hcmcons.edu.vn

Issued by R3

About this certificate

This digital certificate with serial number 03:57:0b:c3:0a:31:14:6f:07:4e:df:98:83:a5:9f:f5:74:af 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=hcmcons.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:57:0b:c3:0a:31:14:6f:07:4e:df:98:83:a5:9f:f5:74:af
Serial Number (int): 290957057929956034552364378775629312914607
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2f:e0:94:b2:a8:3b:ce:03:5b:38:4f:41:be:07:52:7c:a6:f8:21:fa
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 77:82:13:79:bd:89:e5:bd:e3:58:85:a3:b1:17:ed:b6:ec:4e:b4:7d
Fingerprint (sha256): 93:b0:09:c3:04:0d:1f:e7:27:c9:c7:39:ed:74:c2:e6:72:cc:81:07:bb:79:85:c7:bd:b5:e3:86:5e:40:2f:da

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

Revocation information

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

Check the revocation status for certificate hcmcons.edu.vn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for hcmcons.edu.vn

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

hcmcons.edu.vn

Other certificates including the domain name hcmcons.edu.vn

(limited to 100 certificates)

Certificate

The complete raw certificate details for hcmcons.edu.vn 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 290957057929956034552364378775629312914607
 . . . . . . . . [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 2023-10-06 18:41:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-04 18:41:33 +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 'hcmcons.edu.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 689390969276574953951429602562256110721668738470490449428022703844396587563825543944136322682802501260870169530155429358053134829849205145002397268426220507464565239260440871109929845584356073742158232585234848746994382353395741302824278196624880043041788132525633085401353109311042415080562945573277890426829127786644118607501414326747247550695737458629822048335258200037531499893854914575995178868884044920755447702711045682708909184231536255866154953540247605184469229613531914739487080240417577530518946324906817561231786400665930050935304395938211975510842002254895175749527544370298991621195204301941840427007505275815023658353668419454591919459973767699455032751033909577103709328013301440355366850497935072138554724732234219971243072310549184554791064523904862403498473782175120693372892739124136781626517182518667823621129405706552219304506140147096796320045297287177388031809347425591852974783664852530234815314543327478787180081395041887567774653406286176878044084082281285712436489606919360193241773648453161536055353272282228829136774474850328617244752055150240465462022681487005429168435710364045908547737753377771740934124737702124129354476906942597281919032042352339079807272128797904438817410552550506698338894560973
 . . . . . . . . . . . . . . . . . . . . [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)
							2fe094b2a83bce035b384f41be07527ca6f821fa
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hcmcons.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b068272730000040300483046022100f46b24329963ffb61fea978e82e20e80f239d2d1a000f162ed94a70f399ed57c0221008eab190c5e5f5f3fc81a32fa99816176ee57883641f0ebb4271820e5d4dabd4d007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b068272620000040300483046022100d2c29252be18f7814a9b9c630546926cbdabe6e7d66df3a6bf0d166bf661f512022100ccd2e803377ffede612ae0aa9981f2f3fa613d4f8ab4cee566e3f93a120055db
 . . . . [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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