DV SSL/TLS Certificate for michellekong.co

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the michellekong.co DV SSL/TLS Certificate

This certificate with serial number 06:6a:e6:11:a9:6d:dd:53:30:9b:79:26:09:40:ca:91:70:d6 for michellekong.co was issued on by Let's Encrypt.

This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for michellekong.co provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:6a:e6:11:a9:6d:dd:53:30:9b:79:26:09:40:ca:91:70:d6
Serial Number (int): 559049460628689672238440891948726450483414
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 1e:a8:30:19:8a:7e:db:ae:a1:31:b8:b8:f7:4c:77:7b:0c:1b:c2:05
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 03:6c:b1:79:7f:15:58:46:25:9d:5c:0b:c4:1b:27:40:99:f0:26:7f
Fingerprint (SHA-256): 50:8c:ca:3d:68:f2:f9:24:cb:07:20:54:16:5c:62:7d:b7:c7:58:ac:6a:3d:d4:cd:89:9a:68:6a:b7:47:c0:64

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/87.crl

Check the revocation status for certificate michellekong.co
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate 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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

michellekong.co

X.509 Certificate

The complete raw X.509 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 559049460628689672238440891948726450483414
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-29 18:43:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-27 18:43:04 +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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							1ea830198a7edbaea131b8b8f74c777b0c1bc205
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/87.crl'
 . . . . . . . . . . . . . . . . [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)
							00f1007700ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001971d90733b0000040300483046022100eeef49092f7a924d90d49558e7a413b75d8281b945a8ee12e4be3ad490fd2e2d022100807d8d30aa8d56f7e7f553f917dd36d9b653864c8938b56542660b305c103e44007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001971d90830a0000040300473045022009131b6ae96e8f774cdab9bd2c5819eab427eac9c589d51a011c4a5a884bdc84022100e1c355ac2134936076cab820d3a7669ee19a05e9d398b66794ac5c71374d20da
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		00b7e0889018062df261f10ec39ed533ff18399939c4902a358ac0efd7e34d9a451c19059af98808578f2b44f102a9e019265701008cfa4dcc19e518e8d84b4460668d17ce0e65a0badcb212cd3cef997ca4db5acc16d0c011c6e97c02decc3fd779d706263413528aeb21b58035d008903e23348792fb7d5777a10d841d3a92b3c2b5f580d460f0837e1b182350af0fd1d61a06ccdf614756261751a7411212c2cd2ce918967b6610b527955fc1cc0f704d403fbe9281a3ad5171b989b70340fef38db708e6f1b44b2309f09e3668ee541a7e42c6e5358281fa64e0dbca8d3f9dd24109dd09fa904fbbebffadfd1c131bdba1edae62985de99fec5c24c2c1de65