ielts.leapscholar.com

Issued by R3

About this certificate

This digital certificate with serial number 03:d3:89:08:56:88:8c:36:5b:15:56:2c:16:e2:ed:4d:c8:84 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=ielts.leapscholar.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d3:89:08:56:88:8c:36:5b:15:56:2c:16:e2:ed:4d:c8:84
Serial Number (int): 333318584744501807113334385288548363126916
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 52:bb:88:55:31:5b:27:e4:d2:27:b5:64:50:34:06:18:be:02:a0:5d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 14:49:74:3a:b2:a4:f7:00:0b:c3:be:91:69:29:cc:01:22:d2:03:ef
Fingerprint (sha256): 0c:16:ba:72:d2:59:e4:3e:87:17:99:cf:aa:07:1b:e0:06:00:b5:0f:c6:b3:09:fa:8c:5f:85:fc:e1:1d:42:26

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

Revocation information

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

Check the revocation status for certificate ielts.leapscholar.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ielts.leapscholar.com

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

ielts.leapscholar.com

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Certificate

The complete raw certificate details for ielts.leapscholar.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAneQc0JBFcmAVeL1avZ61
Q2wqxhYdtl9aNnjl2+mw1SjJDUPgWkAJAPM9Y9Y/YxZ3at9lAjmZ8Qbz4x0SCVNv
wj1OSXjwP/yFq3DM/z7IekHaNnT8Ea2nBs4U/Zf9c6PEMlXZLYXBINPkVssZnwI4
ijEcDDvMLU/XY5SnF3OSu5hzng75sBbLn9tbvDbhCgb0yOZo7CbFHQU/gidDjRMt
ap78EKYRIH1ioQTj+uoUCHxFqOsCxc4X+QNEYsemQHPly7WjbjuNOlx7COt1hkE7
gu9m/NUJQ1s5C1VTjGmU1nWz/XVPAKaew17q3ldjKgGyVVnq7ATApHrE30TWeUOx
2wIDAQAB
-----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 333318584744501807113334385288548363126916
 . . . . . . . . [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 2023-06-17 17:16:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-15 17:16:43 +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 'ielts.leapscholar.com'
 . . . . . . . . [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 19931900374167699925519352415467280514299292400695973795477609350097486199878150806974561566822480685254363738763520935755039248135532390295704203320047416406738391918175348383632819241695256312602891963040237496994139003139231302155717119215159002468877420942590568800072912942442765471013786666753999914603758687887537788922625525567795392659193730580833432270629566058711879044908185119709161191388189467871894129331907916323827113348696232095804334815438389655075617430970133241522967546086575165050064901813491237691482635103338119899773214006265174973367817488385210212676468556434380585660412006544350499811803
 . . . . . . . . . . . . . . . . . . . . [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)
							52bb8855315b27e4d227b56450340618be02a05d
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ielts.leapscholar.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)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188ca92e5d50000040300473045022100e3a70e6b8a0c3c328f91a183da87bf08b37aef52804a9e023645a037364b5ef302207e27582a86a107e85c86809e4273d09a5636454858c57eaf56dc9c0762415b81007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000188ca92e6350000040300483046022100d528f70ced1bede0614aa899252b673b3746361e4e97207142272339f8553995022100fc4f758bd8c4cd1f2c6abe28fd350520fe32195fb1f1cdc5032046a7b72b546e
 . . . . [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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