i-concept.com.sg

Issued by R3

About this certificate

This digital certificate with serial number 03:62:67:1e:d5:63:46:4e:73:7d:1b:d6:33:9e:15:48:05:03 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=i-concept.com.sg

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:62:67:1e:d5:63:46:4e:73:7d:1b:d6:33:9e:15:48:05:03
Serial Number (int): 294821600334022904198019746283082748527875
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b8:0d:9a:21:57:f6:15:75:66:6a:d2:66:6f:43:c2:98:bd:c1:a9:33
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6d:50:39:15:e7:78:45:5a:36:1f:7d:42:49:f4:27:b0:d2:fe:ee:37
Fingerprint (sha256): c0:7d:0f:a9:c0:42:60:81:fe:e6:1d:5b:09:34:60:e7:88:25:52:c8:73:1c:32:84:4c:a3:53:dc:4b:24:54:7a

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

Revocation information

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

Check the revocation status for certificate i-concept.com.sg

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for i-concept.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

i-concept.com.sg
www.i-concept.com.sg

Other certificates including the domain name i-concept.com.sg

(limited to 100 certificates)
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
mummyguru.i-concept.com.sg
mail.i-concept.com.sg
i-concept.com.sg
mail.i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
mail.i-concept.com.sg
i-concept.iconcept-s1.com
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
mail.i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
mail.i-concept.com.sg
mail.i-concept.com.sg
i-concept.com.sg
mail.i-concept.com.sg
mummyguru.i-concept.com.sg
mail.i-concept.com.sg
mummyguru.i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
mummyguru.i-concept.com.sg
mail.i-concept.com.sg
mail.i-concept.com.sg
mummyguru.i-concept.com.sg
i-concept.com.sg
mail.i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
i-concept.com.sg
mail.i-concept.com.sg
i-concept.com.sg

Certificate

The complete raw certificate details for i-concept.com.sg in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAncnppNZToEfEChU+8FUT
KSAGN8/DMJ50SR1i/oTrfViUUSHsVfKM9iUSrns47wL4kMGH1vWSgRXtxDdPKRNh
ozBpRWVwIIHUIB/N3moAhqTg4fuzE4NE4ZlccfxLZQTQTPUXZuNHDh15GSxJfY9Q
ledWfBYAX0CRhP9kwvkcSdUxeBGa81VPcNH4qYzc9Acf/rPaYszCf7DOaTDZXf1r
PmFi6v+GDer5R0d25zbwd0tlKf6hfiE9gHhqJ4XU8T6rBJKbs+xaFszw+Vx9JOqC
pM8dxWT0HuIDcBOjDgtP4EFFS1/0f9j3KN5FW4LOmeIhBCw6LgW7GWAoAMnOI/BD
hwIDAQAB
-----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 294821600334022904198019746283082748527875
 . . . . . . . . [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 2023-02-21 04:29:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-22 04:29:21 +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 'i-concept.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 19918980728878511176927125202975378559631929644535166958961776948087612772768135021638643815185927480831740480949080316192207899551611608502974424079519923379392105440530538290016694894932572903607436823048140124606629416482196326565569064254322312236979818568383383932181520039671109919240405032773467330864251268462241484557306477874113687185409140160996547979577391137483498324688523201459941289806621622157329572504160998577431641851035056697060151734816362838759353869848169703028140960887467715772605877362209285618801840656952867024892161645890545981064653348981660528164891235832147798878342485464379271693191
 . . . . . . . . . . . . . . . . . . . . [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)
							b80d9a2157f61575666ad2666f43c298bdc1a933
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'i-concept.com.sg'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.i-concept.com.sg'
 . . . . . . . . . . . . . . . . [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)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001867272a7ac0000040300473045022100a9fdb142bef710f381a36c6d6f309faa43ddd2ce6e9a8d6015655ebd353aa986022057f4d0e45fec3b731755025697f235a2871eb75a259ac21cef23ed48548aa0690075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001867272a7c80000040300463044022048d459d570431de6650c7167a2cfe54b122a0cec1048231b3ce3df95561a134802207039364b2aef392a7dfe36cb91b20cb3eb6848ad19348775c62c585b7c601099
 . . . . [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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