fit.hanu.vn

Issued by R3

About this certificate

This digital certificate with serial number 04:40:ff:a3:5f:95:22:c7:d1:4e:e1:62:93:91:cc:01:2e:dd 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=fit.hanu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:40:ff:a3:5f:95:22:c7:d1:4e:e1:62:93:91:cc:01:2e:dd
Serial Number (int): 370567016631938815589181281439972142952157
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c3:9e:59:f4:74:05:85:70:4f:2a:ba:5e:9c:ab:dd:3c:49:b9:48:e5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d3:04:db:fa:6f:ac:1c:39:d4:e7:8b:ad:2b:69:55:93:d3:22:4f:d8
Fingerprint (sha256): 66:2c:47:9a:fb:e2:17:86:ab:53:9e:68:85:42:c5:7d:90:19:6e:16:11:df:3b:2d:b0:09:40:82:4c:bd:0f:dc

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

Revocation information

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

Check the revocation status for certificate fit.hanu.vn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for fit.hanu.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

fit.hanu.vn

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA48Bfzu8hQJtcrtzr4lxG
nriYRSia4oIMzddWAmVkYFnCF4/s376ekFBJHTlSxgCsPeQojbAoX60kOYKOwOyB
EJVdl6XqBJNYUwjn4GOq4pbjUxzE22NI71B8HoCQ/WT0VgGTeyBzTe9E1PyEDVSj
dPh8mt86lVpwSAQqcS8bqkdKhw8sS3AxdrhVa0P2+j3eoY0HPZciba9eL1aY+w0+
CLwRPyeva2BjGK3jetCjdNUmzgeezlTXoFnJoK8H47KKRtMcUoOXQ3d2eXQGMsqr
V6wjDAc3BtfrSv2zraKzTmNb+ce/+5GLDgJ8XXUVXa4FNyvchXaS+unLzXjajIKa
PwIDAQAB
-----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 370567016631938815589181281439972142952157
 . . . . . . . . [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 2023-08-25 01:01:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-23 01:01:49 +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 'fit.hanu.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 28750958506220965771807179458118677357091478670500621097503025356905157007156775945036533899639721530227215121984964497670714527406950646676089697924375549983363230639266360075857814617207391571493430897335711027732549795252948187336631970589022702290642858332749629284123603958370405656320797795854278600046311519348443618576612341850458650999429794457177049472328963267349954460377972657001806304237096603337272505433844420668325151796992460735506448128680858495977996051238781325361525883595401404402988492180414685575962875253893087570946079528482896649625768674617399159707852744398706607538017551090271025011263
 . . . . . . . . . . . . . . . . . . . . [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)
							c39e59f4740585704f2aba5e9cabdd3c49b948e5
 . . . . . . . . . . . . . . . . [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 'fit.hanu.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)
							00f00077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a2a6d27420000040300483046022100f6b8859998a23df6f42fc56eeca461bb14b9e01152e34221f248b9267246f76f022100c2afe00a28c65f7b8b15b7c3402613ba5c1b7dad5ad682d5dfbbaab74d98e22f007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a2a6d2929000004030046304402201e36986b524e0b2ee33c9d04299a2c5d4a74c1a8358e9bfde06551888b51090302201dd2a9623691a4dabb871f34b69a85a4fbdb6889032420108d30a67c38b2be1d
 . . . . [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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