 31210292957882284576237411016872559833
Serial Number lenght: 125 bits, 16 octets

SubjectKeyId: a6:57:5e:45:55:cc:51:ad:55:f9:8f:58:63:b6:e1:a2:dc:cc:ab:bd
AuthorityKeyId: d2:a7:16:20:7c:af:d9:95:9e:eb:43:0a:19:f2:e0:b9:74:0e:a8:c7

Fingerprint (sha1): 28:80:20:dd:96:7c:89:90:da:52:6e:9e:33:5a:99:6a:d7:81:25:a4
Fingerprint (sha256): 62:20:d3:78:13:58:ec:db:b5:85:11:3d:31:53:97:38:15:38:aa:67:6d:1f:ef:b5:c9:08:39:9e:e5:e2:fe:7d

Issuing Certificate URL: http://aia1.wosign.com/ca6.server1.free.cer

Revocation information

OCSP Server: http://ocsp1.wosign.com/ca6/server1/free
CRL Distribution Point: http://crls1.wosign.com/ca6-server1-free.crl

Check the revocation status for the current certificate on mail.vqiu.cn
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: mail.vqiu.cn

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIEnTCCA4WgAwIBAgIQF3riP0eMg53HtQ6EcvQE2TANBgkqhkiG9w0BAQsFADBV MQswCQYDVQQGEwJDTjEaMBgGA1UEChMRV29TaWduIENBIExpbWl0ZWQxKjAoBgNV BAMTIVdvU2lnbiBDQSBGcmVlIFNTTCBDZXJ0aWZpY2F0ZSBHMjAeFw0xNTEwMjAw NDQ1MjhaFw0xNjEwMjAwNDQ1MjhaMBcxFTATBgNVBAMMDG1haWwudnFpdS5jbjCC ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALL1Ntc1UdAuy3wZbXbfg9C1 c1dWv+ieRhYsVAr4silYzaQdz4MrEhW/Vlr6v9ODQSBUeO5u3ZdThSuGB7+norYe oFXx+gnb932h72rgWUx0NSYnBTkYszjecKmMdjXLpV8EyRVPA4vyibtzgqerpE8A kxyS+2PyYKABr8VDEvgD+4HFWrs8rJPqA2Qp32ba0rUbubB9zVtwJr3E4LV6FFyQ dKch9zqUapkC8KA0c8yfppe4EBMkCxWgPCgKAadaOcAOYK+D2z57J4Jf7UHni+8C OPdsBeN5SHHYKDT+eA2QCbkqerMn3Z8XMzo0y/pPkDtKBQHbAutxb8bl48f/VUcC AwEAAaOCAaUwggGhMAsGA1UdDwQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAgYI KwYBBQUHAwEwCQYDVR0TBAIwADAdBgNVHQ4EFgQUpldeRVXMUa1V+Y9YY7bhotzM q70wHwYDVR0jBBgwFoAU0qcWIHyv2ZWe60MKGfLguXQOqMcwfQYIKwYBBQUHAQEE cTBvMDQGCCsGAQUFBzABhihodHRwOi8vb2NzcDEud29zaWduLmNvbS9jYTYvc2Vy dmVyMS9mcmVlMDcGCCsGAQUFBzAChitodHRwOi8vYWlhMS53b3NpZ24uY29tL2Nh Ni5zZXJ2ZXIxLmZyZWUuY2VyMD0GA1UdHwQ2MDQwMqAwoC6GLGh0dHA6Ly9jcmxz MS53b3NpZ24uY29tL2NhNi1zZXJ2ZXIxLWZyZWUuY3JsMBcGA1UdEQQQMA6CDG1h aWwudnFpdS5jbjBRBgNVHSAESjBIMAgGBmeBDAECATA8Bg0rBgEEAYKbUQYBAgIB MCswKQYIKwYBBQUHAgEWHWh0dHA6Ly93d3cud29zaWduLmNvbS9wb2xpY3kvMA0G CSqGSIb3DQEBCwUAA4IBAQAhA22A12P/iGIVOJBIxBM4oY1WTSpjcM0WkL5o7OB/ QZ2FOr7mjEi2Sw/0iNlGDoCaLKsKDSphsW92MoF+deXVg5h8pIhnoe0kQpJv8hKP K0YZF94VlGsNsIJz9ra/oOIz0WHF8UhKfFVJnsK9XbjGI1fmdaLuOnlEtQvEH0g7 RyfYgOBLI8ztwpgXaEuB+YrTlH/SWHrkt62IFu9jLjHPV9Ei4GSq4hX7K+SHN8xV nQv5ZMhYmg4RwOx3RmqHeF98KWbmgDO0A0KE2uVtkAtkUdgv4XV31F9S2m+hE5Wt v9L3bFobqv0DrF+VYC2VTv57e/affTJsQaO5aJ2vvpYB -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsvU21zVR0C7LfBltdt+D 0LVzV1a/6J5GFixUCviyKVjNpB3PgysSFb9WWvq/04NBIFR47m7dl1OFK4YHv6ei th6gVfH6Cdv3faHvauBZTHQ1JicFORizON5wqYx2NculXwTJFU8Di/KJu3OCp6uk TwCTHJL7Y/JgoAGvxUMS+AP7gcVauzysk+oDZCnfZtrStRu5sH3NW3AmvcTgtXoU XJB0pyH3OpRqmQLwoDRzzJ+ml7gQEyQLFaA8KAoBp1o5wA5gr4PbPnsngl/tQeeL 7wI492wF43lIcdgoNP54DZAJuSp6syfdnxczOjTL+k+QO0oFAdsC63FvxuXjx/9V RwIDAQAB -----END PUBLIC KEY-----

ASN1 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 31210292957882284576237411016872559833 . . . . . . . . [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:19|false] PrintableString 'WoSign CA Free SSL Certificate G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-10-20 04:45:28 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-10-20 04:45:28 +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 'mail.vqiu.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22591337923226887356587391760322282735772165307158023502023212307686307850361367732406264112630088116337190014867429680419759580111504777625754712272587907803305545683988661670886970976459699306439025929418045853332146373951506026489054115776162542588140279054406739642869500832025398119923537218502311730566792788389614550878966296522695345635654070387166809520986927729055949793739134768324119201746990147576563623251495181216818836153713600638178018674015935584213528045048639227198526582500576291651225668526638463760542690699699047169542382545185518894489969042280295867803040732260746812031619642526902796637511 . . . . . . . . . . . . . . . . . . . . [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) a6575e4555cc51ad55f98f5863b6e1a2dcccabbd . . . . . . . . . . . . . . . . [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 d2a716207cafd9959eeb430a19f2e0b9740ea8c7 . . . . . . . . . . . . . . . . [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 (113 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://ocsp1.wosign.com/ca6/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://aia1.wosign.com/ca6.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 (54 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://crls1.wosign.com/ca6-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 (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.vqiu.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 (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 1.3.6.1.4.1.36305.6.1.2.2.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://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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