www.owen.duy5.name.vn

Issued by R3

About this certificate

This digital certificate with serial number 04:e3:7f:2f:2a:50:c0:bd:60:38:2f:10:5b:fe:df:b3:fe:5d was issued on by Let's Encrypt.

With 7 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:
  • 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=www.owen.duy5.name.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e3:7f:2f:2a:50:c0:bd:60:38:2f:10:5b:fe:df:b3:fe:5d
Serial Number (int): 425862297869770159663199459893785675431517
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4c:e7:54:7d:63:e9:05:8f:5f:4e:7b:76:bd:01:43:4c:b3:3a:84:49
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f0:8d:78:a1:54:d5:ed:55:5b:d7:7d:ae:38:ff:f3:82:af:1f:8d:94
Fingerprint (sha256): 54:f7:fa:75:12:5f:73:88:e0:81:77:ed:f6:f5:05:e7:fc:76:c0:9e:08:26:3f:fd:6f:28:03:59:86:e0:91: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.owen.duy5.name.vn

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.owen.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

mail.tonmatposhaco.com
owen.duy5.name.vn
tonmatposhaco.com
tonmatposhacocom.duy5.name.vn
www.owen.duy5.name.vn
www.tonmatposhaco.com
www.tonmatposhacocom.duy5.name.vn

Other certificates including the domain name duy5.name.vn

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.owen.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwZbH06nNYKsE4aYb4TrR
EkKjME8APk8qatJsqQFJtM7WAfl9F7iCvmyW5H54rPWb8TNy7+m1n1xfv0lQf+6j
GVKYxRUGoHKqbRjF400KoGKjrv4m+gBonGu7jYgZhGnAt3DRbd1Vxqd4UhOsZW2t
o0vqhRS2k18wosdUrkFxTIwX2Q9p+8t71xXv8uXuw3L6j/29ZBr/VOw0FdkGvNt4
nz8P45HF0AwLqxpq+UtpP/9rAX6/cnoibrV9dwAs4+Wh63btWCOW5uuCiLvSM9KQ
KcdKYugAeqadOaTeC49zTWyIQqwBO2L/DhvDzCOzZMaTAcMRgrzrr4E7lmouqIxL
GQIDAQAB
-----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 425862297869770159663199459893785675431517
 . . . . . . . . [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 2023-11-05 08:39:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-03 08:39:55 +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.owen.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 24438345530392114067815339675161999937788469061723650883529893085879897969107041703882884717290781528249088065573080513877529707686553550184413530734475219215456999414150829164901473692624158699596238645592350443179545026116408191197781518751239775292314873119959807133683940116793743064241803650064712706345498828010260031333506829931551980104471486391079032741621308968784964300164358543313547760370811931300635219339230357623352476950271422150272894861703046435418110927853500472889294028877163840290898554606661863312010785438374113743630025252553776845835136583815548300349555598831626343074329252432297927133977
 . . . . . . . . . . . . . . . . . . . . [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)
							4ce7547d63e9058f5f4e7b76bd01434cb33a8449
 . . . . . . . . . . . . . . . . [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 (177 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.tonmatposhaco.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'owen.duy5.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tonmatposhaco.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tonmatposhacocom.duy5.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.owen.duy5.name.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tonmatposhaco.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tonmatposhacocom.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018b9eda6d2c0000040300483046022100f54b4a041cbe7b2818678ada2f1757b49ba5f36f9b4b35599584753b417bf2f90221008774250054839cbd88b7c171d197258d92d779899af238602c267b23ec7f1edb00770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b9eda6d67000004030048304602210096f2e383501b56ee81216bee31d1838b8bafbb59f5d9d41a4222a593e4202ad1022100bbcf28376fc05287b734b188fa164b4ed71a42b41881fef926c5e533ac282710
 . . . . [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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