geoinformatics.humg.edu.vn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:45:f7:9b:1b:0c:81:21:70:3e:ae:00:28:a6:8f:48:9e:d3 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): 03:45:f7:9b:1b:0c:81:21:70:3e:ae:00:28:a6:8f:48:9e:d3
Serial Number (int): 285145465782413202277380765565565530578643
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4f:50:d3:8f:a8:b2:5b:a3:c6:14:cb:57:77:54:ce:44:84:bf:f1:f3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 02:70:1c:3c:26:d4:08:ed:6e:1b:60:39:81:f9:03:3f:3b:04:4f:ca
Fingerprint (sha256): 10:a6:c4:b0:94:50:63:60:7f:24:1c:15:d5:d2:e4:61:92:a8:3c:c3:4f:b4:f0:0d:d0:13:30:25:39:ce:7e:2b

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAokrHvR47+dEOfO0KFwiz
Q3RBHB/TGpLLGG1xxGaZFSx1R4Xezf9wS6LC2GB8va107rS8WZvQjQBOA9q/6ZEs
MGSfmT5MLqD15d7iP6ArOHA/EHLcuazOMPU1wEwa9f8aE3wG0HguyI4PfgLxd9iZ
V9FDJyfb7Vv2kjQSmtdzFcEsEGgrmpkta5g31empwoB36PlSXKw4TDXNBitmZkzi
AF3up2wfF0+BTtud46f9KVdnBV+zm8DF+XxCS2wA+doJ1GpxyGrBdN+V09fPCpOQ
1pBtAPDUEJaQlYQK8zkZHdYTP10+V06jOUlM0z5rbPaBRuWIknxwy30C4W+tl6kH
/QIDAQAB
-----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 285145465782413202277380765565565530578643
 . . . . . . . . [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 2020-01-02 04:10:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-01 04:10:31 +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 20487480910018730695094597528951352668247601686994259586763446537915473889478027000934122215987923086724517693082785380414901697193415802355872251348182901967920095102431614597892082820877118036078274836280182737677968300654835966476340223789226840101592854102468126791269955158582596639661215605953172801235688297948186649738922296728279579404802360420094368198650276094322120849424274048151688203442312995572046273507503811131151567368445045653671135354010923111343715778935449015180912431579756655853080142404556534704874730001949430091100427525171872909807177685485714515655733110870446384040546021524420189292541
 . . . . . . . . . . . . . . . . . . . . [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)
							4f50d38fa8b25ba3c614cb577754ce4484bff1f3
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f64a991290000040300463044022063ea20ec49b28417549773384e9316b1363e371a12a158e302e2d8d284279e9702203c5f56fb526b09b2f2bb62c91ae5021b6c3ee7c15ad7149d38e717cfe530f49d00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f64a991550000040300473045022100c6e56a56bd3cde1ef747e5a96d32afdefb6c74dc10fda4c25a9dc10679db3ac00220032d684d7d7b8f9d6ae5ae8a166bb7ac60ae887b1d10e35030caf2824fb7aaad
 . . . . [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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