ghn.vn

Issued by R3

About this certificate

This digital certificate with serial number 04:89:5f:50:f0:91:db:21:10:19:c6:be:fc:6f:ca:bf:3a:1d 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=ghn.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:89:5f:50:f0:91:db:21:10:19:c6:be:fc:6f:ca:bf:3a:1d
Serial Number (int): 395194524917892011503819569379112757705245
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 30:2a:fb:75:1e:c1:c6:7f:bc:30:81:05:9b:e8:2c:78:fb:a6:ff:bd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 71:4c:58:20:d5:3b:9e:ab:68:59:f7:95:b9:2c:d8:63:97:4b:19:85
Fingerprint (sha256): 42:ab:cc:70:d2:d1:0c:18:c6:0f:cb:72:d2:a0:5e:a5:6f:c9:8c:64:65:8a:f4:09:7a:82:1d:9e:32:65:63:40

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

Revocation information

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

Check the revocation status for certificate ghn.vn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ghn.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

ghn.vn

Other certificates including the domain name ghn.vn

(limited to 100 certificates)
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ontime.ghn.vn
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webadmin.ghn.vn
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ghn.vn

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAg81a+QTVm2HCUFvGLJ00
qvmCYnfWSiKF8imm4jSpDvlSVC4KxmayACZnWs46zL70uaDd6oGwaA6HyUZO91xx
2wbWBtoWCZR9dMahZoO8b28wS9qoMoeP1CtPua7lTbj2ycv+ksZL+/tPHZRbn/pH
lSj8a0NI4BRDHqSUGpkiP/Dsb+3/qU1+KyhjA/A9X2pwXn51+w0vSm0lYWlQL9sF
9R8iEp16jYL1EfyZ8/bA/nviSv28BXdzfV8Dm23Qp85AXAFJxC4r3cFeTWfthryg
z4j+7SoGwLv7CmLoAIC49o/5fbwkd39kT+Tu97AyR/Bv6BWxV71PDfLO60ZvwEAJ
+wIDAQAB
-----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 395194524917892011503819569379112757705245
 . . . . . . . . [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 2024-01-14 13:00:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-13 13:00:07 +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 'ghn.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 16638482453847354032187856010725154841784785220605538455398113008818598325247240138118867904306203501992271047248273526800126596334869742118082878190111389289187182042117526981093307593279614825448134792390999326227375254569688160787443816813494502974053300476649460314597786697323614336336595239300878928642787384941580303938202214773637776531914133203092216563635241321564379539490918013133551102476438830162238456275361706272201718273854173661240704740704367926627675332663038885213227167037483283469711523389299998544099336794452870654628865909991665247995645352908028143918781094759736484967268026843002038127099
 . . . . . . . . . . . . . . . . . . . . [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)
							302afb751ec1c67fbc3081059be82c78fba6ffbd
 . . . . . . . . . . . . . . . . [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 (10 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ghn.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d0845cd54000004030046304402200387fc745e2856e138d11d4b9d6b6e5d67d483d59b1a44908afae27d503d89f602204987c2d3d81ca40f2e6989e926673567178b5bb4019746c94b42386072e5b1fd007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d0845cd5e000004030047304502200e15a18936ba3d73b972eba1b85c3194891d2341ee28859582708c2e32596ca70221008a3f016c70992acae0d1bc3b8b29548be7b4b0d02a4260fcbfa9993b7ef2c635
 . . . . [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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