www.hongminh.com.sg

Issued by R3

About this certificate

This digital certificate with serial number 04:f2:69:04:67:59:b8:fe:18:ff:37:78:53:ca:a4:42:82:66 was issued on by Let's Encrypt.

With 12 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=www.hongminh.com.sg

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f2:69:04:67:59:b8:fe:18:ff:37:78:53:ca:a4:42:82:66
Serial Number (int): 430937068326849693117499268557247854314086
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 64:fe:fd:c9:c1:ed:b7:96:c8:2b:c7:9c:13:4d:d5:df:ae:d0:bd:51
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6a:75:81:9c:de:89:be:c2:f3:26:af:00:60:63:21:f5:e4:cd:ca:a0
Fingerprint (sha256): c4:7f:09:af:07:f8:f3:b8:ad:d4:19:49:24:e7:e6:47:b8:0e:fb:87:e6:11:ce:53:a7:5d:53:36:3f:9a:fb:ee

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.hongminh.com.sg

12

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.hongminh.com.sg

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

autodiscover.hongminhsg.com
cpanel.hongminhsg.com
cpcalendars.hongminhsg.com
cpcontacts.hongminhsg.com
hongminh.com.sg
hongminhsg.com
mail.hongminh.com.sg
mail.hongminhsg.com
webdisk.hongminhsg.com
webmail.hongminhsg.com
www.hongminh.com.sg
www.hongminhsg.com

Other certificates including the domain name hongminh.com.sg

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.hongminh.com.sg in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxmvOspCmgOF7OLgbUm1D
GZBESdeBe65/0W4L70wS+i3ST2mj3nYk2FxdUndpzJpjMpuxgAKGxC9QVosr5Mzj
174RWYkfYzbZ6yu6ZGJ85emnFK4ifmkpeJxPPnBGg9oL4cd6NmQdTQW5OjZbqn1k
jm+oeBSVd9JxWhFRz84JGjD1j42tQ3dRn9zoz159RRzwandSxRrV5puPnrFLSeWx
Gh6BB5MgkZwJkTjDOoTjWXQVho7Wnik2qq3tPd9Oh0gabozRzimP25Wex0+f05fW
vt/hfRDr9aaFS3YXstwbnvnC7ZUuYmraPBnNuJDS0ooe5dzpCd2tOrHSFJXaN0yU
QwIDAQAB
-----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 430937068326849693117499268557247854314086
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-23 08:47:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-22 08:47:27 +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.hongminh.com.sg'
 . . . . . . . . [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 25048346199596694494622256833332008764526911058522914294482827934125942976803890552294235450468677253762966397409196276058535958734532144981189364116554148626757580043020047095608453850349522736380731503766091317149756420870701061753954285425464975623423709412225360318206538998906004545799659491710880776895302188073473345579927549915583589884635364090358106713743600958934492464913044652677987806608103068315956558779349397279380433249016559862580060303648573100111755509057278131791349431347393082698444656939944566595901843679926801488688477607494760495025770210992146938410072379727848158134681631346636664640579
 . . . . . . . . . . . . . . . . . . . . [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)
							64fefdc9c1edb796c82bc79c134dd5dfaed0bd51
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (276 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.hongminhsg.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.hongminhsg.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.hongminhsg.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.hongminhsg.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hongminh.com.sg'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hongminhsg.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.hongminh.com.sg'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.hongminhsg.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.hongminhsg.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.hongminhsg.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hongminh.com.sg'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hongminhsg.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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ac16fddf6000004030047304502210092ad01c587e09b3253d4bd6a31244239e3e6b0ece6b55626e42cd796dbcd2dfa02206a4a269177f46167b9b119dd56e8c6dc04ad9449e8df0983ce9a6edba12297cb007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ac16fddef0000040300483046022100f6b4880fbac2e3f3cf6c19a7501569820d2592ce6c781f46af8780c264cd2f2a022100835e1af291f023b639af9670524d800d8e362ffba967fd6c4c890dfb614d801b
 . . . . [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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