www.vietnami.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:41:36:4b:40:2e:35:9e:7b:70:d6:c1:63:25:9e:af:6d:ba 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=www.vietnami.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:41:36:4b:40:2e:35:9e:7b:70:d6:c1:63:25:9e:af:6d:ba
Serial Number (int): 283527380680913820042295677909151551286714
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ce:46:2d:57:2c:86:63:7a:ba:69:a5:3d:f9:36:b8:c2:d3:b6:78:b7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 45:64:58:7e:75:d2:b4:9c:b8:3d:df:33:ef:ef:df:b1:15:bb:15:05
Fingerprint (sha256): de:5d:0b:08:50:e9:7a:e8:cf:a4:a9:65:3b:1e:e1:72:47:ac:a4:79:fa:51:81:58:86:46:29:b8:7d:70:99:3e

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 www.vietnami.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.vietnami.com

Other certificates including the domain name vietnami.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 283527380680913820042295677909151551286714
 . . . . . . . . [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 2019-12-11 14:19:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 14:19:10 +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 'www.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 704843042277639617933039153045200188658534916889262722737264341735864313474212021580426074193455869028690251259732856805018704203414818212624254833113196558937294329931736334481126589240282936401289947035338286172747063722646968894492628719878567996799622632620432870567466368428458489560996378387786257865855944158536078502796183010513997848139898528464783484656966812158608978184523468562512672433319514974927322073017134206108322788358877597366060157553099115000044500965528072409490506356572524593408548550326098916999385802272869828748731856175566854372281659618121791224000508001651077265649645420839485033713294454308550716266721368496055652139899920157283307886419445071445522421658064599159312150621464862418494312160439229802674316607245167255522721969745995063909235161272945530442521207058851048702042071066452255346840932642698670174506799947907998523667773335819851021200430361452234043191391033753192376904923365470757715551691311568594551932032542237266297780719823150411671956172505401075071620551720603763501389115879142276647013424166617299263763046533643055503270061088568373948930418439721728165168015103034657967199738050935202229811503129766513253144632414980072300566071265387247911799308311599762493176676927
 . . . . . . . . . . . . . . . . . . . . [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)
							ce462d572c86637aba69a53df936b8c2d3b678b7
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef58ae2890000040300483046022100a910fea11f492503a9bdd3fc0ebd560d3673ea8302202ce7a0fa2f4f060fee4f0221009acf3c6d877c6c0e55fc1767f15233b12631506e190e60f29bb42b07cf61c4fd007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef58ae4720000040300483046022100de3defaea92bf26f0347c3d7b3fee2ea8e78ed4a7aedd81bb36ac934234612fb02210086810850701c3915a1ad9adc41bf3b3ddbb45f779774c34437885122204db208
 . . . . [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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