DV SSL/TLS Certificate for www.esdrive.co.jp

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the www.esdrive.co.jp DV SSL/TLS Certificate

This certificate with serial number 06:93:12:dd:89:4c:ae:13:7c:d1:b5:7e:0d:fd:b6:9b:d5:f9 for www.esdrive.co.jp was issued on by Let's Encrypt.

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 www.esdrive.co.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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:93:12:dd:89:4c:ae:13:7c:d1:b5:7e:0d:fd:b6:9b:d5:f9
Serial Number (int): 572720299914234628693581953825227476293113
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: ac:1d:91:d7:2e:2c:e7:5a:a8:97:75:c3:07:c7:7b:fc:ae:b5:98:02
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): de:d9:3c:a8:3b:65:8a:07:c5:b2:2d:d4:e4:3a:db:4b:29:99:5b:da
Fingerprint (SHA-256): 22:ee:b0:45:04:50:8c:96:ec:e6:0e:6e:94:70:98:b3:92:d8:ba:88:45:65:43:46:f9:6f:43:63:ce:3b:d6:66

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

OCSP Server: http://r11.o.lencr.org
CRL Distribution Point: http://r11.c.lencr.org/122.crl

Check the revocation status for certificate www.esdrive.co.jp
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.esdrive.co.jp

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

www.esdrive.co.jp

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq2JNMsGW8e0IgUEv63pL
uk8Yr5mbuNnfpA62COVcnEqKlctai1CP9AgLSRowGuwmbymk83G42FharoVYuFFl
kYjYcJId/+RUnI6ohkWKxxyAk868E8/UDr3nK0kEUd6Hi4nWqraK10jiPR0qkYvw
tTTrKZUIjI44OgjLG0bhlqyH+fE40I8HSE/PQjPNYxYvNmZLRfIzcuVTpDCBKi6E
8O8EN7xCIJ0ey05oO/QoeD6woimzIKCjhcUeJSh6uy1mjeDDaCXYLGBRZEbhgU0/
RejlJTe0g022uVML+5dxqFCQ5P7DFAN0W16tV0HwcFj32wzcxdjO7WtJ1bYBI+eL
FQIDAQAB
-----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 572720299914234628693581953825227476293113
 . . . . . . . . [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 '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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-04-30 19:03:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-29 19:03:33 +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 'www.esdrive.co.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 21635224452987690069221040807629458921976943548804970279576730885843672139731179181499275126006545424348944298015565114384244841545551978740532760898673942988342174934120768373067093043835253459810452552350283216242925314110975932445935535774349869276559371357728829733981662323963278266638970888281895901697083822537976703710494119040047390695495200360596911461033024202606499221009158473325282761966720142666144306826346120461223964975643926500539187227903727464605139714656943049916069946388418533620605485180676598048099885703867846250888688506182976307006987016798577244038183877493217180676473985710026308160277
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							ac1d91d72e2ce75aa89775c307c77bfcaeb59802
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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 (75 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://r11.o.lencr.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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.esdrive.co.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 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 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://r11.c.lencr.org/122.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000196884ac904000004030046304402207b2a77d6efa1175b8654e92be702f9adc85f940a46c124c471cafce369bcef7a022065c5b7bf8ab84df88bf5cf193b9da7f9fd362f62bb732dfb895841a146e74a30007600af181a28d68ca3e0a98a4c9c67ab09f8bbbc22baaebcb138a3a19dd3f9b6030d00000196884acabb0000040300473045022100b76dced048cdb6dda42c502a51b93e768b2c533df6e574025e8cf785ca4fb24502204efec5e088fdb669169f6899fbe8fd37e19bfeaa538bd21a39f732329f4ff2fb
 . . . . [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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