www.tkyo.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:34:eb:6d:fc:c6:81:2b:d3:cb:20:00:ea:52:a3:27:a4:db was issued on by Let's Encrypt.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.tkyo.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:34:eb:6d:fc:c6:81:2b:d3:cb:20:00:ea:52:a3:27:a4:dbSerial Number (int): 279344480541430948414599888231572772988123
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 72:71:67:5a:29:9d:6f:5c:30:d4:f1:21:7f:75:41:db:4f:dd:df:74
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ff:2c:5a:52:ba:36:3f:94:4e:66:7a:aa:95:5b:0e:6a:b9:a9:1d:52
Fingerprint (sha256): 79:64:dd:5b:b4:f5:fd:f9:5c:14:d2:62:47:44:76:33:f5:cd:ee:66:b0:13:aa:41:17:92:4f:3b:9e:f6:26:53
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.tkyo.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.tkyo.com
Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
www.tkyo.com
Other certificates including the domain name tkyo.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.tkyo.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTjCCBTagAwIBAgISAzTrbfzGgSvTyyAA6lKjJ6TbMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMjIyMDMzMTBaFw0y MDA0MjEyMDMzMTBaMBcxFTATBgNVBAMTDHd3dy50a3lvLmNvbTCCAiIwDQYJKoZI hvcNAQEBBQADggIPADCCAgoCggIBAJF4OSPWOVvVaWnwaBQFfb+4Waj2EahuOdBQ fnmjJt9bCn84RaaGrW2HyZtaYH8M1gukijSdZASr93+W4AouLaemVGRF6AW02uQs p1o2vK2fYAG6aVPO7FBkokF/8x2wUdxKJEth4PymDh5v8jFHl15T0ZTmVqe4gVF/ COm9Tnfk/DlxdelqBwPqW7TGBLpN7WMtj+yLTJ/ShiVcr7C7x7DmMFRtvvtJoi0L 6ZrrXO5C00ZU3bcXRjnvw7joGl9dlOSkEKbD4TUEYd+7kRVeNFLHbV4Ke75R8msh N8S8+5csqx1FWWro5Fw7zKd8hhKJqaRz/DvXzKKatxcxZ/KnMLpJ8J3FZm6Ts/jE MS9qZ3pYObciNO0Vu8BGZtvCyv1h0zdaIzuS8YItNHAp49OdWBypkGwb8yIT9I+m +QZSxV/kaRIjcWH+aOYxjxgbqV7NiMJ54O+JXHpGg9zJ2fTa6h4o1lgqRat2ETMF MyohdbY6SB94B+mkC0u6swVaGQNBTA0bLpp2W3EtYLvAjhfyifcnTDbBGpwAJdib 9u4koJYfwT5KRzHJq3YrYdVA/zaPr+YKdXmDn8iLFzePB3dVcdbeL73qt0SizS27 pGFbKBUCUrvvC2DKwe2w+qtbBi78cxbM5TkP2CULvxmOFQnM6rjBqr+QWuPMa/7M Qp0vIBXHAgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFHJxZ1op nW9cMNTxIX91QdtP3d90MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wFwYDVR0RBBAwDoIMd3d3LnRreW8uY29tMEwGA1Ud IARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0 dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADu AHUA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFvzyxk6wAABAMA RjBEAiBbbVuIaPJ0vmK1oqGDGrlNXr/EybtYjWtWuk1hec8eiQIgaBq17E7IZVuo wZzsrVCGkOug4uTGH01T/QSPWql30ngAdQAHt1wb5X1o//Gwxh0jFce65ld8V5S3 au68YToaadOiHAAAAW/PLGUVAAAEAwBGMEQCIFqeBARnPf+9nvaSEhwBaCMr9yWZ iBjNxDoSlazK2jDaAiAo+jdABOnnCPCvoZ2ZJDxZuW6jKaZwS1JbXsSeT7b24jAN BgkqhkiG9w0BAQsFAAOCAQEAMcVAtcnB74G5QxEjyT8ZjkY0YxROzFu2LcTpeoen wR7amJJJl2hNvw3FjRJocNkZxu13r7qgD0fMb9k6BuRqnWyzesdDtdgezTh8eg1N +heQgYuArMV47qd9sceDoA/y8I0OiO5mqXd4PI5fW5IpDMZwqvCKh5b1Tl0Knic7 f4M25+QPu1voZOi78gVMMWf1TmyoYLTXiq98lmH5wjBjiqUWzFoMsmaS+oqaBX2k S/RO/F3TTTlONDA6PbXe8ac+EyXCY+SwuJC3g0MpK3LGeQ03Q5ksqpJCCiQDwkjn pZzNCKodlOmP84W/issbZrj2TqjcCteLZIAbZ6LtmhKBBQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAkXg5I9Y5W9VpafBoFAV9 v7hZqPYRqG450FB+eaMm31sKfzhFpoatbYfJm1pgfwzWC6SKNJ1kBKv3f5bgCi4t p6ZUZEXoBbTa5CynWja8rZ9gAbppU87sUGSiQX/zHbBR3EokS2Hg/KYOHm/yMUeX XlPRlOZWp7iBUX8I6b1Od+T8OXF16WoHA+pbtMYEuk3tYy2P7ItMn9KGJVyvsLvH sOYwVG2++0miLQvpmutc7kLTRlTdtxdGOe/DuOgaX12U5KQQpsPhNQRh37uRFV40 UsdtXgp7vlHyayE3xLz7lyyrHUVZaujkXDvMp3yGEomppHP8O9fMopq3FzFn8qcw uknwncVmbpOz+MQxL2pnelg5tyI07RW7wEZm28LK/WHTN1ojO5Lxgi00cCnj051Y HKmQbBvzIhP0j6b5BlLFX+RpEiNxYf5o5jGPGBupXs2Iwnng74lcekaD3MnZ9Nrq HijWWCpFq3YRMwUzKiF1tjpIH3gH6aQLS7qzBVoZA0FMDRsumnZbcS1gu8COF/KJ 