zero2one.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:99:86:4d:31:e9:f2:22:1f:a7:77:18:91:4d:4d:f4:7f:8c 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=zero2one.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:99:86:4d:31:e9:f2:22:1f:a7:77:18:91:4d:4d:f4:7f:8c
Serial Number (int): 313578577304850779828557143273807486943116
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4c:49:05:8c:39:61:e9:7f:95:3b:a1:77:84:48:76:3b:3f:1c:ec:08
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 64:8d:9f:eb:3f:15:7e:a7:b4:0a:04:71:f0:e6:9d:89:1f:2d:80:26
Fingerprint (sha256): 21:cd:88:ec:13:12:ec:af:81:6a:00:d4:57:46:20:fc:27:ea:ac:85:b7:67:c8:00:6c:c7:c3:bd:89:b8:66:d4

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 zero2one.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zero2one.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.zero2one.jp
zero2one.jp

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zero2one.jp
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zero2one.jp
*.zero2one.jp
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discussions.zero2one.jp
testenv03.zero2one.jp
dev3.zero2one.jp
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ctc16question.zero2one.jp
dev.zero2one.jp
*.multi.zero2one.jp
zero2one.jp
discussions.zero2one.jp
testenvlab.zero2one.jp
ctc-mea.zero2one.jp
review.zero2one.jp
shimadzu-mebjupyter.zero2one.jp
aibpc.zero2one.jp
*.internal.zero2one.jp
echojupyter.zero2one.jp
discoursedev.zero2one.jp
golfjupyter.zero2one.jp
dev.zero2one.jp
*.staging.zero2one.jp
zero2one.jp
zero2one.jp
discussions.zero2one.jp
aibpc.zero2one.jp
mst-mea.zero2one.jp
testenv03.zero2one.jp
zero2one.jp
nomura-fio.zero2one.jp
dev3.zero2one.jp
*.zero2one.jp
*.staging.zero2one.jp
officialsitetemp01.zero2one.jp
*.staging.zero2one.jp
discussions.zero2one.jp
dev.zero2one.jp
discussions.zero2one.jp
*.zero2one.jp
ml-mea.zero2one.jp
techplay.zero2one.jp
techplay.zero2one.jp
*.internal.zero2one.jp
aibpc.zero2one.jp
shimadzu-mea.zero2one.jp
hub.zero2one.jp
discussions.zero2one.jp
discussions.zero2one.jp
discussions.zero2one.jp
dev.zero2one.jp
discussions.zero2one.jp
discussions.zero2one.jp
zero2one.jp
discussions.zero2one.jp
aibpc.zero2one.jp
zero2one.jp
dev.zero2one.jp
dev.zero2one.jp
aibpc.zero2one.jp
delta3.zero2one.jp
shimadzu-mea.zero2one.jp
tohoku16.zero2one.jp
discussions.zero2one.jp
delta.zero2one.jp
ctc16.zero2one.jp
dev3.zero2one.jp
delta3.zero2one.jp
discussions.zero2one.jp
*.multi-internal.zero2one.jp
dev.zero2one.jp
staging.zero2one.jp
discussions.zero2one.jp
*.staging.zero2one.jp
ctc-mea.zero2one.jp
zero2one.jp
*.external.zero2one.jp
testenv04-01.zero2one.jp

Certificate

The complete raw certificate details for zero2one.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsx9wzp6BB7QbW0QoNfh9
eaYGs2i+GRqa/psDH5YdSHWqO9ErAhAvrA/B0mHCt+JKqn0eeNv9Qku6tKV5JXw4
m0I8ZHdDdRYdEdKbRcUys0RvlZ4k4oVd8Cwv87tDSbz2lH+7c8TsJCtjCXrE65jW
ouujF43wjnyKX9eJw8PEjj0FWM8oYujkTQjGv/Dm9LmSEuBW7L2K/wP4m5tNdS3H
BHqGjZeuPNlvC+2d5xhdZNzRKans8Qj9WcBoDxOm11tBgd1g+Bzu8owvl4j9Ktdc
Nn0FBSdOghEiKxPVvTnykQJTRSE6xlvtC7KU+F82H8Omo9h/xxlPDBSw5UMSPwns
VwIDAQAB
-----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 313578577304850779828557143273807486943116
 . . . . . . . . [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 2017-09-23 17:08:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-12-22 17:08:00 +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 'zero2one.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 22612160552640164760759791329245380122632885423142335713891469279675149721418899970632678741422065582564949406650343311298867897223228867494639321753179945799342827131327114834206958027607160557006185601708330377515201461783045987388851769886220427698257887092206465468354369914607854959039119857697807107451373990244430591964267159874149422929632599061237371718745291137296434465362243965535875620210942099013152593573069868270215491983373558025337297067602495690582016775828152719405138833531931450743877187405255597866233953308499847589349664797929347963943262432850994152966001451737821951127419040395749946420311
 . . . . . . . . . . . . . . . . . . . . [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)
							4c49058c3961e97f953ba1778448763b3f1cec08
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zero2one.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zero2one.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 (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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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