www.houkan-wakou.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:3b:9a:61:63:69:f2:db:b3:81:5f:eb:03:87:77:02:a4:5e 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=www.houkan-wakou.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:3b:9a:61:63:69:f2:db:b3:81:5f:eb:03:87:77:02:a4:5e
Serial Number (int): 368731010155875179653876384163661237888094
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 41:53:c5:2d:b9:9a:0d:0f:e0:5c:0a:92:bc:08:a5:4b:1e:a2:30:71
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ca:f7:9b:9e:4e:eb:56:5b:c5:78:40:cb:ac:36:04:d7:dc:d0:3f:d0
Fingerprint (sha256): f7:50:dc:98:48:6b:65:dd:b7:0b:1e:53:84:c7:3e:ca:e9:3b:ad:f7:2d:df:9c:da:16:fd:a5:28:fe:85:02:2e

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 www.houkan-wakou.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.houkan-wakou.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

www.houkan-wakou.jp

Other certificates including the domain name houkan-wakou.jp

(limited to 100 certificates)
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp
www.houkan-wakou.jp

Certificate

The complete raw certificate details for www.houkan-wakou.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxVg/p/Uc5MkBwms052x4
E+NWTH3fVO/FZ2cW6T+0BQreISDTm7Hmcc7M/mK/8+InlPz9LfgNt8WcIWXt1PPI
8/8gsDcZSrVGI59R82hDWmSFl8Jr1spCf2Hh8gqQrRg2hgYfHVUj8AiOft09QBnM
gG5LTg8ViMbjJouFmGp+reIcExxo2Ryyb+jg7j8RpCbR+BnLNwYxA9z7LccTmvKJ
X4tHy24WmUBbx5s2J414Gabf9yFD9/RtRG5mGpJBqli09NqboUEUYj4vxPQ2SfIv
rkA05qZ45gDWxiNVOaJq/PqamQXBgzLubxXja7NaWU+0zPjJ5MKlEg2XiFmbuntF
OwIDAQAB
-----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 368731010155875179653876384163661237888094
 . . . . . . . . [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 2019-11-13 15:16:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-11 15:16:45 +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 'www.houkan-wakou.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 24912463112774067864256347477393267252307706121434407464491998596129125228329344047593896142192314608155124526744399011754695723151239858390189631819191918081616428569590977677805400460866055026571858417324127628697989463727134057274294928180562650479660813593989006155536907741799472918529783926462800302400224994634912018524638693033573515132476378132673173044483225498857547052119181161075281550438746371785957857932883006442707750144079289777269908154839964428014151704659068475258091360973709250471150774325264592894962839185552048040758584635778906185697355763961685040813835869799265916841062653968629114815803
 . . . . . . . . . . . . . . . . . . . . [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)
							4153c52db99a0d0fe05c0a92bc08a54b1ea23071
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.houkan-wakou.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e658d8da50000040300473045022100a8152a3585d33fa6d082d73c83149ad37ed5b82ec43268bbed4cfd347df65665022052c51362ae8d66999d51ad0afdbcbd89e0777e6ca9abbf0ea800be1e3a46dd100076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e658d8dd80000040300473045022100cd2b61e0cc130ab3c3f52e3bfbf68a621216024966e03738ffd44177893dcffa0220495c5ea3e137892814e69a87c61b3201f78e7664d8aea56e787e07c45716183e
 . . . . [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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