geoinformatics.humg.edu.vn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:19:f7:7a:ad:e6:6d:3b:b0:0e:21:c1:e1:a5:0a:ac:38:86 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): 03:19:f7:7a:ad:e6:6d:3b:b0:0e:21:c1:e1:a5:0a:ac:38:86
Serial Number (int): 270172873270592961830144837498297704528006
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bb:b5:3e:e2:d6:67:d7:ba:52:15:93:14:c4:4f:f6:c7:6d:ee:80:f8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4e:e8:c9:6c:0b:ff:36:a4:b2:12:4c:56:a0:88:4d:07:8d:ce:9f:41
Fingerprint (sha256): 37:88:e4:1a:0b:e8:9a:94:af:e5:c1:7e:37:ed:b8:d3:53:a4:a3:a9:f3:08:95:07:d8:df:40:e1:fb:ce:e3:9d

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnHJOh90r7EIrFdP20eKo
fF6KSwx4g1Y5CEQXEubh+Mwx+A2NiGKqrb6XIHLwEUrDtOlQIizHHoIzqV7flhp0
OzOqpdlVM6m2qWYUilDiUkVj8atBnkg4N/vuAdpISKFKflh9RtSp9O0bvVON+LC+
12N2mgJeeIdSw/8S3jK0mc1MV+B235634La/Dd0AQ/NIuP/vnhX4pqLjK3oYmZKM
kD5/d23ISz3DBDUBHeslocc1w+XrnANMRhO1PzMng+lxot2TMGU+Y5fxIzaCAOBp
H4V8A72UHFtPHKdrcssB7SASUXVek9OQZ/SbnP5L4F9j4bbN0DTwW0aWp3qP5kWu
hQIDAQAB
-----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 270172873270592961830144837498297704528006
 . . . . . . . . [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 2019-09-04 05:23:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-03 05:23:26 +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 19749542339184641612567117928466793394656436929508773926620345859330825553055408410823967307785182353958262792422252780228033853297397939448047523501818759299995166318349180501140498839829454128849972778969362557599660296878770822080089217472788658282557696651544141833002660612728857638033270825561302302661683385851873957441412093175955648348214724975264503004381703576677915506545619188376229207488270589086036932113103593615526972956456305214071964110697504093923235171381417861604668325312870783479820738500943213379137991893924654353487976486738014022296475597426278254435029780028783367032043223119825369149061
 . . . . . . . . . . . . . . . . . . . . [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)
							bbb53ee2d667d7ba52159314c44ff6c76dee80f8
 . . . . . . . . . . . . . . . . [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)
							00f0007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cfaf130210000040300463044021f47aa185466ac15b2c45b072412e9e773a54979e37fefddd1eead41a4870f0902210091c6983bf68cb762024e84c3b79797f3438801731370ae2d203e322dfe9b9e62007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cfaf131f60000040300483046022100ce87fe0608d4f0f175a0fe99b93dbdb3316cc5a0e5674dd1988f6142f50f63a2022100943e3151819f0b314b2713c485e8b4eb75638e519fe563b05a0c72a1823761b1
 . . . . [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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