dev.kentei.cc

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e6:23:ad:11:80:58:10:01:72:40:84:bc:ef:7e:13:c2:3b 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=dev.kentei.cc

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e6:23:ad:11:80:58:10:01:72:40:84:bc:ef:7e:13:c2:3b
Serial Number (int): 339649223789275007211590796214795601429051
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 21:01:ee:b2:30:40:9e:b8:d1:80:a9:a9:4a:33:17:29:1b:e2:14:c3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 55:34:72:7e:74:1e:53:3f:7d:9b:7c:09:81:47:b6:70:27:49:52:9d
Fingerprint (sha256): d7:ab:07:74:35:53:21:4f:ee:37:7a:d5:53:96:80:66:2d:a4:2c:dd:f8:d8:67:41:9d:14:37:2b:c8:1f:b6:77

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 dev.kentei.cc

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dev.kentei.cc

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

dev.kentei.cc

Other certificates including the domain name kentei.cc

(limited to 100 certificates)
*.kentei.cc
dev.kentei.cc
plan.kentei.cc
plan.kentei.cc
*.kentei.cc
dev.kentei.cc
dev.kentei.cc
ssl.kentei.cc
*.kentei.cc
kentei.cc
plan.kentei.cc
dev.kentei.cc
kentei.cc
*.kentei.cc
dev.kentei.cc
dev.kentei.cc
ssl.kentei.cc
kentei.cc
kentei.cc
kentei.cc
plan.kentei.cc
plan.kentei.cc
dev.kentei.cc
plan.kentei.cc
dev.kentei.cc
*.kentei.cc
dev.kentei.cc
ssl.kentei.cc
dev.kentei.cc
plan.kentei.cc
dev.kentei.cc
dev.kentei.cc
dev.kentei.cc
dev.kentei.cc
kentei.cc
plan.kentei.cc
kentei.cc
biz.kentei.cc
*.kentei.cc
kentei.cc

Certificate

The complete raw certificate details for dev.kentei.cc in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwsPVwHZ03QN0hMElZerI
C+oRiOZJQNeJUp1lOtZ8PcjH7avQDq2IawVzIi/i59OC9LnsUDqv7Qr0uW08RYqx
0ANvNRjzexbqb9KTUS2rd1o9TdhUBn7kvhPJX+LazsM66XJvvqczMPJ1Z8Zvwcba
Tb9d47msRZQCb/BkxdLiggp8EYsjwJ02jU0OsQEr7r+EP3e2qzPHn/IaBD9SMCdC
EVI/w7JvRprJVgjyghIlYt50hguz6PZlmJCLpnXBkbVt41v6ckAeMmABop1eSmTJ
MgOuO0KR2qJzUKbbX5uJi+jGvH7f3jnCfhYEtsP9wCtql6J8JCoCk91Q5+z1Ms26
mwIDAQAB
-----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 339649223789275007211590796214795601429051
 . . . . . . . . [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 2020-02-25 06:00:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-25 06:00:20 +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 'dev.kentei.cc'
 . . . . . . . . [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 24586800985341767669302453207690432136279094916976586674821427667147907982455285028603790760718494557691446414928311006607092548732623045818686593751739681176398243309379720896801230836084888124100606687211567354554484120516045611891753875065745435157956905865054112614014491933443869237356724378508946920194410859316147432068321030527188046981174013831149974056387293268104725284437152196889388042050492400161807783808675211062964676787729229240568589048801885191859018615527706771880151354876561549575598276469172344900274818575963580295932649046694528656037877314141286869761791777242802351150797876807040334936731
 . . . . . . . . . . . . . . . . . . . . [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)
							2101eeb230409eb8d180a9a94a3317291be214c3
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.kentei.cc'
 . . . . . . . . . . . . . . . . [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)
							00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001707b2581970000040300473045022100855e5e8f6ae68d3633f754c7ef0dfc6c7d184c7eef93bfa293c3812baacda0e102204405dd3ba93216e503cb785bd5d83c0214529f6ad9520a988b6786563d4d2a9b0077005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001707b25839d0000040300483046022100f56a9f161ae90789a4ef54dd4ce08088737b372c9258d60ed8e41d2375fc95c5022100aa0f0da8faca4c43ee95fb7eda5ceb9d6ab8956b25b6f772b5b8efd5d62df942
 . . . . [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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