www.vietnami.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2e:ab:f0:11:ff:9d:e7:1c:68:ca:f8:3c:6f:7d:a5:7e:c3 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): 03:2e:ab:f0:11:ff:9d:e7:1c:68:ca:f8:3c:6f:7d:a5:7e:c3
Serial Number (int): 277218391177222191477865762634727694892739
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8b:76:1d:98:95:5d:a7:1a:4e:15:30:7a:14:8c:c9:da:9f:f4:32:52
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3c:43:7a:31:51:18:73:90:59:bf:05:5e:a5:6e:67:4e:ab:12:03:20
Fingerprint (sha256): 3c:e3:73:c3:c7:e3:3c:52:88:0e:24:c5:08:f4:2f:29:a8:ef:7a:ba:58:95:70:2b:30:67:d2:f4:9d:e0:c9:0f

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 277218391177222191477865762634727694892739
 . . . . . . . . [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 2020-02-18 19:24:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-18 19:24:00 +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 '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 769925703246472589448083114762933697193068447639001557239711285122035302197298403136667269831186141274701857330707443638089492014902793543212455091224792185781142989571992711379535838825238994896627584191185799177641897252793786024316085176222490182310538048314667039898764923724069220346663213369622206433203535128886329195907308305774779834677265473181702299165827002897959634316797341010099049464231184069981394102083962350777176913573027081232635497634038535136174780342019139340806579857424719887567463878299471170625537124790966579917851787591893810359793909436393902018901396190430398566812417123780284679121673836739590878227094384175288061612300203290490148288828301352609699407476771265764918881454544731400025932397423618388802202208513919905160233954433153234751964558867694623058129415857522731835393652130832924060709186616048206248197026203649238697723702162844620062756468701570292719959496245843453434397976931053866597993637237867274046050265242194624902716864488397272532131017402787603601908052792684317020211664039211886758748165039537817676291092451715137799937207314549552289063264474840334695081534672353729903816062114044321255385086472134594518733148751602311322860276385806573944173143892607474472519311663
 . . . . . . . . . . . . . . . . . . . . [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)
							8b761d98955da71a4e15307a148cc9da9ff43252
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017059f8c4ba00000403004630440220551fe45f9f02d91d24a0bc1d36804bda1049b1812f6c55334f8b6b038007fd1502201bee727088f6f1f3b7cd5064c3577bc74596896584b02449d5ce9a07690a0174007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017059f8c4ab0000040300483046022100eff0a2c9f384c399581c55984e6a13be14ee18dd87f583379382adf373a5aac5022100f00cc4f323d7e57c6618426f4a940c6462431564c5bca958fcb3969bc6810e16
 . . . . [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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