hanu.edu.vn

Issued by R3

About this certificate

This digital certificate with serial number 03:01:fb:04:04:7a:7a:41:06:af:af:a1:29:75:cb:f5:e4:10 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=hanu.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:01:fb:04:04:7a:7a:41:06:af:af:a1:29:75:cb:f5:e4:10
Serial Number (int): 262010797249164436451042887292758424675344
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 69:b0:6d:58:fc:f2:6f:5c:23:89:3d:91:7b:e2:08:98:df:34:8a:92
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e9:b1:3b:da:de:5a:84:52:f8:0d:49:ae:1d:6c:9b:6a:2e:5e:8e:c9
Fingerprint (sha256): 0c:41:bf:07:ca:11:8e:e9:e7:c6:67:3e:7f:8c:9e:3f:bd:44:33:2b:6d:8f:2e:b3:da:37:42:58:09:2c:aa:36

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

Revocation information

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

Check the revocation status for certificate hanu.edu.vn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for hanu.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

hanu.edu.vn

Other certificates including the domain name hanu.edu.vn

(limited to 100 certificates)
www.sunway.hanu.edu.vn
de.hanu.edu.vn
latrobe.hanu.vn
vietthanhkubota.com
hanu.edu.vn
pt.hanu.edu.vn
ehp.hanu.edu.vn
ehp.hanu.edu.vn
sunway.hanu.edu.vn
fmt.hanu.edu.vn
hanu.edu.vn
latrobe.hanu.vn
latrobe.hanu.edu.vn
fr.hanu.edu.vn
hoctiengnhat.ihappy.asia
latrobe.hanu.edu.vn
ctsv-qhdn.hanu.edu.vn
hoctiengnhat.hanu.vn
cuahangvaituananh.com
latrobe.hanu.edu.vn
sunwayhanu.info
ru.hanu.edu.vn
hanu.edu.vn
hanu.edu.vn
hanu.edu.vn
tuyensinh.hanu.edu.vn
ehp.hanu.edu.vn
www.sunway.hanu.edu.vn
hanu.edu.vn
jvcc.hanu.edu.vn
fmt.hanu.edu.vn
jvcc.ihappy.info
latrobe.hanu.edu.vn
vnmmoringa.com
fit.hanu.edu.vn
hnplogis.com.vn
pt.hanu.edu.vn
latrobe.hanu.edu.vn
hanu.edu.vn
simbongsen.ihappy.asia
luxuryvietnam.vn
kientrucvietmax.com
learnvietnamese.ihappy.asia
tec.hanu.edu.vn
vnh.hanu.edu.vn
nhaphobacninh.com
sunway.hanu.edu.vn
en.hanu.edu.vn
fmt.hanu.edu.vn
hanu.edu.vn
ehp.hanu.edu.vn
hanu.edu.vn
hoctiengnhat.hanu.vn
sunway.hanu.edu.vn
hnplogis.com.vn
latrobe.hanu.edu.vn
hoctiengnhat.hanu.vn
sunway.hanu.edu.vn
tec.hanu.edu.vn
renluyenonline.hanu.edu.vn
fmt.hanu.edu.vn
en.hanu.edu.vn
it.hanu.edu.vn
hoctiengnhat.hanu.vn
www.ngukimthuanphat.duy1.name.vn
movenpick.ihappy.info
latrobe.hanu.edu.vn
vietthanhkubota.com
sunway.hanu.edu.vn
fmt.hanu.edu.vn
www.hanu.edu.vn
apcal.hanu.edu.vn
kientrucvietmax.com
ehp.hanu.edu.vn
jvcc.ihappy.info
hoctiengnhat.hanu.vn
jvcc.hanu.edu.vn
sunway.hanu.edu.vn
hanu.edu.vn
latrobe.hanu.edu.vn
fmt.hanu.edu.vn
kubota.happycloud.vn
ehp.hanu.edu.vn
ehp.hanu.edu.vn
www.hanu.edu.vn
cn.hanu.edu.vn
ehp.hanu.edu.vn
sonviva.com
hanu.edu.vn
hanhlydep.com
sinvoice.ihappy.info
es.hanu.edu.vn
latrobe.hanu.edu.vn
latrobe.hanu.edu.vn
jvcc.ihappy.info
cthvietnam.com
hanu.edu.vn
jp.hanu.edu.vn
hanu.edu.vn
fmt.hanu.edu.vn

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6uzxd32+z6b1bjLeBM/K
QknlaN6jUs0VopoBbiynTYsSW0rqxl1dVYmOZO2HSjOOjHHczKHFcm6v9rroqwtm
56AsEGj3y7pVRyUxilK8nOSTI2qvtgKz4aCGnTELQ4GirtkIhy7aeWO6Dmwg2J1y
ERzqbPDVdXEuXq4ii4RpGRVeJxcNEpnKFjvN+/bdzT3B00gzY2OaywlP4Cf1nr13
C+676kcBnGsLw18fJwYCczxfg2WmwsvyBbuv6Rd9014qnQXqpTIz4xzFIMik1xhd
H/QQec7+5WtYbej477brG7Et074s+T0izIvzZDUJeEWTtJJfWnq2WxFXbraCG5X2
EwIDAQAB
-----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 262010797249164436451042887292758424675344
 . . . . . . . . [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 2023-11-02 02:39:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-31 02:39:20 +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 'hanu.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 29656604423270325759273353269342291614029157997980797240837852281387695924543044242488864270575224463633232998123212245594875977075656095719042231948062437670767810877656081201993462290311231070664398820186666589128881528768243880044034107330199219649258377619701573440960480973194385420266862362769053515149068923520235033834949101248099677473676415564315152903874385395423638425366232624178551965579324934580088142467054546078719235062585533407575985904715244565128678670155453206108392503651993230305455153068768589787763911500379414225716690285163019227126969167180476934606236250612078794402332200357082130937363
 . . . . . . . . . . . . . . . . . . . . [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)
							69b06d58fcf26f5c23893d917be20898df348a92
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hanu.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)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b8e1d39980000040300473045022018ee7c3e2f101491e3307579cd26f189f387434787bfc1b9b1c62dc8a29e0664022100921e6191a52efd757fbf82fef2be6faa48176af76b95ace662b10ae40c19a7af0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b8e1d3b34000004030047304502200f201def28942b7f981dace0868bc8f6af99a94763599de8a47e6efe700c4819022100cd859764fbc38b9c668db6d0ae0fa51017227dbf56f3fa6c00896b3abacbadc6
 . . . . [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)
		00273ed74287481efa8b5ca39c8bc9c3189b42195721b962be953213d85cd30f3cc36dfa1e479f2d53ccbc2efcc31e12336f2ada87daa26c71b6252090e525cd706e6d1c45468ff7a9bd8159eed77aa8e13d2cec3f301bbcfee93b5cf30b502945a8af9bf79f72196eba541cd5924301d9dbc01dc31e2d29e7400965b6dee96eb8a45582c78f207e28fdea433d7adb91b67e3a9c31bb06a73c2df91db78b08e5cd51eded7a877622f41bdcc66fb1234d292af75460e85ab52f7aac56278bfbe1cb263010de8c0e019ae2cd28cc3fe9c5db855df53f232cff2ddf6934f435b7eb0d782082e083146f290744e50cb5cda65c82d3a61ae50e3fc6b9dc8c32881756fe