takeshi-zaitaku.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a9:20:47:a1:7c:a1:a5:c4:fb:df:39:c2:17:fa:31:a7:5d 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=takeshi-zaitaku.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a9:20:47:a1:7c:a1:a5:c4:fb:df:39:c2:17:fa:31:a7:5d
Serial Number (int): 318887485029203679375135792247624510318429
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 97:59:dd:38:25:7e:de:78:94:03:93:b2:79:95:39:b1:70:df:7e:13
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8a:31:88:d9:1e:02:4b:ec:06:6a:0d:f2:68:ce:8b:d6:dc:7b:df:1f
Fingerprint (sha256): 36:b5:18:4a:2d:3c:7d:fa:08:88:74:da:ca:b1:1c:84:2d:06:33:7b:13:ca:70:d2:16:9c:15:47:e5:43:c1:f5

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 takeshi-zaitaku.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for takeshi-zaitaku.com

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

takeshi-zaitaku.com
www.takeshi-zaitaku.com

Other certificates including the domain name takeshi-zaitaku.com

(limited to 100 certificates)
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com.ocean.or.jp
takeshi-zaitaku.com
takeshi-zaitaku.com
takeshi-zaitaku.com

Certificate

The complete raw certificate details for takeshi-zaitaku.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoHAG3zC/X/R/j6KAxuvP
/sRwOqdQ7HYvJj6Sez5GNjE97hcLQd7e+gpksfUE/3PAwxlMfatnysB4KisE5D7y
nkSy2uPYGULGY8h6fUaecOp9U5sS8FutEqP2Xk5xJCysT7koMA3rE666Nyh9vyFX
jV5RW0O1ZXf7bA1s/+w1Oyc/WtruBb9kVxAgTWZJDV3R6UGiCXh8jtbi0TkIVXJu
Wq8RJPMx4FTSk7A7YYKpBZPDFmGmXxhb91m3+udwWnLZB2eBZn8Qt5ngH/oYZLrh
0pKEDxvg/0yei/d3u9siA9y9ukRrWHIzcgGmXsQomi1OQNSus3psi97AMXhMgQ22
8QIDAQAB
-----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 318887485029203679375135792247624510318429
 . . . . . . . . [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 2019-08-24 01:52:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-22 01:52:03 +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 'takeshi-zaitaku.com'
 . . . . . . . . [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 20253371289825647421887572701068574008398906761065106278601879254563307799537325555803546385911421266336229321566474100734887687975667301692089931916185061825046044297831515687086861832286072997471282612996208217848220043116240096127720182600255203207462404603125764019776293190153008597480162594726395131177398716988910428339224819690452683870816878080570784357571947618688197056293945864321654663956507915035949973799727151622417439048933427775526247495785101432996490597068691064029584370983189683622628739662866218357691576334158982318811583713665472745231969993559429876869310925473368953546470212825277174494961
 . . . . . . . . . . . . . . . . . . . . [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)
							9759dd38257ede78940393b2799539b170df7e13
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'takeshi-zaitaku.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.takeshi-zaitaku.com'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cc189b4c4000004030046304402202a01f5af31cf4f97d4a84da8681d6c62edbba5b3715ac2ed4cb44211ee183f130220644f3b65d60ccfc3356546656826c126628ccaf03272e94890f124354b2fbf94007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cc189b4e6000004030046304402202115c1a4caca2883b94ee80d5d855f40281b9852a3bac9c4b53c619ce2461b45022059274c8b66fcbc9092461a4d3949c0c80746b481198c1cf97a22c4375c0ea02a
 . . . . [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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