www.hkakizawa.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a2:7e:a6:2a:d9:86:0f:59:44:37:3f:f2:e0:e9:1b:6d:b1 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.hkakizawa.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a2:7e:a6:2a:d9:86:0f:59:44:37:3f:f2:e0:e9:1b:6d:b1
Serial Number (int): 316630946754315391368028450925814832917937
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 61:a5:aa:99:6b:39:94:de:ed:d4:67:4c:75:51:51:95:9e:3c:3d:6d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 48:74:68:da:05:60:f8:77:8a:39:da:56:bc:e8:ff:d5:06:f1:fb:94
Fingerprint (sha256): a5:89:0d:94:8f:31:5d:a8:12:fd:f5:e5:f4:f1:58:be:ae:ec:ed:07:0f:1a:8e:f1:4c:e1:cb:a3:3d:b3:c4:76

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.hkakizawa.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.hkakizawa.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.hkakizawa.jp

Other certificates including the domain name hkakizawa.jp

(limited to 100 certificates)
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
hkakizawa.jp
hkakizawa.jp
www.hkakizawa.jp
hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
hkakizawa.jp
hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp
www.hkakizawa.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFWTCCBEGgAwIBAgISA6J+pirZhg9ZRDc/8uDpG22xMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMzAxNzE0MjNaFw0y
MDA0MjkxNzE0MjNaMBsxGTAXBgNVBAMTEHd3dy5oa2FraXphd2EuanAwggEiMA0G
CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDduloSApCePIG1pARz8p+T/HGHltkS
zR8e8iwKTa2I0i6hYhJgiGTCKoElPMx62qE5YxU61uZ1DzbNJAJmi1+Bn2OZ7goO
pNRvz/posrwIel40O/c2GSiaAP0Sv+BZmPW1gXHp1toRseyHubK+gG4DHP2AInlW
9pCIhb1pWH035fVBKUAdWnOf7JTtQiih2XJa9zeTN/LON1xbfJ2Cngv/WC27RApA
j0PbF/RU7QoKccWyPmkmMzbIHKnPmORURuy5LC45AiJAKiPvXlhKFYMkLaxrvPfx
TWwP4Ex9EzWO7xcdAMkLxn/dFwoOIUKFu0CX2aL/hF5GHMggWDHHZfSjAgMBAAGj
ggJmMIICYjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG
AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFGGlqplrOZTe7dRnTHVRUZWe
PD1tMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEB
BGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0
Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0
Lm9yZy8wGwYDVR0RBBQwEoIQd3d3LmhrYWtpemF3YS5qcDBMBgNVHSAERTBDMAgG
BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz
LmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3ALIeBcyL
os2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABb/epRL4AAAQDAEgwRgIhAMN0
BySt/1AiC7sbnst6owK7npLySVqmu7azrtptQWGoAiEA42c9Q7EoKtaopK3nMGB3
Qq8TppMLBscXcFOKfdSMq/IAdgBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbII
mjfZEwAAAW/3qUXVAAAEAwBHMEUCIQDsujhzVC7ZF6nP0TLdVQj/6RzDKkNdQ9kA
OSffiI9TFwIgTjPLOBRjHlMllYI91z7BCysvkvWUa/f86lJ3XULS9iswDQYJKoZI
hvcNAQELBQADggEBAFNXaJj134FxT05g/X/dSm3/HqvnU5iWt16pOddE9jyoSF1p
o8gt/8zrECk5jJiSkSOZPzTMDZfyQku/85Kh8/QX2FUu9P1abFhtegtr72M1aNgI
SBf9/svyXZ11RblPMQjnKZYahgyBBSZdldS+Z5OaBqR/8b5jIXMYgqIQ65uqtalE
rvfSwUa5rgFXq/2LbUDjc8mHlfV6hko5XUjJHP0veAfE5RJSMEjOzlpP5B5uoi3R
XlyjpbCssWkHnao1BhSGLqYK9BTcWHGchevYwd6WDYOPVs6eSO2/KlTIEmZrIN3d
T62CKV4eOjeRoGXrfaoRsrxxmYBsPGaKdhzDgCg=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3bpaEgKQnjyBtaQEc/Kf
k/xxh5bZEs0fHvIsCk2tiNIuoWISYIhkwiqBJTzMetqhOWMVOtbmdQ82zSQCZotf
gZ9jme4KDqTUb8/6aLK8CHpeNDv3NhkomgD9Er/gWZj1tYFx6dbaEbHsh7myvoBu
Axz9gCJ5VvaQiIW9aVh9N+X1QSlAHVpzn+yU7UIoodlyWvc3kzfyzjdcW3ydgp4L
/1gtu0QKQI9D2xf0VO0KCnHFsj5pJjM2yBypz5jkVEbsuSwuOQIiQCoj715YShWD
JC2sa7z38U1sD+BMfRM1ju8XHQDJC8Z/3RcKDiFChbtAl9mi/4ReRhzIIFgxx2X0
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 316630946754315391368028450925814832917937
 . . . . . . . . [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 2020-01-30 17:14:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-29 17:14:23 +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.hkakizawa.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 27990558913395291288880567948420713177697247363665168631957737526640940777830445704456852566027261535655026900590042001051842020440265176989372289321253514465625740533874512878515999754434922916510501835837936809756368132130999703181394354422655594102834509100924472611513581602697127044690185991881376113838512324143872504628406440263959126683952484621928358421379783361173593673780877047597460753922628974673140629693754828425622997753377875048218000812731225519852495127568585505248033149990746528595626336873971029588789875738300044699150054125239340585284225333196953296567526459684730629356704971229685120103587
 . . . . . . . . . . . . . . . . . . . . [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)
							61a5aa996b3994deedd4674c755151959e3c3d6d
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hkakizawa.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ff7a944be0000040300483046022100c3740724adff50220bbb1b9ecb7aa302bb9e92f2495aa6bbb6b3aeda6d4161a8022100e3673d43b1282ad6a8a4ade730607742af13a6930b06c71770538a7dd48cabf20076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ff7a945d50000040300473045022100ecba3873542ed917a9cfd132dd5508ffe91cc32a435d43d9003927df888f531702204e33cb3814631e532595823dd73ec10b2b2f92f5946bf7fcea52775d42d2f62b
 . . . . [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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