mail.dp.ru

Issued by WoSign CA Free SSL Certificate G2

About this certificate

This digital certificate with serial number 54:cc:cc:f3:d0:4a:fb:b8:a4:3a:1d:02:e3:ce:86:6a 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): 54:cc:cc:f3:d0:4a:fb:b8:a4:3a:1d:02:e3:ce:86:6a
Serial Number (int): 112718537133540205340653704351459477098
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 45:ca:b2:de:26:85:05:22:06:56:16:45:fb:87:d8:8b:eb:4c:7a:54
AuthorityKeyId: d2:a7:16:20:7c:af:d9:95:9e:eb:43:0a:19:f2:e0:b9:74:0e:a8:c7

Fingerprint (sha1): 29:99:0d:a8:b1:13:63:d9:a8:b9:8d:b1:19:72:a1:b4:ad:ca:12:ec
Fingerprint (sha256): b0:c0:a9:a7:e9:af:4a:60:74:33:f8:45:82:27:20:ea:85:9e:9e:42:24:a7:ab:48:64:ea:15:a0:dc:c8:84:cb

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoy87hXGr3u2bnEg4PnGj
5x9idPAbmbx1XWXa80STImtwoE1doBtNyM+T+JjKVx/im430fEO5KwN3YJGlJ2rg
4kd/IqqMJMmhzGtDK0cpOWnvVHJJCGJEmlWXcgOzebrQ426yuxF/HAlEK1eYRlcP
ApBEZiBYii3e8DlnY2sCFiZLL9A6tsNpJD8QenHLj6eRutVeEBb6wGxzWa5eMHZy
DVX9qwryhS7TAGM3dAC6pAU3deFpDbdl9Quap8XJIazobnzykTEeLvShptHLnJN+
oBovcQexCT3NpBwQWQ4us1Ksl80QI/uZPO/phXLqS0j1xFrTQysfrZSAJAepWtBA
7wIDAQAB
-----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 112718537133540205340653704351459477098
 . . . . . . . . [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 16:08:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-07-13 16:08:56 +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 20600134925731101404352378144894755726830352377234084094129114885643335558380014453738840396429664663196383010689629805587118307831773504890078794215867046282807949480478237733784645037846453262927765586309782541699125821311143941485047136283702548976931940659066857687622752945540856575388893906268163620541415378224950828275197281233576295785716037953886112477434859063879954931592793267949604271926780715820499652725367334802068346174231966593613714876786214185509067379476862617108221688660097610255911082259297094605862323880641788304474481332870613031982756907207622453841290470247996757908633493922593566114031
 . . . . . . . . . . . . . . . . . . . . [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)
							45cab2de2685052206561645fb87d88beb4c7a54
 . . . . . . . . . . . . . . . . [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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