kozinsaisei.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:84:a8:4f:a0:ab:d8:96:14:4c:c5:94:21:b9:79:3c:fb:bd was issued on by Let's Encrypt.

With 2 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=kozinsaisei.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:84:a8:4f:a0:ab:d8:96:14:4c:c5:94:21:b9:79:3c:fb:bd
Serial Number (int): 306477853982388889806131981721602818374589
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 34:85:27:0b:11:a4:7d:28:12:17:5d:67:d1:2f:d5:98:e4:70:1b:cc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6b:e0:43:df:2f:51:ea:32:e2:8a:ce:97:b4:77:44:bc:f8:67:ea:5c
Fingerprint (sha256): 6e:0d:1a:95:43:7b:3d:f4:a4:51:c3:38:bb:ac:12:18:db:e3:cd:37:5d:1f:3a:3a:39:d5:1d:ea:b1:72:c1:20

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 kozinsaisei.net

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kozinsaisei.net

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

kozinsaisei.net
www.kozinsaisei.net

Other certificates including the domain name kozinsaisei.net

(limited to 100 certificates)
www.kozinsaisei.net
www.kozinsaisei.net
kozinsaisei.net
kozinsaisei.net
www.kozinsaisei.net
kozinsaisei.net
kozinsaisei.net
kozinsaisei.net
www.kozinsaisei.net
www.kozinsaisei.net
kozinsaisei.net
www.kozinsaisei.net
kozinsaisei.net
kozinsaisei.net
kozinsaisei.net
www.kozinsaisei.net
kozinsaisei.net

Certificate

The complete raw certificate details for kozinsaisei.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA96IsZowBK21XP30b1OS7
NUsmhBixmsuO00ZCAVp+gTJzVQioxj/cvn+lzJhrtQ2vVPo5lUV3i+GYc3f/DWXz
XR7kV063JKEdqlnbK/WRRNfLBhPbJNK7zihfowrMBmsp8cXb2Yhg6ByNtBH1KdN3
hMXhChxcProsCLOW65xW9XBWnMY7WNoQuMOhMY3p3zuz9fzbJdw8I6cav9xdtjdk
vNr9th2OC+LL/ntl+y4+DCy2FJQqXVuGyFEkbsZo/67ZVbdyKqPxDnyi/LxLBlDg
DVQCWBWBl//5pH9HNloXihNzfMRa4BRryCOhi745aaBJaDEFKHf6n4E9AJsXQJzp
CQIDAQAB
-----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 306477853982388889806131981721602818374589
 . . . . . . . . [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 2019-12-24 01:41:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-23 01:41:06 +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 'kozinsaisei.net'
 . . . . . . . . [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 31260832030301911201661347854160251907774780844587250254414897175466552758508395307282404860065088281777683637072313988489004296649418501109564905277409718677443149873401533851635408715383962675999076330179021327400677110391311955829045484631417163489002588340425557361257666327036270889041721360264532209449380291689609542718204809661323140284889819158567826371457288400432917275091128870287638340067642093947890074935793403212426697930110082041692615171864434366672161143495018793436234134883229110744342603606758546689862365414842368555807143892662274461544752159677305294270168265120259409679814668439412186867977
 . . . . . . . . . . . . . . . . . . . . [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)
							3485270b11a47d2812175d67d12fd598e4701bcc
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kozinsaisei.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kozinsaisei.net'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f35c786320000040300483046022100b6cc035e4e6f541a90ac51d452ff557add2ec0972f1e86d73b3ebd7fb49e53d9022100c1c98e9b21b3fcda8767ec063ed1217dba81a7ac4d2e451c60cd684f90d9ed5200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f35c7867b0000040300483046022100d5b0d70b6a1e170b12d330a1d32acdf8aaa3336cb27d1514c2a47ce47dcf141a022100d1033584ab2f006d13dcbd00cb71dfab08a8ce9d168fa80a7267c57509d77232
 . . . . [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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