dev.kentei.cc

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:58:8a:8b:2a:9e:c0:d3:dd:72:10:9a:32:49:a5:5b:b7:42 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): 03:58:8a:8b:2a:9e:c0:d3:dd:72:10:9a:32:49:a5:5b:b7:42
Serial Number (int): 291465862141443909737754433022954946934594
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 63:9d:ba:f0:7d:0f:92:b2:83:d9:b4:af:ae:ab:1b:fc:dd:40:7d:d0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 68:e2:f5:3a:1c:9d:ad:98:04:68:74:ed:62:97:88:42:d5:15:1f:09
Fingerprint (sha256): 1a:80:d4:2b:9f:1c:00:21:9b:c7:2e:ee:9f:c4:60:17:6d:f8:59:43:e2:0e:47:3c:39:e6:cc:e1:85:14:5c:2d

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqUxZgCaFrxsS6w4PXEpB
IQYfMZ9i641nZYGfqjPU9bGUN5Heqlhz4Bs7LMQNZukKWfMVt8+A3s+6TaFlW/oG
jp26nt7tbE4dZVobfBr4BDa0nZNm6M4kwYvyu6ZWWPtS47+9CK9yNMHYeQRuABRv
+ZYoqXPxYe3A9Mp4MPEksOSXTsB7TV1ZNH7gTGkk/CAzstjFpUORQNoKR6tBuW3i
44nSJtppMMKOMaAx+uTRnvzpzQvfPEndI6z7Q/JLWQs8ct6kwYySLw2LovtsU4Fw
kCfJFsMERgJb1M46VtAI4CAV9WReacJRysdId9hiN/cxsexDECnrRtBWx+4Z21mp
TQIDAQAB
-----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 291465862141443909737754433022954946934594
 . . . . . . . . [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 2019-02-12 06:00:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-13 06:00:12 +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 21371922935991160103195331692960688184160350337068689889137826336806943412144327891944947571719006271268207757666364041297206193740184302070461283913923504098827703510070705190041869312255948622243412280516063897519737884415973702995849018578491919514551794463103298971651455045202437781905460030668794018485499170316657057295011846134972682321875610188700274516375254480527965908064883005647916188119428150490941640063406689656654707587179921791045206465497130391034479714094553319260019754755979621349312280345957383483934748833664183827865434623660424995430514514826870020959858403706396946675908764184718261987661
 . . . . . . . . . . . . . . . . . . . . [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)
							639dbaf07d0f92b283d9b4afaeab1bfcdd407dd0
 . . . . . . . . . . . . . . . . [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)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000168e08189450000040300473045022100d129d71411e7bb8b7f1b38b777793c5d176be626ed7f99b33baa40b2b7afe4d502201a1d57e73cdd602f66ac89b30253345f984c1b59eb78dacfa33e58cdff6bb3ff00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000168e08189300000040300483046022100bb04e012e7a335d877389cea07ad18160221ed22230424e5db8765065cfcc64502210088946ab2c66c39e9c8eff133e3d617739020d93dad68f8df4925b21801efee92
 . . . . [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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