blog.kainy.cn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:37:8f:da:31:60:83:2b:79:bc:99:1b:a3:ce:c3:27:2d:4e was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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)

Certificate Subject

CN=blog.kainy.cn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:37:8f:da:31:60:83:2b:79:bc:99:1b:a3:ce:c3:27:2d:4e
Serial Number (int): 280243600501529328267888997694523161652558
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fc:af:db:75:1f:11:e1:50:d6:88:1c:b7:e0:2e:47:94:88:2f:41:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cd:ad:c9:80:00:ad:ca:07:1d:31:ad:a7:2d:85:e6:5e:70:45:8c:3b
Fingerprint (sha256): 02:d5:97:33:b2:a9:00:98:a9:e0:e5:e2:84:21:6a:00:b3:97:43:18:50:81:cb:15:5c:be:1e:c8:49:8a:2b:f3

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate blog.kainy.cn

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.kainy.cn

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

blog.kainy.cn
job.kainy.cn
xn--9krq6q.xn--b2w966e.xn--fiqs8s

Other certificates including the domain name kainy.cn

(limited to 100 certificates)

Certificate

The complete raw certificate details for blog.kainy.cn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtp2tiu0kFID/l+72hXiP
qrq62tJYmtyVXQRFI/NPbsndwK28cG/Zqn3MS4AP696Gn/BSdAc12yWy39PUuN+Q
xPAbjPR0K3OXo9rmgJZj/UTJXVeLRGk3VsKSJLdk6S6DZ8FGO0njXda4eV87xzbu
CFNGFzl5Oqp/hi1Kp5PQw4tAwQNzsk44F2B61tF8TgmMKpAyqVAy5IDdG5YEQ2Q/
OTNmZiOlhZRZciVRINCwP5tRjUwa/noxbW+bY0KrUI06Jamq7ZPDKwRYnBlxtojF
rEcPFxNMD0xoREfmS55tm2L2i5SgG8AkFYAoUtwanhWcZErPrVkUQ19vs2vNnXbG
8wIDAQAB
-----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 280243600501529328267888997694523161652558
 . . . . . . . . [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 'US'
 . . . . . . . . . . . . [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 'Let's Encrypt'
 . . . . . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-10-07 15:53:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-05 15:53:20 +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:19|false] PrintableString 'blog.kainy.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 23053125374780348342546235923074329847324723100001913165760168169376811540145104868237771889465955889042783751937421358666708339612756151448148417426057785399261804436580887296349824437030007388584402825909787340810262096781302963321504713615645349831178763145229337763841787153548799771142011191042473182418088509104339186093464766384650544465097009669685161433755267172020037690163777322053311015156067347894467473675271016156185193220891782947646446371438913543238748383948336721438035914260063159706196942209844894733116017295306148800514181133030813136999553509299568557364266961445332559469504629073897776924403
 . . . . . . . . . . . . . . . . . . . . [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:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [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)
							fcafdb751f11e150d6881cb7e02e4794882f4117
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [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 (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.kainy.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'job.kainy.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'xn--9krq6q.xn--b2w966e.xn--fiqs8s'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00075005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001664f7293e900000403004630440220736a0e7bed2e59ed01cef0069885a8993574c25a2846b0cf4b3de080d7219b0602203f93c6e9fd7f0cef0880fe4541b5424f6c3bff7be4285f5eb2937bb6f920229a007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001664f7293d30000040300483046022100a73ce5b008b682176144b21ea55b09e34fb93d794a8ad541b89ae44e906f26ac022100ef3c9251d3c94d216b96c71a9b74ebb6caacfd3935a9a5f0a1ef347d3065e096
 . . . . [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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