www.daynghebachkhoa.duy1.name.vn

Issued by R3

About this certificate

This digital certificate with serial number 03:8c:da:f1:fc:53:6b:f0:53:d1:02:9f:1b:e2:58:12:03:ca was issued on by Let's Encrypt.

With 5 subject alternative names this certificate can be used to secure multiple fqdn's. 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=www.daynghebachkhoa.duy1.name.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8c:da:f1:fc:53:6b:f0:53:d1:02:9f:1b:e2:58:12:03:ca
Serial Number (int): 309267417328612706421460104115083122181066
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b3:40:f7:26:6e:e3:7f:0c:f6:b0:66:55:a5:ee:2e:47:32:b3:60:9e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 12:4a:8c:05:f7:1d:03:a8:36:0c:f6:92:ee:af:21:8e:9f:e5:3d:92
Fingerprint (sha256): 15:cc:20:4a:e0:a0:ad:2c:f9:d3:62:55:ef:b0:47:d1:f2:cf:83:e6:80:e1:0f:6b:24:b4:13:f1:82:d2:37:d4

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

Revocation information

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

Check the revocation status for certificate www.daynghebachkhoa.duy1.name.vn

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.daynghebachkhoa.duy1.name.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

daynghebachkhoa.duy1.name.vn
daynghebachkhoa.vn
mail.daynghebachkhoa.vn
www.daynghebachkhoa.duy1.name.vn
www.daynghebachkhoa.vn

Other certificates including the domain name duy1.name.vn

(limited to 100 certificates)
cpcontacts.tankymineral.com.vn
ktwindow.duy1.name.vn
bepgialuong.duy1.name.vn
www.daynghebachkhoa.duy1.name.vn
www.sonviva.com
www.kiovietnam.duy1.name.vn
www.covatec.duy1.name.vn
www.digishow.duy1.name.vn
vietkobio.com
www.ledduhal.duy1.name.vn
vinako.duy1.name.vn
www.vinako.duy1.name.vn
www.ngukimthuanphat.duy1.name.vn
mail.xkldnhantai.vn
www.sunshine.duy1.name.vn
www.thietbidienbacninh.duy1.name.vn
www.zoncn.duy1.name.vn
www.aemedia.com.vn
webmail.tankymineral.com.vn
www.sanxuatphimquangcao.duy1.name.vn
daynghebachkhoa.duy1.name.vn

Certificate

The complete raw certificate details for www.daynghebachkhoa.duy1.name.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArXLJR8YkKRVa1u3wU16s
QvUN127S+/OiuLwABx32PCPiOqrqA/aRwR7JH4iqxoqG7+WvFSDlwoov/GAtgT9Y
xrs8zdM1NCbIctT+Mk6+Xel8Ej0c3F3RWFXMGXZI7uH57cz8GFu2zAK/7Wk2VWeQ
Cg4F5bjjQC5kaq6H4M6NIcjgf4LIENHp0rrsT6H67KeYHRckliBnIdhtwTenAVXh
AgFrAOtyK1wPmOfBQaNkJjRAjs+TiUfYMLa4vQ5LQKYvWdTK5nMepx4NLZNjJrAR
KCPbt3JOxFTmahNeZhwX1GF+LUhxI+m7dF3t+SSNSi3AIPY9y3Ueh9E/RQqw+Dm0
oQIDAQAB
-----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 309267417328612706421460104115083122181066
 . . . . . . . . [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 2023-08-09 11:31:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-07 11:31:07 +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 'www.daynghebachkhoa.duy1.name.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 21895829969340862251403398253193086423324316458750823298005239766468998331621155063878615066962856153710164954944718258967567487027807004843544182916843593428813216775577456636215571127309972194522559614260603227391536651931055937950999299805079708810572903801036801797599314391470440928961365923779751979378753571026130836518545687568316354478235976397895914700132896340203664107429461594877241080496281708681929292858667369917796457640457855453511107293484586152942752625875910800140370448580899507327323253331373404205798918969439962000008392978136007921999263303627951791016358463458162002688417307277578708038817
 . . . . . . . . . . . . . . . . . . . . [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)
							b340f7266ee37f0cf6b06655a5ee2e4732b3609e
 . . . . . . . . . . . . . . . . [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 (136 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'daynghebachkhoa.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'daynghebachkhoa.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.daynghebachkhoa.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.daynghebachkhoa.duy1.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.daynghebachkhoa.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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189da478a05000004030047304502206529e973f559ba20bd4810d13683ff9bf6a1e7baa6274396108c94288b3585f7022100fbf0ab1c20b5426175a5daae7aad0422fad902c33bfdab22dd782d21cf9ace960076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189da478a24000004030047304502201dc8a2116840c431ff110459cb2f6979d28dd475577f6c06616169c93d26429302210085d6571c669e67d4fbfe680b354e874d846bcf8607ec1ccbcdfa8b2dfeb1fe7d
 . . . . [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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