vinako.duy1.name.vn

Issued by R3

About this certificate

This digital certificate with serial number 04:5e:e4:78:df:e3:d6:5d:d3:2f:c0:97:ff:87:8e:40:8c:ad was issued on by Let's Encrypt.

With 13 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=vinako.duy1.name.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:5e:e4:78:df:e3:d6:5d:d3:2f:c0:97:ff:87:8e:40:8c:ad
Serial Number (int): 380739377817299664874954006655906076462253
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 48:a2:a9:27:33:0c:6c:34:71:52:77:92:a2:13:b8:bf:a0:9c:c2:2a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9d:c6:0e:0b:7b:7f:e0:51:58:8f:74:7e:b9:ef:47:21:b1:5d:29:39
Fingerprint (sha256): 5c:b4:70:33:60:c4:fa:33:d2:49:c5:c0:fd:e1:bb:bc:be:99:ac:87:23:8e:60:25:f5:0e:53:65:06:75:2f:b2

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate vinako.duy1.name.vn

13

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for vinako.duy1.name.vn

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

ktwindow.com
ktwindow.duy1.name.vn
sonamica.duy1.name.vn
sonamica.vn
vieclambacninh.duy1.name.vn
vieclambacninh.vn
vinako.duy1.name.vn
vinako.edu.vn
www.ktwindow.duy1.name.vn
www.sonamica.duy1.name.vn
www.vieclambacninh.duy1.name.vn
www.vinako.duy1.name.vn
www.vinako.edu.vn

Other certificates including the domain name duy1.name.vn

(limited to 100 certificates)

Certificate

The complete raw certificate details for vinako.duy1.name.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2ZOci6ASkvA2AZ/tBFhX
tC0yOx1vUjhGgTVx+Y6MrddDum+vwNBgLRm3OICAffihKEiKNLchlqlyy22QCga5
J/xZxUAnjQ8ryirj4qKZZIdGrghCPCoENQkuXkFX5no9UNINIfonf03t7kDfcBgG
jiAO5MILdIu1mpcv9eiAiFUl0sWmwjgoKpMJNOA4BvV0HwI6SwZ1FvQUmwjIaIY3
3fN9X3vKA6q2Rf6NbucHiUAHhv3qcgvh9kMygyM631qQysGBt0PsXgLK+XjEwqCG
n2Uo94gLFH2PmIPt/cXrCFFY7j8OnCIQ0VfF8eN254kXPy44sgCo7v0glJ7Jgdqy
GwIDAQAB
-----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 380739377817299664874954006655906076462253
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-21 11:35:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-20 11:35:10 +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 'vinako.duy1.name.vn'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27466502123921507185383031739816161472590120697655482000243818893843272372924302019260149481927119054824778281798346854454266544058323036295824709401833350982947831163255095586742119904904025392122687183828705385962452926146379196405972297637886380889337801537902174590193976442756991290671548219215237720438660477677806532228140774221760200074974043993294464442052970465045873480189613092586761874735421707061948538817793149904675826750841704052991403144814735903901488152192895244735388283836517300306909067469648412085561912902327088255843332470161679850965896505206167772992273974253652750851405187092781893071387
 . . . . . . . . . . . . . . . . . . . . [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)
							48a2a927330c6c3471527792a213b8bfa09cc22a
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.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 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.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 (292 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ktwindow.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ktwindow.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sonamica.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sonamica.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vieclambacninh.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vieclambacninh.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vinako.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vinako.edu.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ktwindow.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sonamica.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.vieclambacninh.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.vinako.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.vinako.edu.vn'
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ab7bcb2440000040300473045022100d14e66467677ea76a9017b99ca2dce2d108cf2fda6f3ec21e58172d808749e45022051f4351d394a2cf618f0be271829e7f82b0d9dfa3e4a2a85fd9ddb629ea337f70076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ab7bcb31f0000040300473045022100c6a8886aaa5c69239473323e45d3e9dda770a7e55e04ca53633456ca83e7da8202202519d58499afa97a103ab8676487db6ae9bccbbe330d1d17247d6dd10a9ad07c
 . . . . [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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