DV SSL/TLS Certificate for dream-navigator.jp

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the dream-navigator.jp DV SSL/TLS Certificate

This certificate with serial number 06:05:63:80:40:ef:20:ba:3e:79:dc:c2:13:4e:d4:7b:2f:5c for dream-navigator.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 dream-navigator.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): 06:05:63:80:40:ef:20:ba:3e:79:dc:c2:13:4e:d4:7b:2f:5c
Serial Number (int): 524507386927766645476581699304459461144412
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 56:20:37:45:8a:fb:2f:e8:f4:77:40:dc:a8:f9:24:18:1a:d1:00:64
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): 68:ae:6c:fd:43:7a:40:f2:6f:01:6a:83:fe:59:4a:bf:b6:e6:b0:8e
Fingerprint (SHA-256): e6:c7:0d:ea:cf:e3:03:ee:75:c0:1e:57:88:2f:3b:f1:e2:55:ca:a4:3a:2b:72:e5:2d:a2:0c:24:7d:90:af:55

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/93.crl

Check the revocation status for certificate dream-navigator.jp
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for dream-navigator.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

dream-navigator.jp

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6HkrkNThpOq+Q82vtUpl
evzDGBzm3rXTZxRcDHMz9elo683e+d3/3nETTHpbEqLZUI7BF08F507ZHIbXxg3H
QPMZ74sCgf87uTZHZQLO0nyeO2riSzohnV+tcUt7y9JDGimxtJ/gb8q48zTCdp0l
QwEBaDFK9WKPdKbwq1rpHs5nNEOLN6efrNGBSuW1D3mI4e4+wTqIT/ndgJ9vjIC3
Ev+cBt1B0UwsCAetujr0dR59BdaGQMBJvbpmLy6eoFM+dCjv9+wDQ+olJ0AaeROU
qKtae2KTeWkWj6IS1sJnTGR0/v9DnQ5w4BJOMOtnPHAYXfCiPhbepP+Cx5Gfz4zM
awIDAQAB
-----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 524507386927766645476581699304459461144412
 . . . . . . . . [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 2025-06-30 17:13:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-28 17:13:50 +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 'dream-navigator.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 29347037994204003199762636003348199593400056612228342398543608127929164860567896550377501374467523701733817761045726869961565174445279463155005241940459421029535783197627442321840749335379465710224064255020841437232740766628155245011997918338447318740053610137112721895377662166425561724715326038322670788207125009456900976337519094566046461410777088982588793332292277304361878048207517261552201381251067335633745628609504147992500907835353663108342344024912686958752216590634364590833091706251652481156511897967693255868486653476332558081600785594369815927843557588769369512075793570679428787123659462448098250116203
 . . . . . . . . . . . . . . . . . . . . [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)
							562037458afb2fe8f47740dca8f924181ad10064
 . . . . . . . . . . . . . . . . [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 (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dream-navigator.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 (39 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/93.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197c20a4360000004030047304502200b5b0824d710398e41729e9456d068de9bff6ef1fb6bccb23a75bb9d5267371b022100f7120d53d9ba09f080a23185bbbd895dedaad94a97a2e777b5ce235e14785ad100770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197c20a43570000040300483046022100b66a1960411d9d316657aa413996bcfe239057db827692311361c6a727997b42022100c2d771a861e508996b5a03807830adb7cfc15a691879b0efa305492f5a4374f4
 . . . . [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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