geoinformatics.humg.edu.vn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:82:86:42:9b:fe:6b:35:f4:4f:3f:53:97:84:cd:41:99:5b 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=geoinformatics.humg.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:82:86:42:9b:fe:6b:35:f4:4f:3f:53:97:84:cd:41:99:5b
Serial Number (int): 305752027901961204183173649350307650574683
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a3:1e:c1:b2:b6:de:1e:13:8b:18:06:73:a1:cf:6f:68:e0:50:a7:1d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 75:6c:96:2a:2f:0b:4e:9f:ca:72:fd:30:02:72:f3:d0:fa:0c:33:70
Fingerprint (sha256): 8a:d1:10:5d:3c:49:62:be:c0:6f:e9:90:77:1a:88:32:ef:89:a9:c4:34:6b:52:bc:47:12:4d:48:b9:34:1c:80

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

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

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for geoinformatics.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

geoinformatics.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 geoinformatics.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApGiMZYM5DBk8ujh8WAJi
V6E/YTbVGKsY2nQNHoHCzWyyJHBgmlJxenDI5dacofB4XvFFOASDvs01BbKXzgIm
q4LB8ZZlmalU9r2A/CHOlAzyCcm5EJCVVSw2rPn+fKF6q5ZxjUMi6yAO4SF/A10o
QiXhajakeLjItnXhs70N2xEKZwWKODYrrUIip0PNb3UYxPp252/NpkFojO+3PXmr
uYij5D4BM1ayhEvD0mHqPGhyCriSe4eJJNezOIUT3Gv+qQi3GP6zsswfbI1/fusD
NatsOyACFrQITXQyHhvtrM8FcpGEfJeiAw/A9JvO2C8nPijKk3x8bssXMgYZByaX
JwIDAQAB
-----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 305752027901961204183173649350307650574683
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-02 03:35:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-31 03:35:03 +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 'geoinformatics.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 20754636763759709866376029518463027819682415125840511153294182356024625792118552049786143375463970973572810163193437147700550373305949942067426113757661972730842122964486468193439661934640817336049148567112292395475982721184797845942842260123334806427706142708141652610850990647865853047387297365759121740265178288720825641768021552774398804483808388492688975620980423599350923544935146207899655810585359220645756705545866485864335553426797306126582925171698627645616841379169769547632507487658039950578773601639338651346650552488222871828960608276174326003372455508406206427329549249365304917364631971982445621188391
 . . . . . . . . . . . . . . . . . . . . [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)
							a31ec1b2b6de1e138b180673a1cf6f68e050a71d
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'geoinformatics.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001709986a5ce0000040300473045022100ece69ea3c9a2620d45a1c5849cfe386d42165fbefff5dc91dfc47e098b78768602202af5659f8552547e6f49e1e1075ae15be2551fb88b85bfee315ecaab56ac2c23007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001709986a5c20000040300473045022100e394b3353ddb44336110d4eba024c666abea3220758d5cd1110cb3c183f5f16c02201b85e573695efeda5e38ae51dbd3a66249f182e86f50b2ac627d09c9ac172a04
 . . . . [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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