*.portal.wam.edu.vn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3e:33:03:d0:fb:8e:7e:37:cd:62:05:17:5f:68:1c:b8:0a 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=*.portal.wam.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3e:33:03:d0:fb:8e:7e:37:cd:62:05:17:5f:68:1c:b8:0a
Serial Number (int): 282502174987726096798796405450203713026058
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: be:a9:7e:f6:d7:5a:5b:41:73:08:0e:d0:19:c9:00:3e:37:2b:d2:04
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 78:ec:79:9c:ae:92:df:b2:86:b0:2a:4b:6e:85:b8:7a:c0:5f:b8:16
Fingerprint (sha256): 24:72:2f:6b:3b:7c:03:97:e2:87:6d:e5:38:90:75:ba:85:a1:d5:69:75:12:c3:49:a9:6c:f3:99:37:25:f4:24

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate *.portal.wam.edu.vn

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.portal.wam.edu.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

*.portal.wam.edu.vn
portal.wam.edu.vn

Other certificates including the domain name wam.edu.vn

(limited to 100 certificates)
*.s.wam.edu.vn
www.wam.edu.vn
*.portal.wam.edu.vn
wam.edu.vn
wam.edu.vn
s.wam.edu.vn
demowam.wam.edu.vn
wam.edu.vn
www.wam.edu.vn
wam.edu.vn
www.wam.edu.vn
demowam.wam.edu.vn
*.s.wam.edu.vn
demowam.wam.edu.vn
wam.edu.vn
demowam.wam.edu.vn
wam.edu.vn
*.s.wam.edu.vn
*.s.wam.edu.vn
*.wam.edu.vn
*.wam.edu.vn
wam.edu.vn
wam.edu.vn
*.wam.edu.vn
*.s.wam.edu.vn
demowam.wam.edu.vn
demowam.wam.edu.vn
wam.edu.vn
portal.wam.edu.vn
*.wam.edu.vn
*.wam.edu.vn
*.wam.edu.vn
*.wam.edu.vn
wam.edu.vn
*.s.wam.edu.vn
portal.wam.edu.vn

Certificate

The complete raw certificate details for *.portal.wam.edu.vn in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFcjCCBFqgAwIBAgISAz4zA9D7jn43zWIFF19oHLgKMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAyMjgwNTQxNDBaFw0x
OTA1MjkwNTQxNDBaMB4xHDAaBgNVBAMMEyoucG9ydGFsLndhbS5lZHUudm4wggEi
MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCwPAtekf5lecvMIFpIPMWhqRM5
CYjiey3OGQy9YD4XG3HMVz/cXnRmbKC9ajo7NeHKVszptluXqMV/AwbUU6ltFp/W
i2VwiPZcmGq7Jkicufr+W2nMQflwiPYqJBHxXJ/rs7dSM9bsSH74nve13zLkIFlL
xAVGWs86rZOqwTyQOL8rv6vJzVb8ZeXPo02ZzBCvUat/VQLDuH3Ek/wZaFUIG9Uo
CaZN8KWTB9DaeZGUMvqL/0jQp5AF3oQXgDbx5hobL3FmyU4eg3JVlc7XxDMXWOEs
yWaIw6wEqFQig3l4/3sUjl1E0b8C+QW7fWoJQvLoNfE83iR+qdLH+e2FD7Z3AgMB
AAGjggJ8MIICeDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEG
CCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFL6pfvbXWltBcwgO0BnJ
AD43K9IEMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUF
BwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNy
eXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNy
eXB0Lm9yZy8wMQYDVR0RBCowKIITKi5wb3J0YWwud2FtLmVkdS52boIRcG9ydGFs
LndhbS5lZHUudm4wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEw
KDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgor
BgEEAdZ5AgQCBIH2BIHzAPEAdwB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnm
EHvMVgAAAWky1lM2AAAEAwBIMEYCIQCFesjdsLu21gOSXEIwWEmNk5ti3mVPXFDT
i5HUiHPNPQIhAL3PaFzjcokJVIA2zF30eRFmmN6E3Rrnmfk0F/7BLXXjAHYAY/Lb
zeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFpMtZTQQAABAMARzBFAiAu
VHd8wI4F9vKXf05cq9Xc1SUp2Uto06nbZjD0Jl9KegIhALP/f91CAQThioXqOTCq
Rw+v6a/tIoZNkjtZTabgntmIMA0GCSqGSIb3DQEBCwUAA4IBAQBm5Q6kbPTtA3GV
8V6X1r9yD13s8cjBnmxN8LUrGyd6OgtnA/q5Dv2+zxl3fuZ1qlDgQ/JXnToJB6GT
H2qYDCsPs733cRMKURj/JJA6tGT7s2rtJhT71U/0rCIQ19OFFHp6F8XPZGq8F73d
XTy7dv+LgREFBpRwcUt5vcMVp49Oz69uJBbhC8F3FV/2hzyEbwjK5ZYkpsgTShUE
Tvy9CGuPHoxhwRp/1wppgr5r6cH0q+aT54o3zcRgfGSgSrj8Wuvnv+0+/e9gfffW
YrqjTmGw2YMM6d1W103yvkmUg8+Ah922aqDYViT2/h1I9jgHmfKQSmV5Jr5EGNPc
1wM1wcae
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsDwLXpH+ZXnLzCBaSDzF
oakTOQmI4nstzhkMvWA+FxtxzFc/3F50ZmygvWo6OzXhylbM6bZbl6jFfwMG1FOp
bRaf1otlcIj2XJhquyZInLn6/ltpzEH5cIj2KiQR8Vyf67O3UjPW7Eh++J73td8y
5CBZS8QFRlrPOq2TqsE8kDi/K7+ryc1W/GXlz6NNmcwQr1Grf1UCw7h9xJP8GWhV
CBvVKAmmTfClkwfQ2nmRlDL6i/9I0KeQBd6EF4A28eYaGy9xZslOHoNyVZXO18Qz
F1jhLMlmiMOsBKhUIoN5eP97FI5dRNG/AvkFu31qCULy6DXxPN4kfqnSx/nthQ+2
dwIDAQAB
-----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 282502174987726096798796405450203713026058
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-28 05:41:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-29 05:41:40 +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:12|false] UTF8String '*.portal.wam.edu.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 22247550677016741118694506340835877995190870477582897096419205830208868474006672011710338016816134295576676999038718623789143541331767047886481878843042194382464396154829349900192938892922259387111763936713242083228952435658396798455320185174346708311692371431773384635980421941890386043096757940296107862469978923633850688307327405590350002200246542687929150108100440921616594143183507667821004467972219901865561235794103029857426498432907389938768927483422668205881786845081697649881471320471885115539886009841896404184547701185083384247370524372781498878870440464053977342964025085894472901942785405343066814920311
 . . . . . . . . . . . . . . . . . . . . [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)
							bea97ef6d75a5b4173080ed019c9003e372bd204
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.portal.wam.edu.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'portal.wam.edu.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016932d653360000040300483046022100857ac8ddb0bbb6d603925c423058498d939b62de654f5c50d38b91d48873cd3d022100bdcf685ce3728909548036cc5df479116698de84dd1ae799f93417fec12d75e300760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016932d65341000004030047304502202e54777cc08e05f6f2977f4e5cabd5dcd52529d94b68d3a9db6630f4265f4a7a022100b3ff7fdd420104e18a85ea3930aa470fafe9afed22864d923b594da6e09ed988
 . . . . [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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