develop.kasan.tokyo

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:01:76:3d:0a:cc:c1:69:48:fc:da:8f:1b:94:34:4c:1f:d1 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=develop.kasan.tokyo

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:01:76:3d:0a:cc:c1:69:48:fc:da:8f:1b:94:34:4c:1f:d1
Serial Number (int): 261834306014859168179030986061236170137553
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3e:3b:d5:23:d1:c3:29:38:39:35:0e:07:18:30:f0:af:72:10:a3:ee
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b8:f4:8e:c1:02:dd:81:92:03:76:1f:bd:1d:fb:98:bd:7c:54:30:90
Fingerprint (sha256): 7b:76:04:fd:06:16:94:7f:7a:bb:d3:c6:99:a8:47:8a:15:ce:6c:a1:55:46:84:87:d6:f9:7a:61:5c:62:6f:0f

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 develop.kasan.tokyo

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for develop.kasan.tokyo

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

develop.kasan.tokyo

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Certificate

The complete raw certificate details for develop.kasan.tokyo in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtTTtezCOvpZKBmQnmbpw
NwdG4PloR1TrbRL7ziqAkzz+t9pxauBzfYptX/YYZXeOCLRiWTmEBYBIZxLbm/H0
lSSreNagZJW3uVkT1Gbu2pmv9CWcwuEpl4u2WoRpyFY6TcrXYGtiXM7rzm1DlJJm
+pGk954Ce5IcVbtiPBLy2hgXwMQdHpehSj9vlRYPdyyHoSNlyYmkqnvbmNZ9s7HC
LLrqVCxDKFACXLfWcFw5ClbWWbtLUnctPz/sSj6GRMU0g+rTAvYmPMuibstVoLcF
YWwQlLjAmpyuvuEg7A2ZrGm0tS3R9R0uorgOB76QvBwOlPxp9TdZhAio6pfJ6DWF
dQIDAQAB
-----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 261834306014859168179030986061236170137553
 . . . . . . . . [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 2019-10-08 02:22:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-06 02:22:32 +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 'develop.kasan.tokyo'
 . . . . . . . . [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 22875232801229039196579407523608382679074343126865632494477924209157387411915417820418551255440054418207855164540759449236310345871496066391207349006618578921635628520997698183441720667765465403843852137542363217773623675072262702310413630791666009998885649035038923597109324369066267954680689070995461669976773284285564991936131936270769719716323397686655888393592155368779522105554813633789399028737812003954545556653094481166709871465580557625635982671765983667466686703718768396141063494573981902749403448995296427600731790480031801403900381048604216842621956281064848621696621435222977478846382662463155531515253
 . . . . . . . . . . . . . . . . . . . . [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)
							3e3bd523d1c3293839350e071830f0af7210a3ee
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'develop.kasan.tokyo'
 . . . . . . . . . . . . . . . . [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)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016da963ca97000004030047304502200cf1977b7d0924770f1132b2df7e15056b0edbe1f1459edaf02bd568e372ce48022100da6bd463cd620195fd39a6b3317265d4d1d8df93ba378df02cc82974fc850959007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016da963ca170000040300483046022100e9ab84d651da9e0c16a16b66d6101a4e99877b9cb3e70623d5f92da67b05b91c022100f5d05b4962694522d0ad442c305edb1f163826f6015593c44f8ecb92d84e77ef
 . . . . [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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