development.akiramiyagawa.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b6:12:d7:13:a0:85:2c:f3:72:81:cf:28:a0:3b:10:dd:b5 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=development.akiramiyagawa.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b6:12:d7:13:a0:85:2c:f3:72:81:cf:28:a0:3b:10:dd:b5
Serial Number (int): 323293291420723758084211951553110917307829
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: be:30:8f:f2:f5:0a:58:5a:80:e2:e9:87:1f:d0:39:ee:7b:f4:89:f7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4d:db:56:0e:84:ea:c5:75:19:52:1e:3c:b1:20:d0:b3:f4:3b:38:6b
Fingerprint (sha256): 3b:c6:03:eb:44:20:66:fd:55:3f:9f:2f:6b:f5:3c:07:81:8c:b8:da:a5:98:cd:58:81:aa:25:b0:3e:dd:d7:cb

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 development.akiramiyagawa.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for development.akiramiyagawa.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

development.akiramiyagawa.com

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Certificate

The complete raw certificate details for development.akiramiyagawa.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqQgySads2nYvHNoYGZ04
M4eM2fh3jLeB/OXwXIv+8v8OC1QcMShE890mgOVY3Fbi2Fz/LG5HhPGyguelHC6i
buF29q/1ZPShEHka0O34prmiPpJcnw6sklvPe4wkGun1vB4WfwTift2d0o8f/TIK
rCyeswCQ60C97hyBSabQC/G2ASVLlgFJzClFLBxNhzDZx7sqFrTnOifOPWa3yAmx
KaUrnchLM/FRUbDq1SGuyp3ax+7cbosS3vfmvri6yMu52P9SYIIM9Qn/oepCnaCV
OZtOtKsRs7npLX8ztiwb0m5CiMG1kMF1wzfxfT22H72elpmnCUnIdCE514KxWDrg
TwIDAQAB
-----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 323293291420723758084211951553110917307829
 . . . . . . . . [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 2018-11-18 21:11:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-16 21:11:31 +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 'development.akiramiyagawa.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 21338315352678857556645855737625857241788205635142388745904355123922465791623548188250630186265110053856885982584251112031801654231397918076423713972182688064859599401314177988474029947568456761670634026018556219570019020916700524663651402785065071712301808863269457267971780444218850661295251355620598602880580869208722862794764410635594832513706268819166082949908256362741139314262834270182015686583303778088297580818858642399190146282088632104131389224462720953025684385316265015967419294954632807509585334099039589061492935712473368953127336211581876209549890028751789367272009656065578092227195405857025645273167
 . . . . . . . . . . . . . . . . . . . . [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)
							be308ff2f50a585a80e2e9871fd039ee7bf489f7
 . . . . . . . . . . . . . . . . [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 (33 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'development.akiramiyagawa.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016728e0f9990000040300473045022100f2975acedf4b120c93da282c97b72a09257d20ec01dc727d415aed352d8c4f85022013bfad731f2dd178c641dd7345e8faeb33e32845f8d03348be8f00b5c3dbccbb007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016728e0f99b0000040300483046022100df31ec4646f6b875bb806b07562785115ae3ae93bc522c664e57a2b451be8531022100fcd0df2e73a373c060fde3a32c835e05b3e89bfb9ca24e2dcb5d7c118c2c06c7
 . . . . [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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