DV SSL/TLS Certificate for vienthongbaochau.com.vn

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the vienthongbaochau.com.vn DV SSL/TLS Certificate

This certificate with serial number 05:99:88:d5:a1:0e:23:48:42:80:ef:18:5f:23:9c:58:aa:f6 for vienthongbaochau.com.vn was issued on by Let's Encrypt.

This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for vienthongbaochau.com.vn provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:99:88:d5:a1:0e:23:48:42:80:ef:18:5f:23:9c:58:aa:f6
Serial Number (int): 487806516030950494415191605253975580388086
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: e8:91:ce:21:04:4b:5f:d5:95:34:43:24:2f:d9:36:8b:d9:f4:bc:98
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 91:b3:b5:67:9f:c5:d4:6e:3d:c3:cc:1e:be:b8:98:3a:c4:4c:08:7e
Fingerprint (SHA-256): 06:1a:eb:b5:a7:19:4a:4f:ea:72:a1:8f:81:70:c1:45:d1:13:2d:e8:c5:0a:ca:f7:d0:da:15:ce:36:9b:86:bb

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/119.crl

Check the revocation status for certificate vienthongbaochau.com.vn
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for vienthongbaochau.com.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

vienthongbaochau.com.vn

X.509 Certificate

The complete raw X.509 certificate details for vienthongbaochau.com.vn in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFCTCCA/GgAwIBAgISBZmI1aEOI0hCgO8YXyOcWKr2MA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTEwHhcNMjUwNjI4MDQ1NzEzWhcNMjUwOTI2MDQ1NzEyWjAiMSAwHgYDVQQD
Exd2aWVudGhvbmdiYW9jaGF1LmNvbS52bjCCASIwDQYJKoZIhvcNAQEBBQADggEP
ADCCAQoCggEBALnrUrJM6lI6w/7hIyUKKNDxseh84RHhdTkJzZdOO+Avypz6j436
xX0/6jjCfhvb6dWKVrAw1xuWc008wwr0qjEAjPsrAXU2dLYF4zgXrsas4BmlmkJb
3ebEaGHfFyb5+eZDo8I6O3KHy3fmOiMgnvOSvfRr+lpCK5GFlUZliQqystBT6C56
Qc+jx194HtQwVgtXYY3Ntkmt9WJPIjY2xf6cbTIPMfGdFCkkCTpJDo4JZQv6JyQz
F8eJpXf3QrkpXBQutCwP1tHTVXs0ZKgA0AJFrABT1x90c0ol5UN/vBR+J9tCyrtL
nkrIC+tzEVurBI2wgjmurxMsbSgirnwzt50CAwEAAaOCAiYwggIiMA4GA1UdDwEB
/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/
BAIwADAdBgNVHQ4EFgQU6JHOIQRLX9WVNEMkL9k2i9n0vJgwHwYDVR0jBBgwFoAU
xc9GpOr0w8B6bJXELbBeki8m47kwMwYIKwYBBQUHAQEEJzAlMCMGCCsGAQUFBzAC
hhdodHRwOi8vcjExLmkubGVuY3Iub3JnLzAiBgNVHREEGzAZghd2aWVudGhvbmdi
YW9jaGF1LmNvbS52bjATBgNVHSAEDDAKMAgGBmeBDAECATAvBgNVHR8EKDAmMCSg
IqAghh5odHRwOi8vcjExLmMubGVuY3Iub3JnLzExOS5jcmwwggECBgorBgEEAdZ5
AgQCBIHzBIHwAO4AdQB9WR4S4XgqexxhZ3xe/fjQh1wUoE6VnrkDL9kOjC55uAAA
AZe1GyIVAAAEAwBGMEQCIA2Lib95ih3yIsHxl1RBJcm+v9Lnrs/O8BS2RRx+0j+m
AiBztsxMo2X/Cki43bZFggMbIFWKr6QyKsDpVjZwHeAzgAB1AMz7D2qFcQll/pWb
U87psnwi6YVcDZeNtql+VMD+TA2wAAABl7UbMrEAAAQDAEYwRAIgW6ILIUS3vrgO
E5YbzDeMqzUFq/kV/Ln9Qt4vdyNJpgwCIAI7XgnpB0kELVy3n1a3ukF1MiXkntVW
GnhUwMQh2iD0MA0GCSqGSIb3DQEBCwUAA4IBAQABbYqI0gIroxlknAGuvU5xT5Rs
EqR16ew8EoH/EyWvJ2KmLZAX0S0fmaFYM7xelYjsUyCy41rqcXLM4Ohu/2GKotBd
bJWNAQPmZ2+LiJaHNTBWvUzUg5UEBZxcaZj7ZWtOiMfrAEwDIA03R8LvjmgpB2+w
LCNW4NFyYpkZr2DCR+f0r+6sngr3/Dp4mHtijPWURICxvoaTDEO4I88Ii/6C5zzl
IqcQJzOnEw0qAd13koJlscIUF3mr1smWluXA78pbjqhuwZIQcb9cfdQxfRYcZn2P
AwAfF6Oh6ADYDVr4SEe1nu9orpBYlSpu+hz4P5/JRTaV2vXYLpECXQ3ERi37
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuetSskzqUjrD/uEjJQoo
0PGx6HzhEeF1OQnNl0474C/KnPqPjfrFfT/qOMJ+G9vp1YpWsDDXG5ZzTTzDCvSq
MQCM+ysBdTZ0tgXjOBeuxqzgGaWaQlvd5sRoYd8XJvn55kOjwjo7cofLd+Y6IyCe
85K99Gv6WkIrkYWVRmWJCrKy0FPoLnpBz6PHX3ge1DBWC1dhjc22Sa31Yk8iNjbF
/pxtMg8x8Z0UKSQJOkkOjgllC/onJDMXx4mld/dCuSlcFC60LA/W0dNVezRkqADQ
AkWsAFPXH3RzSiXlQ3+8FH4n20LKu0ueSsgL63MRW6sEjbCCOa6vEyxtKCKufDO3
nQIDAQAB
-----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 487806516030950494415191605253975580388086
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-28 04:57:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-26 04:57:12 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'vienthongbaochau.com.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
 . . . . . . . . . . . . . . . . [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 23470128531315363673409706068566737085792577563043799058969733517868182564577030946454948841597268564326289279229776349422259411317223964837212132545343436260701878964730244391258771474671033159914175735231029650247535016456732455357298158381446216501662564345848210229735075830240008569058546821638061095418227848146591649580723528527951449612490656849166440340549862627820405494493959876480917113111462761668764105104508331888211420257280508212960999683421103615125731027459384501928360216462532655721286701629146429134610185787599987507384095621232502132834532889743830117896101985590765609073578082555367192246173
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							e891ce21044b5fd5953443242fd9368bd9f4bc98
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vienthongbaochau.com.vn'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/119.crl'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007d591e12e1782a7b1c61677c5efdf8d0875c14a04e959eb9032fd90e8c2e79b800000197b51b2215000004030046304402200d8b89bf798a1df222c1f197544125c9bebfd2e7aecfcef014b6451c7ed23fa6022073b6cc4ca365ff0a48b8ddb64582031b20558aafa4322ac0e95636701de03380007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197b51b32b1000004030046304402205ba20b2144b7beb80e13961bcc378cab3505abf915fcb9fd42de2f772349a60c0220023b5e09e90749042d5cb79f56b7ba41753225e49ed5561a7854c0c421da20f4
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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