maychietrotthucong.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:c3:6a:04:79:c4:27:87:26:0f:69:a2:82:bf:e3:72:e0:cb 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=maychietrotthucong.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:c3:6a:04:79:c4:27:87:26:0f:69:a2:82:bf:e3:72:e0:cb
Serial Number (int): 414945126683077137378442815328504392114379
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5c:7e:03:31:11:31:b2:ab:0b:2e:bc:b2:eb:46:ce:45:d3:b4:47:d2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f8:72:2b:82:33:d8:1d:b2:0a:e5:66:41:d4:64:a8:3c:3e:b3:dd:6f
Fingerprint (sha256): c3:4f:94:0a:d4:af:ee:94:3b:64:31:6c:92:f6:48:94:2e:82:24:92:d5:fb:fd:8b:83:f5:98:ba:c0:87:34:98

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

1

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

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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq3gbj+cNM5fal/WfZbDT
vNVWAU36Ktbe7nw4zCt0JZV83ZsfZGh3/N4YXFwPmq8oZ0OiOE+GZxU/8rZ/NZHw
oIWQSO81UQQHFJn1Glgp3vkupSIcHzxThPz/aNiC/YBG3g94BvSZrbmiW9vwW5Ni
UuhbVaxmiKXqp3jCc0+3q+G/QzloqUNRHNG8JoYPF/P97SY7uRHJ4xbzeCX4h9im
6IBr1gTcs4lahnx6v05eHxmfVD1VEpHk7RnrG4Xcf425kmk++dk9GCfL8e/ZLba4
m61W8aaP0RboYeWpQuXdgQULuKv1GaRtWxsFqCeHWS+VnI+doSrWNjapTpKI5o2n
pQIDAQAB
-----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 414945126683077137378442815328504392114379
 . . . . . . . . [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 2019-11-14 17:06:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-12 17:06:00 +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 '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 21645977446006650471211330349730764017824971311993338474785106629684710216707598868714018500447560861425365498470851888937472052457004690386044665807279358905984353703961960647454138212902810229571902492622442838635740670459538785475975558528012720024955040737611674366628270592153375590632749985448172841730730950545158482165969406726434749713020287075449791074779071747135922154598844640182579596584171996369414634095671710369723852225964754739228290725226590237886980733276017899852416087218844120883022948177481696835008619688184353154412073753709348599182561144879843462579923990037663955553568212598905031731109
 . . . . . . . . . . . . . . . . . . . . [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)
							5c7e03311131b2ab0b2ebcb2eb46ce45d3b447d2
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e6b17ee260000040300473045022100cd4db018337a1bf8bee3d3f311fd066ca48e18577e3dc818afe187386a13d918022042065292d49f498506c830fa207955d7a44c99a258548f981c0d833b41835bc7007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e6b17ee210000040300463044022054760ebb4558db619875db680f404f65493cf5c10df710de1387a4294bbb76400220786259452cc374f15bb5ff1c3e1e5de7680a651795c9b2c5a6585af61f1a6268
 . . . . [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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