9ydMNsEanAAl2Jv27iSglh/BPkpHMcmrdith1UD/No+v5gp1eYOfyIsXN48Hd1Vx 1t4vveq3RKLNLbukYVsoFQJSu+8LYMrB7bD6q1sGLvxzFszlOQ/YJQu/GY4VCczq uMGqv5Ba48xr/sxCnS8gFccCAwEAAQ== -----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 279344480541430948414599888231572772988123 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [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 (countryName) . . . . . . . . . . . . . . . . . . . . [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 (organizationName) . . . . . . . . . . . . . . . . . . . . [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 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-22 20:33:10 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-21 20:33:10 +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 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.tkyo.com' . . . . . . . . [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 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 593464280008499958044890189727851654161480826517642867830903087168043555093430215676462621369002384034015896937532173586472203069176585255939024097476765304654956694696331915452044986321414828989314668624756395723638521216378182761441864483423578050719418333598501217124237572605417309636398956195116988369964044096532096500553181535707819627580139787058462924957708133230373021139652027057436672438939012777979687579240852808296229358581851069446337888497172164667678721539813593110728276089853153923452351858977624445433739794704289007958623222628881704300687162114607066158878975098389087867264865893200045405508859807714352288435934470330933186721502830897258010035049465625122701439450769319198685365786401767685918898692164537728154693103649674639112464071946686747554877841893233870498669961095411397917029900087528918691677084353381975038776594916659161753021124041788649518810227282865365146913721275301674689503993346457105589967897605209906915305987393303410543549691673785654243966678686290897596954999610321762128519924367328343606932519615251267383163752735573917537054749507993566848110220189117712035570954371373935785460018006845990822469299672004277226535116579426883176608620882292951554616939272596009650420192711 . . . . . . . . . . . . . . . . . . . . [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 (keyUsage) . . . . . . . . . . . . . . . . . . . . [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 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [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 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 7271675a299d6f5c30d4f1217f7541db4fdddf74 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 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 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.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 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tkyo.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 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 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016fcf2c64eb000004030046304402205b6d5b8868f274be62b5a2a1831ab94d5ebfc4c9bb588d6b56ba4d6179cf1e890220681ab5ec4ec8655ba8c19cecad508690eba0e2e4c61f4d53fd048f5aa977d27800750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016fcf2c6515000004030046304402205a9e0404673dffbd9ef692121c0168232bf725998818cdc43a1295accada30da022028fa374004e9e708f0afa19d99243c59b96ea329a6704b525b5ec49e4fb6f6e2 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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