dev.kentei.cc

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:22:11:35:0d:fb:fb:4d:3d:34:8d:c7:b4:57:8f:59:23:e7 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): 03:22:11:35:0d:fb:fb:4d:3d:34:8d:c7:b4:57:8f:59:23:e7
Serial Number (int): 272929330621889861365669246662047618900967
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 12:33:bc:ae:bc:2b:bf:08:9a:b4:c7:d1:34:56:67:b3:b6:fb:1d:ff
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e8:19:31:07:34:1b:3e:77:82:30:91:4b:c7:92:17:01:b8:08:1d:e2
Fingerprint (sha256): 4b:6e:50:b2:e0:d2:42:83:f4:e5:fb:4a:bf:3f:48:39:6d:a6:b4:9b:14:f7:e8:bb:65:00:3e:8d:65:9c:b5:80

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2hZ8jtfk0Kb+GP/Mpkp6
yeZOFdUK+eDvd5l/4/Jram9kHqtJQ53SSArBN6sqe8JWwUTVSW3rWPtczJmEsObZ
iyf6bvZBkoAlJJkOUqvuXPDUqz5xdT/ZUKuuTGMTiiy5tO3ngSG/imRTeYqqyaA5
pvEDx5+uQ/pBU1Kv2FWo3W6e9VQrpnncOwUavtbvzCVQIE2sTmjSoQO4zEmA3fAg
bxgUFSPsoobrz1OQA/Jen1dR/6vhRivleltclBwidZbmPJ2HykBJzHOZrmBDKT+l
ycSY4y19h80xMhCMIv7pABWshwWtrG8kmN3JVT9vo5b2epYRdkkk2FPXYY6M02GZ
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 272929330621889861365669246662047618900967
 . . . . . . . . [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 2019-12-24 06:00:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-23 06:00:22 +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 27531039015957385202898624225087598857258288316666771842250390509436875705465197678939839837787417177879742819799244713610618387236277482471161129412267375621623219914688945548195059164928922943430900998181266961011466698824753635689970095492232452578703216344981781491989229248297985692349653585299118584170889541841384276710317639677076327534789143374294251744297785844072540713638041079396632697177974824627023753277655857446535509581340818871837278315613029296454054548200722753570335922827316742866379764670015005178104972286274045075319713883828818162286029186717156994383662468754506030218803821435461665135011
 . . . . . . . . . . . . . . . . . . . . [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)
							1233bcaebc2bbf089ab4c7d1345667b3b6fb1dff
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f36b4e6bf0000040300473045022100ce4b5a3a8263cc82a737c7f3956b544cb78e169e10a080904442ddc8983c3eb402204ac44baa9b44af2de66c88f1f4b467927231d6c367aebaf65a818b8edba91c0c00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f36b4e6d80000040300463044022065de6d89b4bc6675ae40efc7acf44fba24920c19758e72d9b083321a1e15581802200941779fa593eb9eaf03cb097154fadd74f18eea7696d1c03b903ebcb9b9de70
 . . . . [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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