mail.dp.ru

Issued by WoSign CA Free SSL Certificate G2

About this certificate

This digital certificate with serial number 27:17:a4:f6:f8:76:dc:3d:57:7e:3a:e3:26:40:e5:dc 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): 27:17:a4:f6:f8:76:dc:3d:57:7e:3a:e3:26:40:e5:dc
Serial Number (int): 51962660545556973196271516507757929948
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: a7:d7:fd:99:79:6f:a1:07:44:24:72:b0:93:7a:3a:2d:4a:c8:2a:52
AuthorityKeyId: d2:a7:16:20:7c:af:d9:95:9e:eb:43:0a:19:f2:e0:b9:74:0e:a8:c7

Fingerprint (sha1): 66:03:46:b9:56:e5:de:0b:14:1a:d1:0a:41:7d:47:ff:75:8e:f6:e6
Fingerprint (sha256): d6:88:9e:0f:9d:2a:e3:03:81:0c:28:9b:18:a9:be:d0:0d:3b:4b:05:72:79:56:9a:1d:fd:99:a0:b1:2d:45:94

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2uGBvG575ukdMdXmHph4
ooX70QX2dJrDfvHfJhDkr+0Gd+bV3tBZbQ6nISFwDacErfKjcFjU/zzQFyZWmw1z
fLjV/wbb/QzOr3NZCPAxw0nZW319SjyPUR1S4R1jRU0/eQXuN0/728IwgVBX9O4U
WCx/X86vB7aNbJtcWiOh4/UQZ5EvzFp9pWLYFnQtavE4oHwaJfzNnzy6BOgohiYu
Nu1hrLsXNJ4vUDk0ru19KYDepsOaXfU14U/AGWSUupdMIOJBlQdf2mnUaeNIYhul
xyB7ahB7C0yQHoSWYZkIhbfCxK8XlXhITJnNn1yPxo8KYKW8Ziqp2GOax8/1RaVX
fwIDAQAB
-----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 51962660545556973196271516507757929948
 . . . . . . . . [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 14:28:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-07-13 14:28:37 +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 27631152021090463154858884913180597614976224701854085406912921634768910499095616473618563544042641032044102532771215235895919746366530827415185810182678446232933261840320077862415762255572619449250281612374447712192651224563037081319878382595265475701843520684013707369154468514958132025277182341654338693504606006208936074260224221751092861089126568062337397537685508489355193008748464205443373661527340100227835134438125270462839335509178976593362206912248097386415940102961996196954337711562949262952609108301835877407118909549947674011162224742021506943826087800136577478932409359240517411830422771002376311887743
 . . . . . . . . . . . . . . . . . . . . [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)
							a7d7fd99796fa107442472b0937a3a2d4ac82a52
 . . . . . . . . . . . . . . . . [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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