hcmcons.edu.vn

Issued by R3

About this certificate

This digital certificate with serial number 03:7b:1a:58:ff:90:15:74:13:e3:66:85:a2:78:4e:90:98:ee 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=hcmcons.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7b:1a:58:ff:90:15:74:13:e3:66:85:a2:78:4e:90:98:ee
Serial Number (int): 303226610960000073671144692721053326153966
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1e:aa:bd:cb:fc:98:d2:4f:6c:f9:03:72:67:2e:1b:db:a6:96:ab:a0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 59:10:44:a0:9f:06:84:a5:cb:21:a6:6a:55:22:f8:af:aa:f6:22:69
Fingerprint (sha256): f2:69:e1:56:57:d9:a4:12:93:27:c3:bf:89:98:e8:96:71:cf:48:16:ea:6f:db:45:4d:9c:b1:f0:26:87:ea:76

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 303226610960000073671144692721053326153966
 . . . . . . . . [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 2023-06-10 18:41:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-08 18:41:22 +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 '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 887552691693056378070989485490624833708147511006634643662853641626886749464888568102817980361744952812076608526263236254911206027475061546527656580661901465818230967835841660242744445385325890152564867286507399028227900650788342171141757718513617631851960401874917940684912764863145531866299783965320690256208619472947347335312620487597440001135452354010910952577008270842053449292969096034000893053897395846563261314606022894759377702826772247797077542250600636329957816510972041221867008119734010826252151439001003219408259053772141428256663994412584520549361614065378524148774655414949615577409113509004467969363246763469585389061365473694623603122507897378352080474960504910939844082023992364345320770201560300550192001685241437935513691205868873169970077456190910290238917958184429263908142175300141682039869581226146406540406831842232071391930179047050558986521659095249319427696688250849423395968225733171483418068827374055162188481046826986950121371216903529052332709385959015264925159980935224663683970861410314174300015976746329253660284622499474705516634443594001691646395159741046073668889518937766870400181764289764607272160317099425778007715227399396334582759861076815317813207518498053214946856809704506468565079086171
 . . . . . . . . . . . . . . . . . . . . [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)
							1eaabdcbfc98d24f6cf90372672e1bdba696aba0
 . . . . . . . . . . . . . . . . [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 (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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188a6d3e1b90000040300483046022100d4991d7451d4f1678dbd418ed1892282d45aec0a7cf975cfb3697e01b633203a022100831729b7932f4a3ebece837317bafd589b451d26ecd0f54381be16fe057c65a1007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000188a6d3e1e600000403004830460221009f19261323090a391d9209c93559e636dfb3077ef2ecbbb38a0239f6836309eb022100cfe6a872a43bbf3844d630de6191298a4a1e65153eeed1a72d084c31d63889a2
 . . . . [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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