DV SSL/TLS Certificate for hayashita.jp

Certificate is witin its validity period

Issued by Amazon (Amazon RSA 2048 M02)

About the hayashita.jp DV SSL/TLS Certificate

This certificate with serial number 07:c6:5a:d0:05:25:e5:cd:90:af:e1:04:53:bd:4a:c5 for hayashita.jp was issued on by Amazon.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. 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 hayashita.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): 07:c6:5a:d0:05:25:e5:cd:90:af:e1:04:53:bd:4a:c5
Serial Number (int): 10334512646399679116461440358292474565
Serial Number Length: 123 bits, 16 octets

Subject Key Identifier: c3:91:f8:8c:05:36:38:4e:f2:78:62:49:d0:92:71:87:81:d3:6d:36
Authority Key Identifier: c0:31:52:cd:5a:50:c3:82:7c:74:71:ce:cb:e9:9c:f9:7a:eb:82:e2

Fingerprint (SHA-1): ed:e9:51:f8:16:a5:9a:e3:5a:49:24:b2:54:d1:13:a5:2c:ba:f3:d1
Fingerprint (SHA-256): bb:09:4a:a6:6c:3e:bd:7c:b8:a1:05:73:f9:58:46:bf:a4:bc:a6:25:0a:3b:e8:f1:4c:78:6c:d6:21:a9:32:a6

Issuing Certificate URL: http://crt.r2m02.amazontrust.com/r2m02.cer

Revocation Information

OCSP Server: http://ocsp.r2m02.amazontrust.com
CRL Distribution Point: http://crl.r2m02.amazontrust.com/r2m02.crl

Check the revocation status for certificate hayashita.jp
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for hayashita.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

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt4k+T33e0/bCknXyB+YE
Ru2ykwysD6fnMOOOxpeBc8jBPcrWZvkNHRtJsgacj/l/9BH6wBRwAX4dDATyXgk3
ms8yj8dE5vWF6pM8fv5n5drk5DZjTxorlmitzWCa3On/8SnXNGPCR56FblZgNXaJ
kuwhakKuE7USnPcDxaMdSXDDarPvDR09gKadXIQt1b3nACtkIvN9pAZi2poIPM27
XPQbM6ftfuchhnY4gKxEP4hLP/+tasw9eHt5dt4R6alJxFK7RMn9lR9gv86MeUJX
apZleAYtsimLfZ2mnYDeKiAwMKj9mDQqOtVKBfcNrZoGSW62v6sW37+z9lvEckvT
uwIDAQAB
-----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 10334512646399679116461440358292474565
 . . . . . . . . [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 M02'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-10-03 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-11-01 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 'hayashita.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 23169287051914437861144919586485504446414267167898774756112023746656490049514166756165568935588540380018151092036397952108423711777656825591660095733560031886216565334020888095644970144960180076005542350720054752689217576688862653870726044187849396729980114997471052863994792412278863469722894359247328183142622550660642580582243594124772236799728485711696195758704547430845197183792518674820540409426115775877117317306046008248057502822133919812517119596555881562842259108195738770777726033927679541559983346330854606643143628215075702038982325981393963889270383642500653642417575367561739667881151867644180978979771
 . . . . . . . . . . . . . . . . . . . . [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 c03152cd5a50c3827c7471cecbe99cf97aeb82e2
 . . . . . . . . . . . . . . . . [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)
							c391f88c0536384ef2786249d092718781d36d36
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hayashita.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hayashita.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.r2m02.amazontrust.com/r2m02.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.r2m02.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.r2m02.amazontrust.com/r2m02.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 (368 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (364 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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