kozinsaisei.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:40:d7:93:db:a8:29:cd:b7:ed:33:62:04:c3:27:9a:8b:6b 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): 03:40:d7:93:db:a8:29:cd:b7:ed:33:62:04:c3:27:9a:8b:6b
Serial Number (int): 283401481020123735219739960828807886834539
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:25:cf:8e:32:90:c8:d0:17:51:6d:77:9c:88:c0:6c:7b:63:cf:60
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 29:e6:46:e3:c9:50:66:00:d1:4c:1f:a7:e3:f4:8e:45:7f:cb:00:da
Fingerprint (sha256): 54:0e:00:ad:30:0e:58:be:8d:2c:f3:e5:c8:f6:61:54:17:21:76:76:7d:31:e0:1b:18:cc:15:d4:a9:41:f5:75

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7i4ehieE4RLtItKI08SL
pV0TVGhifsC72jeQPy3rGzy/4P9uiI8bmoIHVEV8qMPSPq7tGPGFHOwXUNs/Z1ID
ppKtgmsYX1UXpubuiU0Ikcz9BxLkRHYIwzTYn07KnGGWQfXP8bP2jkkcoUqGIfhd
LiRreKwQI1zblwZ+YKHU0gtM2p77xWp7rKd5Nuxh0iHfhq+CR3+4JfdfDk2lNe97
eXGPdX6sJfq//f5z4havc6LyUDvseZODbDGJi5TepCducZye/C+5KkNix+Th3d7F
uCPvUYHQljAed6wmEvc4ZmigSe+p3xrcUcl140ar2nyN18FNpuJC/Mnsboazmqcf
GQIDAQAB
-----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 283401481020123735219739960828807886834539
 . . . . . . . . [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 2019-06-27 01:15:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-25 01:15:37 +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: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 30067458824085272741648882001644709922535521673923360214587347562114846092277551459640522290440757885813186421604825364833053471401436429843121284109160147384942901106553268050308235338775801418089024772303930702639369049190347715911386089727850087840810278196703159082644764457704946207250572539832511739668458966127904323177314768055818339231570295681566340111568427506582154589276760532886456675822641362339246012477214630017998435491267473290822900952285965161927157516478934671421815285280587943246836262619531381540818739566633641937515126230625513207302634473961462319086174033166696700376776603326317068754713
 . . . . . . . . . . . . . . . . . . . . [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)
							d625cf8e3290c8d017516d779c88c06c7b63cf60
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b96b78172000004030046304402206f571ddc81d55262c8420c4a293140117e0a03d285aa8be433689feeead293c10220363d8a26a83b2c36c32a7be0cf3a0b7c8be4dc3b62485052adde92593d95452700750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b96b7816500000403004630440220414330f283a2461f05f683dc380ab84b223c7740ff989ff193396d0fed4cb1210220509a42f137b83410500729cf32ffac5c52eb0efee9b5917d699152c3b099e63f
 . . . . [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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