mummyguru.i-concept.com.sg

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:18:6b:c1:1b:25:be:21:d6:3d:4f:84:f0:b8:94:ef:cc:1e 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=mummyguru.i-concept.com.sg

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:18:6b:c1:1b:25:be:21:d6:3d:4f:84:f0:b8:94:ef:cc:1e
Serial Number (int): 356759150592601537299507995804993850428446
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 98:d4:aa:a3:06:53:57:43:a2:7e:01:e8:29:d2:27:7f:fc:dd:e9:ec
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a7:11:cd:1d:30:da:81:8d:e2:ee:d6:db:7d:aa:9f:1f:07:1d:cb:7f
Fingerprint (sha256): c9:28:32:a7:75:64:fc:4d:37:24:cb:c2:77:41:e2:67:a2:0c:23:08:c8:e4:c8:5d:a3:aa:86:60:fc:d9:bb:39

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 mummyguru.i-concept.com.sg

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mummyguru.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

mummyguru.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 mummyguru.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzUxyxl43IgiqaIhFMP2s
NWj+Ilqgg2h9eA08ZpwHyoAgIEOvYUoWPO5gajTxNpe+zbrRwuqWup7BpMbP15q/
MAyfgkThCTMEqLX/D1ehHBvaSxutMiTfAtkHn9soxfr5Buk/8XF2ypgJRnbf4hQX
SAxMH6KtU9O0M+KPZuT3PANq4SzHif9QPTnfoTQzEESGBVYo0a70gnorqTDyi8sT
1+w2CXZsU6hAotu4A4ATIaEYsQ2N5rtHQNbbQIsJL4wsFzBRTylaSulgarIkLJyF
Xo+nBkHfoZsgEIg41n/5TLTHCyJ2d4LsYXOavFZ6oO9X36387GorTzXqpnt75JSC
VQIDAQAB
-----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 356759150592601537299507995804993850428446
 . . . . . . . . [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 2019-04-21 04:44:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-20 04:44:12 +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 'mummyguru.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 25916550599205141815368180961477902487748942805400702744662015122918663103190798459069507902965751785403873262791358160338772091119140907344222543346481041454938512035736666041645431417667219672586008280797620953012610208834377996174607921867555414160769714602664729957470936579606387334579929835034000934525601418846218590707049164656098275034095468972734502501460580383779558334551396463374120353548266779430292310852504423945641968344400748092176000341162822617597858620065118725128852673824924316820736345818559098698933634845443006037285323439944458295150249600005151860140479506411424281192618583952704748683861
 . . . . . . . . . . . . . . . . . . . . [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)
							98d4aaa306535743a27e01e829d2277ffcdde9ec
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mummyguru.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016a3e6c66f8000004030046304402206b9e6e184a1d561a7d6b11cfbc69adb422a74b510728d30c2db59d1af082268602203e13970144143f7d76992c6ee16a322e32ba55a08e3ecc8636bcde41f61dba9e00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016a3e6c658c0000040300483046022100b7d8a659996e826b98df41efac181078f59d3ed6dac0a8aa26e0ec86612543ff022100f010f4838c213312da4663912fe063d0c9a0218244d50e15bec4bd54f6e08a4a
 . . . . [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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