seduacademy.edu.vn.duy5.name.vn

Issued by R3

About this certificate

This digital certificate with serial number 03:13:60:70:a8:a7:07:e0:64:0f:32:71:51:4e:b2:7d:95:8f was issued on by Let's Encrypt.

With 6 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=seduacademy.edu.vn.duy5.name.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:13:60:70:a8:a7:07:e0:64:0f:32:71:51:4e:b2:7d:95:8f
Serial Number (int): 267930413612300432790501079859696504771983
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f5:f9:ec:14:ad:59:05:10:e5:27:9d:06:39:ed:07:63:c1:44:5d:83
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ef:50:10:6c:0e:f0:56:07:9b:4c:e2:20:c8:dd:58:0a:ab:9d:62:a0
Fingerprint (sha256): b8:d6:ed:86:2b:0d:1a:b3:48:2f:c2:cc:fb:f5:96:3d:15:af:fd:96:f9:b7:0c:42:89:e4:6d:34:5a:44:3c:b7

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

Revocation information

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

Check the revocation status for certificate seduacademy.edu.vn.duy5.name.vn

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for seduacademy.edu.vn.duy5.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

nhahanghoaphuong.com.duy5.name.vn
seduacademy.edu.vn
seduacademy.edu.vn.duy5.name.vn
www.nhahanghoaphuong.com.duy5.name.vn
www.seduacademy.edu.vn
www.seduacademy.edu.vn.duy5.name.vn

Other certificates including the domain name duy5.name.vn

(limited to 100 certificates)

Certificate

The complete raw certificate details for seduacademy.edu.vn.duy5.name.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt93EmwZGdVkLYTjc3UZj
J8hGZ5n7lARkWRjUVqeBORCMT22ZkCUplv2YdVoExwYCJMyXZOOKfYhNgyOzVRR4
z/qBrJqeEPWd0zgSOLb7V5xFXng2aHcZWsu82bQOlRXVkng9otNiQAmIMwjnEn6f
Avqg8y++rOG2W5wRhjgVhdcSHnBg47en61VuhFwtnWzyV3r9NXRVyh0TDd2JukmE
aNGgbB7NfbImfa8EBLgjI+Hvnpd404qe6wWb2OYegMLYRMjVCDdO8zX2b4Bdx6M+
cFuprPasuR0Si8llg34PhehHdWYLn1M9lKPygoHDeLnOWe+vL6EbexdnrnvPqFjq
8QIDAQAB
-----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 267930413612300432790501079859696504771983
 . . . . . . . . [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 2024-05-29 16:16:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-27 16:16:58 +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 'seduacademy.edu.vn.duy5.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 23210967680721244482503833423358146476058155683437575714402318344366672061521379182026457690863910858512006907286134065603068068905583932879162663373763435895184537208150421708426634423202293645812921518104383445935222323507423597916871843915365764217520487394972112199700190159876314769941797576389836302671575070668029595309756551695294935800323111638134430440281865319163440991446508019693075320394007814106100422887399786018998300619095381091997715331610405734251154902480009522812624793842050187109452641116780783925388210132899356881143561541450836094683607853322426546730572710451092382396276277702992332385009
 . . . . . . . . . . . . . . . . . . . . [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)
							f5f9ec14ad590510e5279d0639ed0763c1445d83
 . . . . . . . . . . . . . . . . [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 (191 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nhahanghoaphuong.com.duy5.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'seduacademy.edu.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'seduacademy.edu.vn.duy5.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nhahanghoaphuong.com.duy5.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.seduacademy.edu.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.seduacademy.edu.vn.duy5.name.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018fc55ae498000004030047304502206e539a3bd8f347fbda0d5c5613f3970d050b64611a79a254fbc9a1319d52dc00022100c71c94f649bf330cc79a58cbb39fb5aa7964e945dbff2a89aa8e475c885f1ef0007700dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018fc55ae60500000403004830460221008f1d2cdd0d172e0c0127bd132b62443f8205acd99fa71fe74baa5c4f71cecc38022100d403d97b8a2f0473a144660c88226f9d2059b3ab413302b349233afbcf0bf4f2
 . . . . [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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