*.wam.edu.vn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:51:d9:64:5c:9e:d4:35:3d:a9:0c:63:bc:93:fd:0f:87:70 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=*.wam.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:51:d9:64:5c:9e:d4:35:3d:a9:0c:63:bc:93:fd:0f:87:70
Serial Number (int): 289188693099213344107128777932128157402992
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:76:45:80:e6:a6:f0:01:6a:9b:91:d0:26:d9:12:ac:9c:31:81:dd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 66:6d:69:e6:01:4e:38:22:ba:f9:be:c0:e4:15:82:82:36:43:96:16
Fingerprint (sha256): e3:88:17:95:81:fe:ba:de:5e:86:ce:c8:8e:52:57:e2:f4:5b:50:c5:5f:b6:18:96:01:15:ce:75:24:89:00:24

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 *.wam.edu.vn

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.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

*.wam.edu.vn
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 *.wam.edu.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqzs7u+uFJaZRO5ga0jaD
KHefuj0L4bTJYZa0g+ZJ59LJKzqU2txH2dQ5loHSA7Ad38fX0UJO+ksJah97CyRH
TEfHbAjCyJ3QhpQ/Oh/hSWKMIdha+mpjWpuiPHq95yTzwEg3gnSL90V4N/CJBBN+
7TXzlsjfUVZEeuCLlbOuO+gtO/B1go+ZyijT9d2sdWZt4XQK4IQzR8et4WMr+CS/
hFA0SHtqvkEMFAB9eGO0y/karvcDWuk6WUUl6/X6l4cuLeurYwhu9aKnJF/4mRLX
841cbc/C3Z/1mQ8RPul4YfDb3p2ZNyIgkm1JQPBBU+HcA6FABIEkdFBrTBYsFQWF
bQIDAQAB
-----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 289188693099213344107128777932128157402992
 . . . . . . . . [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 2018-11-11 14:55:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-09 14:55:25 +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 '*.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 21615959195903273701645431532023588633906764610123545218952512791057606601081708124914624942777895733395397498951036936486226815218139487785252550049119582552401520348984145538549528885541271343687663597693373666946488876147195482997433092344613978986492742379018386004489938465493540003497165821431716248091776085690281656480476000991231383943287858827218016388283411763198619148535720977337140612982444388046438812983997758942383996035057353803955207521655062468834231051423145576789013558710424523583550956749596526732451299853462230087075314887821255955091710692546531425201828948532435246576052928540375322559853
 . . . . . . . . . . . . . . . . . . . . [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)
							2c764580e6a6f0016a9b91d026d912ac9c3181dd
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.wam.edu.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000167037c20e20000040300473045022100da52200b3337c03550373412994009e169def8991d437faa9e44abe7c0830e5a02206cb7d01be7e8ab85d5a1e42835ccb3c37075ebca688952da486d0446483820d7007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167037c210e0000040300473045022100f084a25acd1c20bfdf85b6bba3bb85977efe1fcab11c2eec880c9bd166c7d8eb0220590fe890358eba3a9909937a412b1446ccb25d2f670ebbbe01aac7881fc4d7b7
 . . . . [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)
		00250aeb87d27260d6111d73e975ed970961d943619aa23a949c23bd4782a5d2fed37c082fb7b4d9d2a678c84d2ecabfb9f8d61fd6a0fab43dd1a585c82a52ea952d5831dc5602b64a637509c562d3206a534b919062cea946463908c3a3c5f36ca0f8ec6f3f9bbf16334eaf057ae4840d413408ea2c20d0ce572bc66f51fd4e2575cd8e111edc144a72da35ede0e9d8f66f52605f1779fd7c72bb7f4441dcaa01758de8cf6d762c681259e84cc67d9d82ff7ca1a75701fa7ab092e8b848869842344fc13b85ebde1d94f791c4d41ee4f118659cb4c447313c33d3ddbb8d2324ffd310308122a70ab69fee3f0d6e44f4caff7a786d5129b5877c71bf72dcdc45c0