maychietrotthucong.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f2:53:05:56:17:38:d7:3f:e2:c9:ac:a4:57:44:16:49:e7 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=maychietrotthucong.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f2:53:05:56:17:38:d7:3f:e2:c9:ac:a4:57:44:16:49:e7
Serial Number (int): 343795544221409353822763045590045415590375
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 14:79:2f:68:a2:97:84:6a:42:ad:f4:d2:33:49:d0:b8:d3:96:71:4b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ab:56:cf:10:d5:b1:88:8a:4d:aa:24:6a:2e:99:7f:84:32:61:d6:7f
Fingerprint (sha256): c7:1e:79:e7:3c:cd:0f:8e:c2:0f:aa:33:ef:8f:f3:40:dd:cf:85:02:20:33:c4:b9:60:ac:0f:02:58:92:71:b7

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 maychietrotthucong.net

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for maychietrotthucong.net

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

maychietrotthucong.net
www.maychietrotthucong.net

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maychietrotthucong.net

Certificate

The complete raw certificate details for maychietrotthucong.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzkwN9ZRgvGCJ9RUWN4dZ
OMiI2HxbdOCk4Ms+bQMt8/ahfnKq53uPFYFsTj8/XrIegFzFQ2z/wcbOZTWRlu5I
egCuT82uBLA3oM/jvh3GI8Ek5Y2cZ9fgvxzFi7R0yHZUvIrZ6m2veRiqn3wSfp8y
sxlNYZXzEnH63LvIqLZSvRgscrODglzHTDXDYrheyqH7DAXtWESPKvsHo/7ThrBe
VUKA1DKRggw1nGLhryfhPJJy2j5UuLDXWisyXjYbV5WZBkRPUZRmQHXaLeHMxwC4
G4XyfmM6mnGKbAHXjrhk+mu6UnFHGXTd8MMNVCcpAz8OpE7CId4S959rXMDkfZxT
9QIDAQAB
-----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 343795544221409353822763045590045415590375
 . . . . . . . . [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 2019-02-14 20:50:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-15 20:50:19 +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 'maychietrotthucong.net'
 . . . . . . . . [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 26042594708799075573528354851224353662732974213274543317803215002597756729250058874800675296626071359683213994253481732168408543746436309736737015620411747185857368434514319393125751588381148861712016297416308043722220466419524103374251945078257486634460497907477761779706041859673099482173107233552439277576099249339719444374081500036554486557430871006119879898915987855129367076858370304160808601025478394807566136778969562032003400525764393894928038387875198123636740136896552167947313187115894496382454023486713750543784879573369016579056704346939247572520893417676530326530117055558402440667814778265102150554613
 . . . . . . . . . . . . . . . . . . . . [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)
							14792f68a297846a42adf4d23349d0b8d396714b
 . . . . . . . . . . . . . . . . [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 (54 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'maychietrotthucong.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.maychietrotthucong.net'
 . . . . . . . . . . . . . . . . [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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000168edfd3011000004030047304502204ec6a9fd30759c8ccd90d63161c68f24d50bbd21f7847cebbeb4b82406bcf6c1022100ab79313afd58420295666cfc53f4445379abe6220b746bd4d2d5a807a2d4fb9b00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000168edfd30760000040300473045022100fe93382c5b0655436d5e599ed5743885a65ce38441dd8a58326138a8a096d82b02204775e5e7d5183db96eccb7c22723b4578a35e8909317a14e92c450fbd73d727e
 . . . . [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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