mail.dp.ru

Issued by WoSign CA Free SSL Certificate G2

About this certificate

This digital certificate with serial number 20:8a:49:bd:e3:8e:bd:28:28:35:22:ab:81:0f:35:02 was issued on by WoSign CA Limited.

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=mail.dp.ru

WoSign CA Limited

Organization: WoSign CA Limited
Country: CN

This certificate has expire since

Certificate Details

Serial Number (hex): 20:8a:49:bd:e3:8e:bd:28:28:35:22:ab:81:0f:35:02
Serial Number (int): 43253328492044553877422681061497713922
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: 9b:65:19:74:36:22:c5:fa:c6:81:bb:8e:55:06:fb:c1:2d:16:21:e0
AuthorityKeyId: d2:a7:16:20:7c:af:d9:95:9e:eb:43:0a:19:f2:e0:b9:74:0e:a8:c7

Fingerprint (sha1): 89:1e:39:bc:35:49:bb:56:5f:b4:d9:a4:3e:73:b6:e1:88:2d:74:81
Fingerprint (sha256): 11:31:82:c2:cf:5f:6a:98:b9:5a:e0:6b:4b:6e:3a:87:89:c1:28:52:3a:64:72:4b:93:89:c4:d8:10:d0:41:55

Issuing Certificate URL: http://aia6.wosign.com/ca6.server1.free.cer

Revocation information

OCSP Server: http://ocsp6.wosign.com/ca6/server1/free
CRL Distribution Point: http://crls6.wosign.com/ca6-server1-free.crl

Check the revocation status for certificate mail.dp.ru

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.dp.ru

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

mail.dp.ru

Other certificates including the domain name dp.ru

(limited to 100 certificates)
conf.dp.ru
pr.dp.ru
*.dp.ru
conf.dp.ru
mail.dp.ru
*.dp.ru
pr.dp.ru
dp.ru
mm.dp.ru
pr.dp.ru
*.dp.ru
*.dp.ru
mm.dp.ru
pr.dp.ru
*.dp.ru
pr.dp.ru
conf.dp.ru
mail.dp.ru
dp.ru
mail.dp.ru
mm.dp.ru
conf.dp.ru
pr.dp.ru
mm.dp.ru
portal.dp.ru
mail.dp.ru
conf.dp.ru
mm.dp.ru
conf.dp.ru
*.dp.ru
pr.dp.ru
mail.dp.ru
mm.dp.ru
*.dp.ru
pr.dp.ru
*.dp.ru
mm.dp.ru

Certificate

The complete raw certificate details for mail.dp.ru in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo4jel3WVwLQbEqZkEzGQ
2PGlIfwfU/n0cdvUZ5MIb5h3ky23Y1ETw3sgO7P8ivOAwHeDiKo8qg9qOAp8Yn1K
Ujz/ecl929tkfpwednnpxlVecjeBFzMv2gweNNsGGYGL3pzKN9go2tfUM1By4BsD
5C1yshVDHwIea2XOLrkZVA5rAQeSlDjG+OHANTLf61gkja3qQKkP/TzCUBrpgsdP
aLDjR2eVQ+IjeRPgihxxPJZWNgwa4sqdveJSo99F6FGg71G+SbmIj5qs4FocsQvu
Ie4UHVBMaA+ILdvs4CbNS0DRges7ICaTBbQyn0sOWQkFubfmtFyD6iYn2Psdm/0e
0wIDAQAB
-----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 43253328492044553877422681061497713922
 . . . . . . . . [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 2015-07-13 14:51:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-07-13 14:51:03 +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.dp.ru'
 . . . . . . . . [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 20644336574713729499872735202364036106383452436246398234895230412281600334479459066105202845133314728749172839150922630575068349826081693505795356925693801601629845202625430140842553576430785065683963233765771443205339155777824177322670899065858858635704931050324231142412494961989605893394202075750337399606879401132474709083811086250673078991409878644145533584664105479238834855846402411438973038918970360428793850240828053791277779545664624421654939579887403048612173681414027982327239161936857258912084701774732504663646996917102845553481144602090755774371132349090222237720991601898566362768200945044923665424083
 . . . . . . . . . . . . . . . . . . . . [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)
							9b6519743622c5fac681bb8e5506fbc12d1621e0
 . . . . . . . . . . . . . . . . [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://ocsp6.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://aia6.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://crls6.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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.dp.ru'
 . . . . . . . . . . . . . . . . [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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