vietnami.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:02:cb:5b:bd:49:cc:bc:fd:bf:fe:f2:c0:48:a8:9c:0f:3a 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): 03:02:cb:5b:bd:49:cc:bc:fd:bf:fe:f2:c0:48:a8:9c:0f:3a
Serial Number (int): 262287732150503515830377184786875353403194
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d1:1a:c4:6b:fb:52:9b:09:34:8b:65:63:e3:f9:7f:bf:81:ac:76:3f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 29:1f:41:16:f9:76:d9:db:16:e2:9b:aa:97:e3:8d:f6:c3:b7:4a:fe
Fingerprint (sha256): 40:8b:31:a4:a5:b7:cd:b3:f2:78:d7:09:db:61:09:aa:a0:c9:ab:14:99:28:d7:89:89:48:9d:54:9f:29:9f:32

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-----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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 262287732150503515830377184786875353403194
 . . . . . . . . [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 2019-10-13 07:04:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 07:04:00 +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 738943953672151852821268686755315992916355744482000485712876384305316078995207888381263616622297367094729887235375198035508769074847719613406968996504789748483398816373457610819150628791651698895091851897113951947381011152008540981382682762521708024574018974060728948949853475954320291266232472759727525249077798684240184733271522154510484321634682840750568691967000207689035581952539130543525502117350896103234390866673716295986021763372730352003468790176180372713157748599078859322811849018789920568685782357402185600338681984363923975074171344707370234259053184799473422251457281058030276936359006241455288046172243340558025909426384037076992056347736882853696876258644215275674424463692205302552879131386868651513498215259984123393639374492726023080474286250650595775025611782104288786555380893340964511267210218936042924620117995741398643801247193749962220037601250941728610031317307935901203453512291681449086517191562610319043792331758774265139760615033456891950387198139511186953694342905203444028719629859758091235596191014978761776112769817034370407806428974638488664099040646817769746585447360796277265878632962347524970793804847045555252941711584224761692227403327725386681991420403226685299964988673837587017468279927441
 . . . . . . . . . . . . . . . . . . . . [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)
							d11ac46bfb529b09348b6563e3f97fbf81ac763f
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc425477e0000040300473045022040f69feb305aa800f9fb80c44fb3dea1f4270420d85d00e8007191eadf89f128022100d6628c0d7cf498e3f3fe8ce740630b9211846ffe5f4af3ad252e1ea67f39671c007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc425477400000403004830460221008384ae8482c90e7fed48c6747c5b30da4fba2466460024308eb35b99c039e19e022100e17c2787042c4d35d098f3e17e28b96fa8ae67fe9956e532fc1d0dbe71c796c4
 . . . . [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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