bousai.cous.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:07:ed:a7:18:b9:79:d6:db:9d:81:90:c6:d8:c4:fb:69:67 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=bousai.cous.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:07:ed:a7:18:b9:79:d6:db:9d:81:90:c6:d8:c4:fb:69:67
Serial Number (int): 264034729013776457548403995287979093092711
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 57:0f:26:af:01:de:eb:f7:94:b2:64:b4:d0:8d:90:96:38:98:41:5a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c8:48:fd:d3:0d:ae:59:32:2b:8a:60:36:43:32:22:4d:f4:8c:17:4b
Fingerprint (sha256): 86:b3:58:61:10:06:00:5d:34:6b:14:45:99:be:32:11:f4:aa:e0:6b:65:6e:1e:b9:ac:3b:83:03:9e:db:e0:96

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 bousai.cous.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bousai.cous.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

bousai.cous.jp

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mail.cous.jp
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wajima-lib.cous.jp
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noto-lib.cous.jp
anamizu-lib.cous.jp
wajima-lib.cous.jp
wajima-lib.cous.jp
nakanoto-lib.cous.jp
nakanoto-lib-kanri.cous.jp
wajima-lib-kanri.cous.jp
noto-lib-kanri.cous.jp
wajima-lib.cous.jp
noto-lib.cous.jp
nakanoto-lib.cous.jp
nakanoto-lib-kanri.cous.jp
hakui-lib.cous.jp
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anamizu-lib.cous.jp
wajima-lib.cous.jp
wajima-lib.cous.jp
mail.cous.jp
nakanoto-lib.cous.jp
noto-lib.cous.jp
mail.cous.jp
anamizu-lib.cous.jp
nakanoto-lib.cous.jp
noto-lib-kanri.cous.jp
nakanoto-lib.cous.jp
wajima-lib-kanri.cous.jp
wajima-lib.cous.jp
anamizu-lib.cous.jp
kawakita-lib.cous.jp
anamizu-lib.cous.jp
nakanoto-lib.cous.jp
wajima-lib.cous.jp
wajima-lib-kanri.cous.jp
noto-lib-kanri.cous.jp
mail.cous.jp
wajima-lib-kanri.cous.jp
bousai.cous.jp
nakanoto-lib-kanri.cous.jp
noto-lib.cous.jp
wajima-lib.cous.jp
wajima-lib-kanri.cous.jp
wajima-lib-kanri.cous.jp
support.cous.jp
nakanoto-lib.cous.jp
nakanoto-lib-kanri.cous.jp
mail.cous.jp
support.cous.jp
support.cous.jp
wajima-lib.cous.jp
bousai.cous.jp
nakanoto-lib.cous.jp
mail.cous.jp
support.cous.jp
hakui-lib.cous.jp
mail.cous.jp
noto-lib.cous.jp
anamizu-lib.cous.jp
mail.cous.jp
noto-lib-kanri.cous.jp
kawakita-lib-kanri.cous.jp
support.cous.jp
anamizu-lib-kanri.cous.jp
wajima-lib.cous.jp
nakanoto-lib.cous.jp
wajima-lib-kanri.cous.jp
hakui-lib-kanri.cous.jp
anamizu-lib.cous.jp
nakanoto-lib.cous.jp
wajima-lib-kanri.cous.jp
anamizu-lib-kanri.cous.jp
nakanoto-lib-kanri.cous.jp
support.cous.jp
noto-lib.cous.jp

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwH5byOe5K1JJPiEdfc8t
Pn13QKd61UbTWVaLwhIQIzWWXjLi916bD+28/C/nipiH3ecfdMUQ4gUbxpxyOwEI
G8H5toK/jIpoeerACdlPW4XeLPb5BxiAKk+R/UardRy4bSlynXKCdwHXIY1obYDB
cIs/Rh0Rmhfwo/OEhPBcyVb8oRtj374eExTMH1rpSnZI2sWjnTa5X1MRyc12t8ra
nYrE16xVzXbvuhsgyYsL8NZJWYPyfGpDDl+OUXH8q/vn/lBGLYjD635KLwsj8hUP
lIsJH7j5KueJFgxxbxIDFlWLT+Ko8SioD/pRLbIllAUBn68KrGE6GUKHCn++zHHh
DwIDAQAB
-----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 264034729013776457548403995287979093092711
 . . . . . . . . [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 2017-05-31 22:54:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-08-29 22:54:00 +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 'bousai.cous.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 24300064269071152591917947241719654142998720718772199822172811272645580223661481311017228009231059377248898392637680989001839961989332326991067233257409353363279666166502243791452695303246089545398730998825006957432720989940971103553874635148498245043989849722561343265096203576076106431574598435107045799902685230363891300886066013746163026862298892448150634769701033377728273124043445816718348371661342989325307893117323510720647072250904385187303838871005674378949026225796920320378460732745391828708561039577834919391483663273759813439571014972354139998945089461408767971427322752097021440524912857118279845667087
 . . . . . . . . . . . . . . . . . . . . [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)
							570f26af01deebf794b264b4d08d90963898415a
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bousai.cous.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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