mail.dp.ru

Issued by WoSign CA Free SSL Certificate G2

About this certificate

This digital certificate with serial number 19:31:5e:e6:42:f8:e1:ed:86:ba:6b:da:78:09:8f:98 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): 19:31:5e:e6:42:f8:e1:ed:86:ba:6b:da:78:09:8f:98
Serial Number (int): 33487047230398116079729052627180818328
Serial Number lenght: 125 bits, 16 octets

SubjectKeyId: fd:f7:98:e6:12:38:20:f2:d0:c3:19:43:0d:c5:b3:38:fb:17:95:19
AuthorityKeyId: d2:a7:16:20:7c:af:d9:95:9e:eb:43:0a:19:f2:e0:b9:74:0e:a8:c7

Fingerprint (sha1): e5:67:44:fa:31:16:65:6f:be:bc:c5:17:0b:35:d2:69:bb:1e:9f:c6
Fingerprint (sha256): 68:b2:52:88:82:c4:45:e0:19:09:ba:ea:8f:f6:ca:54:9c:5d:dc:0b:1e:98:0a:0e:10:c1:17:df:20:9f:38:91

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq7Ad9de69a6mXUzn45DO
JOSBatGgZgeYrwlsVQ7bXG+om/5ti1NSTkZx+aKDSzLuW+uhZu3/vseDy51DRKSP
jheZrvFB9VpKW9NsTsMNEA/t82TIf+dxQ0B+EdwQyYxt/anQWxZqqLvFx+PL2KsH
EJyzLTC8g81h5as7z2SnUeXOjdrmCwSPtSMoio4mh2Kdj4CXeaq9sVBTF1ugPw1a
DHvMY4v7bY/5bvi6Yq1F51GOXa0p1HcFStJwMD8xOU8yu2Avf8RXVGeuYxHGr0hh
RUm6xpQiQK9rCjSXshYUo8iWNG30W+fVIz4CIkPLzTHZdRR62jU6AzmVCJFNyuco
hwIDAQAB
-----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 33487047230398116079729052627180818328
 . . . . . . . . [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 23:10:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-07-13 23:10:28 +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.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 21673596694742696443095809134707558389231712660689789134596962165546613890473164068968190109512690871036317214855411376110676814484712193112442691281927072084071422686501930839683291785021931903060217829926803979208596338297981553335931062723503471948859742017884557922886629303585715270140823950112990849755578126758774727556590853982917596781478301862671723775567970040936457194815946538645014182843049473197558960988258068044970001245158030242847345693492625835984773018426307822555858367201827458991030214712972362490864373337234354331662000510243633986007056296488928833888091727539949886220810771688202325928071
 . . . . . . . . . . . . . . . . . . . . [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)
							fdf798e6123820f2d0c319430dc5b338fb179519
 . . . . . . . . . . . . . . . . [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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