DV SSL/TLS Certificate for kujirabo.jp

Certificate is witin its validity period

Issued by Amazon (Amazon RSA 2048 M03)

About the kujirabo.jp DV SSL/TLS Certificate

This certificate with serial number 0c:d4:d9:eb:23:74:b5:ab:21:fd:1c:78:32:58:c5:cc for kujirabo.jp was issued on by Amazon.

This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for kujirabo.jp provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Amazon

Organization: Amazon
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 0c:d4:d9:eb:23:74:b5:ab:21:fd:1c:78:32:58:c5:cc
Serial Number (int): 17055922795903625840693636456192198092
Serial Number Length: 124 bits, 16 octets

Subject Key Identifier: 8e:e9:81:05:79:32:e8:fb:9e:21:87:d6:48:20:86:e6:7c:1d:4d:ca
Authority Key Identifier: 55:d9:18:5f:d2:1c:cc:01:e1:58:b4:be:ab:d9:55:42:01:d7:2e:02

Fingerprint (SHA-1): b5:f7:8b:9c:59:a3:44:2f:04:4c:02:09:c0:ab:36:51:f7:0c:18:6d
Fingerprint (SHA-256): 67:e5:6c:b0:8b:fa:39:ed:e6:92:a0:93:6b:60:f4:8b:8c:ff:c4:3d:6c:aa:b9:01:32:8e:e6:15:80:50:52:2e

Issuing Certificate URL: http://crt.r2m03.amazontrust.com/r2m03.cer

Revocation Information

OCSP Server: http://ocsp.r2m03.amazontrust.com
CRL Distribution Point: http://crl.r2m03.amazontrust.com/r2m03.crl

Check the revocation status for certificate kujirabo.jp
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for kujirabo.jp

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

kujirabo.jp

X.509 Certificate

The complete raw X.509 certificate details for kujirabo.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs6VavOY9apUvSUoPffdn
W9ulEDA/KEcwMyZ18yWNLxf+Jr5QDqitDEyB8U44e1SYhBMhV/rj03OJk4xUhIYq
5kUpgsQyPLTVa+xHmaNqgdvHx6HZCECLAEBThorX8MZXh3nUwP6b078mAOTJTJxc
BTp9H2KXk1ym/pf6O8+LtkphjtA7S2B0E5GXjoqeXGijc2nQ+MzYs9DmIkEFL+zI
faxFbJ6U66OEghTEn6/rTn1TMElxsr+toZZf+Q1Avtv9yw/PDc60ZBuvvHPV4LWV
hRZMIOeyL9zZvVLrPMz6JW4FYi2N9MsjUoLUlg0mjF0KFZSoMq4r1OPDw7TWpaOm
cQIDAQAB
-----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 17055922795903625840693636456192198092
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Amazon'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Amazon RSA 2048 M03'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-10-06 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-11-04 23:59:59 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'kujirabo.jp'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 22678195904704623921996372444800105368559747338106629639814399129552006978075572021345682326865628491077213744004216846424147563473040765841461647164261989544356156259947472164380471703548195066435644243667814854864774836937222450116982663472871607012198648125261270252781488885749781353590029341253061151780738169981829370116524881532994905550040195882557461613198266141101882293846098462576278608358709324126355006772729879568671883953070508956391109876529625910619227299046791162495224805303065501468089110730852475993132127868590673415152753026173046860720829726610588621228905551464532455549080313037311111833201
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 55d9185fd21ccc01e158b4beabd9554201d72e02
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							8ee981057932e8fb9e2187d6482086e67c1d4dca
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kujirabo.jp'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.r2m03.amazontrust.com/r2m03.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.r2m03.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.r2m03.amazontrust.com/r2m03.cer'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (366 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (362 bytes)
							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
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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