michellekong.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4a:c4:23:a9:55:20:a1:fb:04:18:c9:62:59:c0:45:5d:6f 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=michellekong.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4a:c4:23:a9:55:20:a1:fb:04:18:c9:62:59:c0:45:5d:6f
Serial Number (int): 286778466799465794639823135792208961428847
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c8:e8:87:92:26:3d:51:70:54:30:f5:e1:e1:15:4e:d2:62:41:ab:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 50:d3:fe:1b:1c:4e:5d:72:9f:d3:a8:5c:46:29:f1:a6:96:70:63:7c
Fingerprint (sha256): a9:d4:68:7e:06:a7:67:b3:7a:93:69:6c:f2:93:51:5c:64:83:e0:48:0e:4d:5d:06:2d:fb:cf:75:00:5f:b4:83

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 michellekong.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for michellekong.co

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

michellekong.co

Other certificates including the domain name michellekong.co

(limited to 100 certificates)
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co
michellekong.co

Certificate

The complete raw certificate details for michellekong.co in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoRrs6ENJ0g3fhXZrj65d
R2g76NrMSNy4v/dZcfQjpoIO/eRHpzG8FRJ5wz8kEGnnH7RA2qMk+ss9m1dQZIxS
Uo2HYJ/kSDJz+R1nuKN5ZwRiSf+hplePZw5tLT3F+5QCBEJH3+2gbziZrKkvKBBq
2vP6HebL2dY8ufRibyEPwnOqnPFrtLbU9ugPHUnVstySe98aD96guBD9fNrywBn7
GkRLRZofvVyumdKXJRHIPc5QSO7VFGscfoum4n+0tRvs6eAwOFrXN22JXyEgHQ21
xcUYLeBeTq8kBaiePdH4LUSYt0yD78nCWdXKSvQx9T8c6w57cAj+Ht64A6dSevPD
KQIDAQAB
-----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 286778466799465794639823135792208961428847
 . . . . . . . . [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 2019-01-10 14:46:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-10 14:46:59 +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 'michellekong.co'
 . . . . . . . . [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 20337644518525058112798489560279394521320312282532199171221138790336389102894426560350148192907423598348837446986541789369084978623111017860879429196990019882376354968574661163545612898539300723824396639461036025010651907268042629101690768549261862562348251145369752124678217829159866826260395338527551712083293598532893687523185581496425199788751760714369673279583765881400913792195080462263041569521354885842273761853461350011410735991687472084233943607678221806635056452371444803851671853135623069028795046382966370337198441692896592529537430320374308779724789463074274357843683877958504775642846585077686573712169
 . . . . . . . . . . . . . . . . . . . . [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)
							c8e88792263d51705430f5e1e1154ed26241ab56
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'michellekong.co'
 . . . . . . . . . . . . . . . . [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)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001683871f57c0000040300473045022066a830a8568c768ebd379809f721bab43eab50f91b8ad178a3a06ec42e4f2dc30221009e9cef0a3cbcd0513617a9ac1558bc4bb5be885ff91c4a0d2c0207ba1fd14314007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001683871f58a0000040300483046022100e4655d025bcdacbc0cbe8796d72c1ebb09718eb37570973c4d70f1671e987400022100bffff61723f62d6356159d4af037eb6d88fdc1b0b02f0c53490a4148fd90b101
 . . . . [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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