*.s.wam.edu.vn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e3:26:d4:39:5b:64:39:55:cd:9d:72:a1:d2:06:9c:f2:e3 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=*.s.wam.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e3:26:d4:39:5b:64:39:55:cd:9d:72:a1:d2:06:9c:f2:e3
Serial Number (int): 338632567680445735344576527842228104393443
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ef:a1:c8:dd:cc:7a:38:86:ac:2b:9c:41:f0:bc:d7:db:aa:53:c0:db
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 50:c2:54:6c:e9:f4:39:1a:90:0b:a6:de:1a:56:0e:08:8e:6f:8f:e5
Fingerprint (sha256): f0:48:4a:39:f0:a6:f8:78:fd:0e:dd:e8:d5:d6:7e:50:f1:ab:ae:46:a6:c0:73:ef:f1:ce:75:6d:56:59:3e:4b

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 *.s.wam.edu.vn

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.s.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

*.s.wam.edu.vn
s.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 *.s.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0bVQ6z/ytX2aV4OEZGfs
dmu1fas5DTb9GiQNtJOCuetT/4B5CEzSDO061X9QC5h0W+i5PuR1KaF4BDh8q6KU
2NirC4Owdq2nVlDM9FWvI7108uIA0Qd3nfpbog8mApJ1lIS0CXV/PLtmEBML0mFg
OyXNBU2WwoTt/hriFe0TS0VNOpqT7/RARJBku4usLF8roZNLLeJWsEAxNjQYtKXc
VuwnrfOMBP61DoN6Gp5yF7FiUGbRcvbHdyEMsS0GvcNMZTQaJ7L9a9OyFih7Fzyv
8Hv5nA+ug+E1Ltq0hnk4XtOaaVmk3irzdNvRNnv/eijl4VS/QjZkTH7fE/l4+3+H
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 338632567680445735344576527842228104393443
 . . . . . . . . [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 2019-08-24 03:02:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-22 03:02:15 +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 '*.s.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 26473216034068715073889195833510356428349383813639262153188785183214404827342591894267264387599488502363296979232375705348492557227207277977289126773771304582046506872605478383938761432784458443879691230003711564982239245120234129387747356143861827059613390127032893206868416077737139496517545301004729655635877255343570408505220956618119552536401283228649562813693825060252811165439276596910375347688023030320351420426704398716764756703839775258406952302749688632454086858943299203385523250821224782994364613167593643372700222832329369806016624110081090987564124286003975584824900534483070603426788345018781001549687
 . . . . . . . . . . . . . . . . . . . . [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)
							efa1c8ddcc7a3886ac2b9c41f0bcd7dbaa53c0db
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.s.wam.edu.vn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 's.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)
							00f1007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cc1c9fa460000040300473045022100a47359f7f0a9b295579952ef953231451e5d085f4eb01fe44c86a22496f4c14b02205c3265576c5422b9b1396ac073d56e045ed6dca13db7565c2dee49069db26593007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cc1c9fc4d0000040300483046022100c1e0a45244a0943adf565e8fdd86fbdd55fb8c34eee43b33af3f4c9c4221c4a2022100c87b99640a54249b37ca669da04d5e6f4ad043646d81c74f435b25b9e74b8908
 . . . . [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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