crm.vuonan.vn

Issued by R3

About this certificate

This digital certificate with serial number 03:82:50:38:07:83:52:0d:47:bb:e6:04:4b:18:cc:17:d4:ec was issued on by Let's Encrypt.

With 2 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=crm.vuonan.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:82:50:38:07:83:52:0d:47:bb:e6:04:4b:18:cc:17:d4:ec
Serial Number (int): 305680194655670761750815362105171439506668
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9a:29:0f:ea:4d:92:a4:fe:57:22:05:d6:f0:22:95:19:79:b0:d6:cb
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5a:0c:d1:63:00:ea:04:0b:c9:7d:e4:a1:f3:a8:9b:28:ff:65:48:f9
Fingerprint (sha256): 54:49:ae:59:e4:c4:77:ea:b6:40:a2:82:34:9d:29:22:be:49:65:23:e3:3d:ab:38:85:0f:73:e1:25:d7:7b:3e

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

Revocation information

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

Check the revocation status for certificate crm.vuonan.vn

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for crm.vuonan.vn

Public Key Algorithm

RSA

Key Size

3072

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

anhvh.vn
crm.vuonan.vn

Other certificates including the domain name vuonan.vn

(limited to 100 certificates)
vuonan.vn
anhvh.vn
crm.vuonan.vn
air.mogeia.com
anhvh.vn
crm.vuonan.vn

Certificate

The complete raw certificate details for crm.vuonan.vn in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEfjCCA2agAwIBAgISA4JQOAeDUg1Hu+YESxjMF9TsMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMDIwMzQ0MjlaFw0yNDAzMDEwMzQ0MjhaMBgxFjAUBgNVBAMT
DWNybS52dW9uYW4udm4wggGiMA0GCSqGSIb3DQEBAQUAA4IBjwAwggGKAoIBgQCD
cafkoijK+zM9r18qjwZFQdjiFAxfjm1/H28kLYIOTuIFxjzVfrUY4XAjoMaSAjMT
QAq1g4RxsuUpl/uAVaIUhnh1meCNVDsGZmtyk1cKJLMrOsESTqQXxJfT1o2WUAUb
ocE3g50wU1IJ55V6DBroOa7bj7T2cg8n9PQOZrQrZnBmprcIVX4GsubMpjjkFomu
XBmQKjvmo2ILqb3M3RF1/2G34T6FjcMD3RrD1y7NjcueCQJF5+eTxf4/8bSB/hhy
vGklix7oAubmEszOHC+gZS8RZCttGVBAYuF4oZBnxGzbdiTaMjd9bC6DOZRIcgV3
T5CvM4cYFsHwqcAStJ+X/GDbF5gZOWo3K/eqeqVrSt4ryJAlSu5Aid7tTpwzObaw
u3y5OV7kG+uBFzCbfQRFBfzbGTYk3zZopI4ELJd2cCj3LKLdyF0ObygfpqrlzTiL
wT1etz63ir13/HQvHiMrrDgc+c/0VS+Mi7HDOC+cpwWQ+M2mvd2stZlYnxh8ftcC
AwEAAaOCASYwggEiMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD
AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUmikP6k2SpP5XIgXW
8CKVGXmw1sswHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYB
BQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5sZW5jci5vcmcwIgYI
KwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wIgYDVR0RBBswGYIIYW5o
dmgudm6CDWNybS52dW9uYW4udm4wEwYDVR0gBAwwCjAIBgZngQwBAgEwEwYKKwYB
BAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAJGBl2nspzOGdvJ+JYgj
jP0hTwjkaMXDpCQYrBgzFGiMQDS8lBOh7pmX/t7x+RKzKY7ay3ZxIRPqBm73O7aL
+xxdj6tjzXwHVf63OjhmDgh9WiElxax/gXK/zLrhQGs+mNfDcvly+8HbmeSCyELq
hrib0qUgEBPgESgrxYz6cURIvtn7NRMcrkT33qTyqEyDM+7lPPSBUGW64jIEfZL4
yccRlPYR1c5PRCenRJaaNlB+suzUOIojda0dIXNgEmY9yK2gOU4uhHN7b0YBZ322
KWQLBk2BV8VV3F1CLc+gwkiPgHaNxVJtoZS6Dr3Bof79qJMYvOAgkO7+sCNjgGtd
Djg=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 305680194655670761750815362105171439506668
 . . . . . . . . [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 2023-12-02 03:44:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-01 03:44:28 +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 'crm.vuonan.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 (3184 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2982959629305407266157791872808169641009155902917945081747768197951124489072429780494196008433361227976651864457557421671562911912816674612548987036825194843150454207847464774048408952680354347190614685920671132974023760273579319680913595559821806305233655676839878791107510035539340936238001210284475788000051389091766460388252927500946430495445785196738956462257502995973178788446141143126137471249935127902880774773263989353560650659983331863653354645162265554799302131107639666797914906375750025070377580768013065798219209615655128904448950516835830000922994212728297370904619839336934120120504589689668222000600541129625252825028924102370583167507812574685210064266412221674105545071183744346307612307521114407424788733441988765392270594404149850965646557360461622630482569327064750979673808497211844468808036614976786228266177390002513446770539434035829309551607283817143192326727127394295385567863460778934824616099543
 . . . . . . . . . . . . . . . . . . . . [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)
							9a290fea4d92a4fe572205d6f022951979b0d6cb
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'anhvh.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crm.vuonan.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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