xenon.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:60:13:fb:68:ad:43:d3:bd:31:fc:8e:02:80:82:76:e1:3b 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=xenon.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:60:13:fb:68:ad:43:d3:bd:31:fc:8e:02:80:82:76:e1:3b
Serial Number (int): 294030525741220300442872371818199288045883
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c2:19:93:6e:c8:35:89:7e:72:2f:6e:d1:d9:1e:0c:a2:3b:29:fd:43
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 24:5b:ce:e0:4e:c7:dd:f3:a6:79:8f:1a:ba:49:79:94:8b:e1:a4:72
Fingerprint (sha256): 57:a2:2a:6a:30:50:9c:35:bd:4a:8b:82:4b:73:39:28:2c:f2:b4:ce:06:b6:b0:c6:75:b0:57:e1:14:10:72:72

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

Revocation information

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

Check the revocation status for certificate xenon.co.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for xenon.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

xenon.co.jp

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwf2NnTsqSBdvGNNlYkUC
bxq/+AzUvzJK1DN6ostDfCoqgNHZZ4/CxInRTzMBaKYPfv4iG2yDEUS/WbgxBCLA
2cKhwKDxj2f6QxaBbdVibVLJ4iVGxjvX2lsEBt8nzV3O92tSvgWbn1JbMvG76d4B
D1400aGYSg1GUcuM4p2rRzTU443lCKlDyaOaoCxgszzdEqzt1PylYo4rRh9IN79N
xfSwJjTEIfO9FqfEJuRxa6BQFmfde4T53vsUoAIUvZH9DcTf5GnN0SB9n14RIjRc
lyT0/FNoTV1IW4qwR18iqjwICRRiwfTaz2khzFmcevUOI+49iZqkAje6pNO2zp6u
nQIDAQAB
-----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 294030525741220300442872371818199288045883
 . . . . . . . . [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 2023-09-05 09:30:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-04 09:30:05 +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 'xenon.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 24489024591704225691632524858465978737268004439962630626087397285938968258097262427989673716169192616767877820061153922794293750643754649176704357179303236951131891481507919115197164236613176880910020283796387207316516561785172989358639390417707690346655127635910304449157367099499146317444686018818358662014796447960532825517440056040424341723078569858062658749867046100644585860824164535004351992330486087452053642653383760075784931659637552219414808979637914847122933339729198722787706516676860651634916877043038154742888210137265473386507167532541387753817029365428961867058119044320097892254832542295056311037597
 . . . . . . . . . . . . . . . . . . . . [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)
							c219936ec835897e722f6ed1d91e0ca23b29fd43
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'xenon.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a64e46d170000040300483046022100a655922be375fa29b47eff55cffd8f9bb1e9ad848f4445aa10cf59658bfaa7c5022100b8ef58dbcc214b55a3d936a79001ab53f2fbbde401be94b6bc4cb29b2ae2ddcb007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a64e46d190000040300473045022100f7d4fa42ad4c3b589de37764a86cde51f5960add2f9ece1de5748f70ee37f7dc02205e80e78f625099b521480fc04ecf07f87bcf3dcadcbbcc6ac19cc8915d322475
 . . . . [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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