wdc.co.th

Issued by R3

About this certificate

This digital certificate with serial number 03:88:02:f6:55:8e:f7:74:27:6d:99:44:bf:0a:36:0b:5d:6e 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:
  • 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=wdc.co.th

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:88:02:f6:55:8e:f7:74:27:6d:99:44:bf:0a:36:0b:5d:6e
Serial Number (int): 307619197192878938976665572835482200137070
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cb:f7:83:47:ee:8d:5e:b5:34:ab:2a:41:91:61:73:d6:f9:e7:e5:6b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e3:39:07:db:88:0c:6c:78:7c:7e:58:47:76:da:04:37:dc:62:0b:26
Fingerprint (sha256): 96:fd:0c:62:2d:47:09:9f:23:31:c0:ff:97:43:c3:eb:63:08:61:92:49:79:02:ec:d5:84:02:39:e8:53:08:24

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

Revocation information

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

Check the revocation status for certificate wdc.co.th

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for wdc.co.th

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

wdc.co.th

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Certificate

The complete raw certificate details for wdc.co.th in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA43cvtKLAAfdO65dN10Ao
4K8vGKcKg7F9ElTOMVGx0SfhrWBaa8CFHK1sEFWPu1rIrADWL+DK2F4uOv95JDpN
/T3nHYHtZE1djsv1I7RMidCXGKfrRMuA7jtJ8Jy9JHergysu26JT6csxyuEkLp6D
f/fMUio0JBmWg28SmJWV7NhkCpp8WRwRVPeOpnvCpuv78OPN2IyOlkM6ucXUYxqu
aJomq26NxdRxTFE35dD3Mb8q78tUu9Z4U0GAeCbKKwkm5DFNAxkgaoNUWG9+pKjc
F3+VAT6qiIlDc8daNYWIXHikE0lxpg+wcTcvkMZbdDca6Xl9L+2XoZARP/PUXrG6
iwIDAQAB
-----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 307619197192878938976665572835482200137070
 . . . . . . . . [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 2024-03-28 14:49:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-26 14:49:12 +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 'wdc.co.th'
 . . . . . . . . [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 28714868206995377574883064265321930386193476756018975852346074918270844455701695592135869208830945622109977431381979820170050122583193182695150407432161376410970786418494151763858703822853173830122976403038270824646712247223835910218188811933580595939506239089447236931060278104612268113618030082066141963867337329830868417945853283921527038290572100684498285118309243758437244895181291376595430157887587140283335547952347273444185654023901812862623385033437687508660210283635157948052543069299516304509027093015643082435848708750558986381905212484638674034376787445274999327725413022789370242759524538583289416497803
 . . . . . . . . . . . . . . . . . . . . [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)
							cbf78347ee8d5eb534ab2a41916173d6f9e7e56b
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wdc.co.th'
 . . . . . . . . . . . . . . . . [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)
							00f00076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018e85c04110000004030047304502206c1faab189f0041d2cd09b211614f0c9984223858bfbb2feda6f2142040f9acb022100d5897d046a526b29662be8085c55d32555d075c2ee2dc352ef7953ee89d94c34007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e85c0411f0000040300473045022100e108748690a6ed829be28f5a6af02ff2404c04ef5fea8bfb59b7e46949ecec4c02207da3f520b10393aecf54f0746cc63c6365dfebafa82bb28db31cf0e7e06f4346
 . . . . [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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