www.tkyo.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:bb:a5:89:f1:83:6d:d9:8d:25:a0:df:83:1a:32:91:73:b9 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): 04:bb:a5:89:f1:83:6d:d9:8d:25:a0:df:83:1a:32:91:73:b9
Serial Number (int): 412301985203704210283503265569340038149049
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bd:1b:6d:fe:65:71:bc:af:1b:00:67:12:37:2b:69:a3:37:68:28:16
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9d:63:95:37:bc:04:2f:99:5f:35:85:ba:99:90:1b:ee:04:ed:5e:be
Fingerprint (sha256): a7:3b:c1:8b:d5:70:eb:4c:9f:41:e0:f8:e4:6a:f8:5f:f2:69:83:b2:3f:97:ee:27:fa:56:ed:ba:5c:bd:b2:db

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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)
tkyo.com
tkyo.com
tkyo.com
www.tkyo.com
www.tkyo.com
www.tkyo.com
tkyo.com

Certificate

The complete raw certificate details for www.tkyo.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 412301985203704210283503265569340038149049
 . . . . . . . . [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 2020-03-27 17:34:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-25 17:34:22 +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 962202733363116157086243311862869161029579532683090754467577917993321879352039567923870192622661101001211932619687576351647360359908751948742214151827048537686242436338671694868778778762109762071159736140474782480193384793322153581050046984623270388869170283644393849849370883905467375071160882108376379410838838913724253897034975255993743512617757216673723063589958063348650285332688787141936326354591252878282813326692559487593569345161337735609745701768477571498038078228698805683741923515824108138284374731205081380290166622862871704641553440582443537815934232199886857596233009492033605726043674854805059557527640854869628832781649268418726075284397032938599234718375337109226177495608783835773962693778879786792284280980753412520440692167130642878135105502471126084894294783548688888475826587642418010764319421214780887203582539958012121192801706103166609687612175333168121380841132168250417769373756260548960837018687544986990887895426525907464190132801356800479815821485289498580066912440780741215203761717108596773803049176458104454212201110379091505468977975690337515501640433118616530960604917987413963162914264815893767730415518115699695885234562486914934662091551654871794021693052956002997499739228451253207588767471987
 . . . . . . . . . . . . . . . . . . . . [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)
							bd1b6dfe6571bcaf1b006712372b69a337682816
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001711d460cc70000040300463044022008a430e6c3935793d010d33207e05c35f5552bb2c37899d7dfed5841010333c3022027633ff3c5bb7a1b8dc2a64b0026878ebd275b9dd2e8a5e7bf7779409ec049ba00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001711d460cc60000040300473045022100fa30dff6ca1c78b19ccd7a64988709bcd0763098261988ab9460dc435f27e0d1022033ac3aaedd042c7bd7f0a2f032b6de50b751dba52ff15f056135f0aecbcf3d08
 . . . . [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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