DV SSL/TLS Certificate for www.tokyovilla.net

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the www.tokyovilla.net DV SSL/TLS Certificate

This certificate with serial number 06:04:df:38:96:c9:2c:69:f0:f7:68:d6:8f:67:c9:26:a9:e8 for www.tokyovilla.net 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.tokyovilla.net 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): 06:04:df:38:96:c9:2c:69:f0:f7:68:d6:8f:67:c9:26:a9:e8
Serial Number (int): 524331556728229394552294392352659250522600
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: b2:a5:d6:6e:dc:1a:84:8a:a8:91:5f:80:39:26:b8:6c:ef:f8:e8:98
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): 1e:f2:5c:7b:95:44:df:88:3d:8b:c5:d6:49:a0:aa:52:17:eb:1e:0d
Fingerprint (SHA-256): e6:bd:0a:36:5b:10:6a:e0:a4:83:59:95:3f:7e:3b:02:b7:c3:a2:b3:28:5d:87:89:6c:ce:60:8e:06:10:7e:a0

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/105.crl

Check the revocation status for certificate www.tokyovilla.net
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.tokyovilla.net

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

www.tokyovilla.net

X.509 Certificate

The complete raw X.509 certificate details for www.tokyovilla.net in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFADCCA+igAwIBAgISBgTfOJbJLGnw92jWj2fJJqnoMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTEwHhcNMjUwNzAxMDc1NTU5WhcNMjUwOTI5MDc1NTU4WjAdMRswGQYDVQQD
ExJ3d3cudG9reW92aWxsYS5uZXQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK
AoIBAQC8cfZk7WaiXkcExj+lW/Ka5P3P6sng9Q2JkhQlgvCzPaYCbh9tLs50ipTc
1eOP97os9mfN5dCeuA18n8LQwdV/NvcAol5lKFoRkqdPxVgsTj9hJBkVBHc6QuYJ
ygadjn8Qboz+RMcMu8+j85hw6Pz7AM170Pk1CTruLPpeRoo2thBc71Wyj59NcNOm
nrqD0dR9FUJQdbj+ymU3IonzZTrMl/ENgboj3gYyARAAkkqSgDjE8+Orz/+BF9tE
AtgOm3hKohDNwPitJGo5P96W0+JzWvwWvKuS/9EplbRN3q28Q6aeQMkJjSg+gT/0
FYyfKSUtrG3NrCoiCMvOSFdurpLjAgMBAAGjggIiMIICHjAOBgNVHQ8BAf8EBAMC
BaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAw
HQYDVR0OBBYEFLKl1m7cGoSKqJFfgDkmuGzv+OiYMB8GA1UdIwQYMBaAFMXPRqTq
9MPAemyVxC2wXpIvJuO5MDMGCCsGAQUFBwEBBCcwJTAjBggrBgEFBQcwAoYXaHR0
cDovL3IxMS5pLmxlbmNyLm9yZy8wHQYDVR0RBBYwFIISd3d3LnRva3lvdmlsbGEu
bmV0MBMGA1UdIAQMMAowCAYGZ4EMAQIBMC8GA1UdHwQoMCYwJKAioCCGHmh0dHA6
Ly9yMTEuYy5sZW5jci5vcmcvMTA1LmNybDCCAQMGCisGAQQB1nkCBAIEgfQEgfEA
7wB2AO08S9boBsKkogBX28sk4jgB31Ev7cSGxXAPIN23Pj/gAAABl8Ux4AAAAAQD
AEcwRQIgaDJDGR1um///KU7qZdLWFvx7DUD6WLfmjiTidDixPDwCIQDx1wgn1ccR
o8KlWaWRHxfphJfY5mCmqIEzJlkLbpC+NQB1AA3h8jAr0w3BQGISCepVLvxHdHyx
1+kw7w5CHrR+Tqo0AAABl8Ux5uMAAAQDAEYwRAIgeIELFro3JTqVH2SbCR+4Gxy1
UGqOsBqPypuEhKpBpBUCIDdA7vSitYDo6M6ryZkxaEMJTr9vfWB0m2RSC8Tq2Cv9
MA0GCSqGSIb3DQEBCwUAA4IBAQCtScjmKpMNoqR98+3bYlF2wmnahgwNJU2LAzC2
rXbmMep+p3U6nJ7T5sHUX8JSEAWXPlcXtU3oddy7SxMMoYw3ez8FmqqjmOVf2AUL
RB67hhJ1bZ7cj9Gg749zowWVHlykyqh1EuEHuIn04T6nN0GiLswIMhVE7PiSn6b5
U5C3VCbtl1Hdcdfd5Feitv0D3uoKnKRT8SFHuxiAdfqh54g90r9/RU5AyWaWNE18
OZ7htHXNQxXHM8U/FpnXdFjcu5XB4Ae2E5gAW714rjgTE6Hay5uGxyt3sOg5QnF4
woh1W56+4E4Fc5afMXpCEr+19tUQR/LCvl5JYj2WdARnzyEn
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvHH2ZO1mol5HBMY/pVvy
muT9z+rJ4PUNiZIUJYLwsz2mAm4fbS7OdIqU3NXjj/e6LPZnzeXQnrgNfJ/C0MHV
fzb3AKJeZShaEZKnT8VYLE4/YSQZFQR3OkLmCcoGnY5/EG6M/kTHDLvPo/OYcOj8
+wDNe9D5NQk67iz6XkaKNrYQXO9Vso+fTXDTpp66g9HUfRVCUHW4/splNyKJ82U6
zJfxDYG6I94GMgEQAJJKkoA4xPPjq8//gRfbRALYDpt4SqIQzcD4rSRqOT/eltPi
c1r8Fryrkv/RKZW0Td6tvEOmnkDJCY0oPoE/9BWMnyklLaxtzawqIgjLzkhXbq6S
4wIDAQAB
-----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 524331556728229394552294392352659250522600
 . . . . . . . . [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 2025-07-01 07:55:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-29 07:55:58 +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.tokyovilla.net'
 . . . . . . . . [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 23788998325779202883050158943639487647023876677722366816853019332641163101821496390210240180219704198474043975938457391838179856974172348591930037424089944446255033041464609496791356936407289691645365810868724750623879578196828384189745304831570989175737871902482650596178031238619751897331801894565385126392395409232545640315038879366251383668524082751619537248846451776391575776406193676105446106242404349326381443649216283864726001964765476845213248030214263807859194868593804553093084473896481692548515730018506297749193403460923299008620436848617772375864236717822693743072301271843489376727821478195345178399459
 . . . . . . . . . . . . . . . . . . . . [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)
							b2a5d66edc1a848aa8915f803926b86ceff8e898
 . . . . . . . . . . . . . . . . [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 'www.tokyovilla.net'
 . . . . . . . . . . . . . . . . [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/105.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)
							00ef007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197c531e00000000403004730450220683243191d6e9bffff294eea65d2d616fc7b0d40fa58b7e68e24e27438b13c3c022100f1d70827d5c711a3c2a559a5911f17e98497d8e660a6a8813326590b6e90be350075000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197c531e6e30000040300463044022078810b16ba37253a951f649b091fb81b1cb5506a8eb01a8fca9b8484aa41a41502203740eef4a2b580e8e8ceabc999316843094ebf6f7d60749b64520bc4ead82bfd
 . . . . [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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