kozinsaisei.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b9:bb:b5:71:cf:23:00:68:6b:76:5b:10:83:72:a7:48:21 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:b9:bb:b5:71:cf:23:00:68:6b:76:5b:10:83:72:a7:48:21
Serial Number (int): 324538603424920877074173443950697609906209
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 74:b3:c1:7f:9a:cf:91:07:8a:d9:ba:a6:fb:8c:73:35:8f:25:99:5c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 63:89:5c:77:f4:fd:f5:38:03:bb:a2:b3:7e:a3:6c:ef:fa:8f:ee:07
Fingerprint (sha256): 94:04:ca:a3:39:ea:a5:5b:e5:96:75:45:e7:27:2f:24:f0:c5:80:63:8d:c0:95:d8:47:fe:4d:cc:56:fd:66:5e

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA/IyPTiuarYRBSTjnFWOc
fb0QOfEHoZOfM0ai20GO16Tf0oEgFc9LGAXXNXhg6zGWd3GMk3RysFFcp7EdrNdX
quscajF5FOpSaqHWHiOgJQCjK4aglb/HUv5XSbt3O8FVffsefK5Tt613E9SD/wA9
rbHwY2mqcUKAPcp3rSrlKVIuso56cPfXuxJH0wM9vFegoIyUIcZ0baGMLZjVtnmg
0kQCuPTm8zjnP+x523+IP4rkhLxQIaojXI13CSX2Meh4aR2Sk48Zgee+tOpZQRoj
YcAWP26Ihq8O19Em1hBrPCzYBPcNOjEHnFnfZXB5i1X7TFkQy7FdwYaI6pxhXMK0
WQIDAQAB
-----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 324538603424920877074173443950697609906209
 . . . . . . . . [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 2019-02-27 01:38:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-28 01:38:18 +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 31881365465503467840595053116615469080182072736505980066280982314254760059197667666872885370521149584493881513484945523418200447402406748302119654050661974685392909084270005995999122085087096392368436550872607335806739401752303853542048383138296462093460819590869289479188456449134212760877410299677148770607672724376833739499803049142825163209344021613402906879817424030956070485425647035005435605405996751459779456048599644975448374023743276560954583139455984405442337180290304486283340274573598718044819041693923051707883210263056731763074222873281089993360142573691595767032385573810387968356542350109376059192409
 . . . . . . . . . . . . . . . . . . . . [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)
							74b3c17f9acf91078ad9baa6fb8c73358f25995c
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001692cd129270000040300473045022100b807ad1f89d2c7d45e8b0827d49fcec03f035080e226e233c89761c7d56ee50f02202f695376049434d6473326a7f3e8942dbbfe74b79b7692965a06353defd4cc69007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001692cd12ad00000040300483046022100c4025ae38ffb1f3b9ef67f0246892aa3e01c5c7e4d6ee0451b33a9560e0ea005022100be189f2e42e4056e80b614a30854d8346d0f4ee0f20c7982f56e7d741c076439
 . . . . [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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