thomi.com.vn

Issued by R3

About this certificate

This digital certificate with serial number 04:4e:68:07:67:0f:e7:95:ac:ab:b8:0d:ef:97:eb:75:cc:f9 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=thomi.com.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:4e:68:07:67:0f:e7:95:ac:ab:b8:0d:ef:97:eb:75:cc:f9
Serial Number (int): 375129446494862111327680775868741282286841
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e7:1f:68:05:1b:d6:a1:d0:1a:d5:ab:77:7e:bf:b9:9c:82:49:37:d6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 39:02:16:29:f8:4f:fd:7f:f4:f8:46:42:08:99:40:52:13:04:4a:f5
Fingerprint (sha256): fd:cc:fc:c7:d5:01:94:7f:d8:2e:3f:d3:81:b9:65:cf:44:09:e6:fd:c7:8d:ab:0d:77:4a:4a:99:6a:5a:22:ac

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

Revocation information

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

Check the revocation status for certificate thomi.com.vn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for thomi.com.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

thomi.com.vn

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Certificate

The complete raw certificate details for thomi.com.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArIoNcIz+f236BK6z4aop
6aBuwRWy/8KEBTl9XY3nkigQVs2u0vIqSke7GnJvygwTk8IvFiMCC8wXcU7ip0av
XGFiU4bEJ2k7Wf3JvfByFY7Jw88NopOBeEO0QcFp+PTLQ8qshW4yRtkvy8P9aPOp
p85EUR+YcfWEZWg5vcBkUVhCqhI5QtEQRcEAwKCJ63IavleUFU7Z378WQ8g791pf
ZXxFUQuFt+xozy85lQvlOtDSWoYmgRuVL8BJAjcHDyx7mK5KWXwlsFScdq+u7Mmr
lmzHOSlX6bopk1tzNk1/yJBsrPrQ8EseLmuidua0UbO3FQ8B4qdJWwOu9rsdhwPf
hwIDAQAB
-----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 375129446494862111327680775868741282286841
 . . . . . . . . [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 2023-12-26 08:48:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-25 08:48:46 +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 'thomi.com.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 21781064678476245538251779636624384746591495978417142780482533377274123902145984738177872666116852902829359775844779938714946484152746654895105465664022497775282109782163239724178091393534304827124765262205624578801263611636105424554806497662577234211291813559741654742222673800704999241955996745594412241505362629665985310446307593214915792006783298429772661788796330606636628173574431519684086762560768726898804154995599628375079979586876169009304207248640464493103065532930660368588007886682742717599012198987331198131243498781263135216089119241690513298253056246868873618443623206589204404217578772613384798199687
 . . . . . . . . . . . . . . . . . . . . [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)
							e71f68051bd6a1d01ad5ab777ebfb99c824937d6
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'thomi.com.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)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ca586db53000004030046304402204a2ad2bda1a8d9177df3d62dc730af01b38118b9f198b01d928ce04121167cd002206043f5e9ed3048f6c6153d19d6348f205a94f2ec421ba1613d01c3645565e9740077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ca586db55000004030048304602210087810955d0e24e1dd5124e28f2446d558c8400a6ec8df268dbf9b37e34917ce3022100c479813cf0ce322f936129fa01cb4180f5cd9affd437f5c5f0e9201ab7b8dded
 . . . . [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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