nde.humg.edu.vn

Issued by R3

About this certificate

This digital certificate with serial number 03:9a:9f:81:de:8e:bf:5d:bc:94:80:0a:74:4d:0f:33:dc:a0 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=nde.humg.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9a:9f:81:de:8e:bf:5d:bc:94:80:0a:74:4d:0f:33:dc:a0
Serial Number (int): 313952363872734371975004888148977294498976
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 91:01:d2:90:2e:42:3f:de:e7:79:54:e7:29:b8:75:14:98:ce:42:0a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 79:30:8f:22:37:0e:b5:de:95:23:06:7c:aa:d0:a2:c7:0d:08:68:53
Fingerprint (sha256): c7:9e:9a:93:f9:54:0a:ae:df:32:fc:a9:a7:0d:c4:cd:6a:ab:4f:aa:31:bd:6b:5c:e4:a6:ae:f9:66:96:19:8e

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

Revocation information

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

Check the revocation status for certificate nde.humg.edu.vn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for nde.humg.edu.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

nde.humg.edu.vn

Other certificates including the domain name humg.edu.vn

(limited to 100 certificates)
geoinformatics.humg.edu.vn
emf.humg.edu.vn
icit2022.humg.edu.vn
geoinformatics.humg.edu.vn
geo.humg.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
*.humg.edu.vn
geoinformatics.humg.edu.vn
*.humg.edu.vn
geo.humg.edu.vn
geo.humg.edu.vn
geoinformatics.humg.edu.vn
isrm2020.humg.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
daotao.humg.edu.vn
*.humg.edu.vn
geoinformatics.humg.edu.vn
*.humg.edu.vn
*.humg.edu.vn
*.humg.edu.vn
*.humg.edu.vn
isrm2020.humg.edu.vn
geo.humg.edu.vn
humg.khaothi.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
ersd2020.humg.edu.vn
geoinformatics.humg.edu.vn
*.humg.edu.vn
geo.khoadiachat.edu.vn
*.humg.edu.vn
geoinformatics.humg.edu.vn
geo.khoadiachat.edu.vn
geoinformatics.humg.edu.vn
isrm2020.humg.edu.vn
ctsv.humg.edu.vn
nde.humg.edu.vn
*.humg.edu.vn
*.humg.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
ctsv.humg.edu.vn
ersd.humg.edu.vn
geoinformatics.humg.edu.vn
tapchi.humg.edu.vn
*.humg.edu.vn

Certificate

The complete raw certificate details for nde.humg.edu.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwS7i3BSk33XPiJlyON9q
BnOOLoWOXSyp9pppyv4y+NsuwoHfNE3VgGpcbzcZTtqvwD07FmYU/1AbstpP+F+Z
BuN/4x+7EJV5abedzaL7Jq8sDb/Gifx7fJk+sJTRM9UZHbvmMs5ft52K0d617+RW
yBq0h7jd6LuSCfdTK3dBtvPWXWEs/HgtYHBvBDX1rXK5bCPdtrrq/AsCrk5Volt4
Alb4ySLI0pM4wW8FvobAXElNqRLyEZTgZLSy5YFLtBdRb2ecLu98EQzMg8Pb0cRr
E8cpXcFAA9CR0LJ/rSSnNjFMyyrZwnAwTXrKCUq8Ch/zdDTzR9sRVSA4LypppIKj
JQIDAQAB
-----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 313952363872734371975004888148977294498976
 . . . . . . . . [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 2024-01-07 09:01:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-06 09:01:02 +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 'nde.humg.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24387113290914087763526187612853931864952007553786884893410473695740437594585434422893409102394737252262960616745494707761072986532358515732878700143600949761894766257062665592240469141474421495356415219684707959203895349417990391253967730573545195532515480607024246841466823360897219367069329393990307832980097560828603979751313456006770526420841459392311965112123922676302494117543509531135779635806748079759568339068613828513012404135382738740531231275894880413440926127828476013833968594569657189800646800214953468804129129616015532170910094652970666444214390493046266699690526019238749187834008042147580320326437
 . . . . . . . . . . . . . . . . . . . . [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)
							9101d2902e423fdee77954e729b8751498ce420a
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nde.humg.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)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ce35e6711000004030046304402202405fe3f4addb289eed3337f6c36f07132b426c514ee767f7ef3a7ee8111008e02202f1a382d214b55eda63492e3e68aeda666b3ea8771b838c9b26191f5d3a96551007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018ce35e672c0000040300483046022100b58bb697cab46caa2366569a38a5497a4995e538ad2227f2f67372cecabdaded022100a1d9c269df7480b4da5f484553a6f75de366e2fd9af85810f5905406ff3077be
 . . . . [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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