ielts.leapscholar.com

Issued by R3

About this certificate

This digital certificate with serial number 04:1c:12:a0:39:47:ef:7c:e9:32:44:d9:e3:2e:bd:fe:da:64 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): 04:1c:12:a0:39:47:ef:7c:e9:32:44:d9:e3:2e:bd:fe:da:64
Serial Number (int): 358001808034045422493648525202862943165028
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 60:cb:5f:99:cf:d8:05:91:84:c6:f1:56:e7:52:1c:61:96:8d:fc:cd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a7:e0:47:14:5d:e9:c3:86:3c:81:5e:44:e0:0c:8b:e1:b9:f4:89:6d
Fingerprint (sha256): d5:ee:2b:2e:b8:7a:06:de:17:ab:4b:ec:3d:c8:0a:ae:46:d9:7e:f4:f4:d4:fa:8b:f1:70:f8:92:b4:f1:09:b4

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1Zg1bpaWMssVWC8s6C7K
cxNZV/HjqAFu7cRp1F8K38ugG+RyFlqUf1Kev93LeXD5OwEl+4g9tH5r6SX2lFfw
7VGTKIdexhpCxDrzY4iWPr44WgV1y4iPqu78d/oeXMBJaR6zW213vYquogg5EnU+
B0FS/vRsHngdJf0sybCyc3PKi9zSZ6X5zJOdNbFDb6qNb2OyjAJK3U8t4rma/02m
87FwfrKCnJ1Qy5fHHXA5z3hOrH7XrU+zOTlgMMRlLWScLL97/vGdAwzXtMxL1qf4
vew6BTiszv3XfBo0anKrIf/vkk4oADFdFIJkIZkqUFfdASdmQSsfV0MX2LvEdNg4
+QIDAQAB
-----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 358001808034045422493648525202862943165028
 . . . . . . . . [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 2023-09-03 18:16:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-02 18:16:27 +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 '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 26963815874367331646708333877176768586692754706275803667403880931820678343362814258151208065363287458664937745687822843937881216862552655645809687656624649652794346147157366571987490518004655992133339936477579856424199071676986727741625006931607434727134107570421797110059488408423046227608141194658026125467244649361147434961596082370560345586887115010281452443162665321865175975731552424987395084845234451125901863848733094756802530796965472819350614718641339061317708001503138602941182754235029069341599216186599100908696433585107107859146569833902018574577942875886998436350009702319980837207408698081553373739257
 . . . . . . . . . . . . . . . . . . . . [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)
							60cb5f99cfd8059184c6f156e7521c61968dfccd
 . . . . . . . . . . . . . . . . [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)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a5c799e4f0000040300483046022100f699fbda959316f6ea68404659e853edb99642e5e01c6aa4a4498709a7dc62760221008dab647f1b4f8acbd16d6ea6e2116c13e262d84920729263cb7a714a4597f045007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a5c799e57000004030047304502204f134125ab925836f65d2a722354e48e6699d337cf1638a89563707e8a4dce31022100c2573e884c14ee5d80425fbf7955e01ae774b04d4ac2ef7384fbfb3a72c9ffdc
 . . . . [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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