jau.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:53:d2:7a:03:5f:2a:d5:62:93:c2:17:62:17:1f:7c:98:35 was issued on by Let's Encrypt.

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=jau.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:53:d2:7a:03:5f:2a:d5:62:93:c2:17:62:17:1f:7c:98:35
Serial Number (int): 376972351589197613223175940837387339077685
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f2:cd:5d:0d:d9:7b:d8:71:52:68:0b:11:6c:71:74:9c:8e:57:bb:58
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a5:44:fe:82:c4:61:21:fc:5f:37:ba:a3:10:05:d7:c1:64:57:33:33
Fingerprint (sha256): 67:38:42:7f:29:96:ee:b6:36:95:74:cf:df:9d:e0:16:e2:45:c3:6b:e8:76:6e:0d:5d:ad:6b:a9:cf:3a:03:8d

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate jau.co.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for jau.co.jp

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

jau.co.jp

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Certificate

The complete raw certificate details for jau.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwQR6/IxthZ/ybo6MVdmF
2cdmL5vs4Uxl1aA46rUuYeyr7bCVGr8pmIeAVtfskQWAF6ZjHbx8EHL6/nRsuVof
SrJT5l/FoOb7iXejkG7KquiqWxHixCvOlklMeWn19lxHty4tEsKgDoIQBLDN7GxB
I1CGZei9vyqrA6Ffglw7RHMHffJr5eEI597h0Zx8w2A+rqP0S0IIyzQW0GsZsWDB
7pGeWaULQ3HlupsJBsW8sSM1Zc1RObYeflkUAYpl+t6kw64X2KSiHvBc2l8b/w+K
l2MY3uvkxPLbL5n/LsOU2L854mEAvOsNCiM0qT4stU+jWXeJDHuKWVFuvkGjwDN6
PwIDAQAB
-----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 376972351589197613223175940837387339077685
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-25 06:58:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-23 06:58:02 +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 'jau.co.jp'
 . . . . . . . . [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 24366202233965377841284462163379250835584415296259688727865526998190237273049046504114556629017690083144995343349264244066278697922064721516968382843459635802264287447975882282391424334590680277490321222735305232220279103305883323026453605953508883686223212356888711066421116808381450660237286036899538470743621872310316893049098392639951056926238471668824549767026962023525252469859474022364380783670360951837842992585073649055195765805961788399853349851259735046931853465898274180335339735738448820151935493160603929763489047045109035033779278413179188568232992880449427162998643632465691487422998517567913605691967
 . . . . . . . . . . . . . . . . . . . . [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)
							f2cd5d0dd97bd87152680b116c71749c8e57bb58
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jau.co.jp'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001898c0e21410000040300483046022100b13a980fc01b1dcdb3ea639afc237d931fe3c3d48709b189f4c4afb35e25c270022100f4bca44879fdff9356255b8598cb6f0c862657f02972ce41eaf9d83a25682dd6007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001898c0e21480000040300483046022100b3e8d35f6c16769f7442be483e6eb9abf5c71adfa4382ef1891cf1d334229d50022100d96c39c5a54c6a8fb4c56264f396a455de232f256fe29f6c4f4a0236fbc2fc7a
 . . . . [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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