vietnami.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8f:ac:8d:12:48:5b:cf:21:ba:aa:c0:3c:71:42:f9:9c:d1 was issued on by Let's Encrypt.

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=vietnami.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8f:ac:8d:12:48:5b:cf:21:ba:aa:c0:3c:71:42:f9:9c:d1
Serial Number (int): 310226595964923213265546339785017684237521
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 48:77:46:c3:5d:63:66:2f:8b:3b:32:b7:10:f6:93:14:4d:a7:d5:19
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 36:1f:ca:65:f1:a5:9e:d2:a6:1a:26:6e:fa:a7:a3:82:ef:5c:71:5b
Fingerprint (sha256): cd:55:59:62:99:81:39:90:62:96:49:7c:90:66:7b:91:c8:9d:e0:89:37:ad:4a:f7:af:bc:cd:9e:ba:dc:4f:5d

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 vietnami.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for vietnami.com

Public Key Algorithm

RSA

Key Size

4096

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

vietnami.com

Other certificates including the domain name vietnami.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for vietnami.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA6sJx/91EZx8kbTExHniS
q5JhhUq4H5s6lZ9EUqm6yvi7/wvRuoQQaFPQmbbT5hLpgxvOkqsU+C+xNkKww28P
IVvP0Ypp1Q2y2ZbpzeetpxQc0zAbrQ2++Cuzp7UO0/5851Vcq3Qy4ikVgPbdXl3a
l2SiHWRXsD2Cjt3iSH8N3ukLXFrxAFtApAYB99zKq9mozQuKeGMMs1QIntpcuWtI
SQMcYjgLROC8ooAjkw/KqXrGAQttYeCSwVSD6Rezf4JccKQdUi3hVukUN0UrmDVt
ZsNq8diR4fHQXtY6McFhsQ0dlFkyVP52eaY2fgtNm1LIxetg56dYER51vZq+AgSa
4QS5eut2IY6UZDkcpZit5jxHQurN/q5TbCpycJa8/WPyqycprRyB9uvU+N/krrPv
FO6A5WCWpBTkqVpMQ1Gvl/EC1UY/IR7z7Fc7ckg3fitYSfA5wXkmQacQWaYAAZWc
xtMOzwQrMhZEz5vjKaRDvl7ebpaGJuqVKbaE8MIQ75gE2lU4Cry2FP86CQlZ/Pgf
ad1fBOnGTzDkojCv7Vv4QHJrRKHnXFdYyOUIC3Vl0DjnNLvpw5DeSzBQv2mvsP/p
tt9ldJnhQRRTjjPRR7enK8SnNrwprHzYShCJvCWhcRjXZUljKflJfuQnSmSWzL9x
nU8OgTroQV/a8AJ15wOSS0MCAwEAAQ==
-----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 310226595964923213265546339785017684237521
 . . . . . . . . [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 2020-02-16 01:52:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-16 01:52:03 +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 'vietnami.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 957735413702839078879917595484826063563814386763799680079784748476486347346832813532148878504976560389601655173290637747113187112059393940566195875090194962413854159950150828191323778938773700863347560705887110370762521760718916959404606945230167028874707154935797806790481085156169026086780580930558119365227052599094881771504907362495883653470217939965938883971007921411742427496783824684288893526246728030460329786356444917174229112989525740970223150086322104592293445583531326632476473767936511588893886635639906186034629706024972125082909020562113583001493949418563099250327933275855672738626678348989052617522957041216923175208077005129980061482224866856001596103842780266340717913230472406912246140874069155801961457556709525809669321721432165858705949858387426098227705123357257770489875711854481195715023558040090085157398472906792211646652929714535006355680644312549216808635200123344550875521189562929497496531170445160534802915846491228613394730328294106281746459966288706456170162258643710155333665219127554382164471498129359660188067492147899827419545198705216799581492752293767804885128257003488906927435945538914616973233135940516895332804886261853647194283861194431741168215143199717838882502074506434092736651086659
 . . . . . . . . . . . . . . . . . . . . [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)
							487746c35d63662f8b3b32b710f693144da7d519
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vietnami.com'
 . . . . . . . . . . . . . . . . [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)
							00f0007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001704be8f654000004030046304402202ff084fc7f263f97b00724d35f2f3a45d41a0d7da02b67bfc24346a0ac3d6cff02200586eb9334befc57efa672142cdb28e18bb72a3095109f3ac056e0aff2ff6dd6007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001704be8f66a0000040300483046022100fac3fa2934679b055d43abc683001705e453fd9611f4cbe48e016392ffd5656f0221009f27b5851135a8087afca17bee6ff8c5f46ec709f138d4d3274bc5b4c471ad79
 . . . . [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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