ielts.leapscholar.com

Issued by R3

About this certificate

This digital certificate with serial number 04:6d:a9:df:45:bd:d6:c5:88:50:c4:d4:7d:92:de:2d:09:12 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:
  • 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=ielts.leapscholar.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6d:a9:df:45:bd:d6:c5:88:50:c4:d4:7d:92:de:2d:09:12
Serial Number (int): 385765720549437237114466551193621599422738
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ab:2f:ce:b8:90:c6:7f:b7:a6:79:d4:f0:70:3d:d7:ff:68:5c:7c:38
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f3:c1:66:4f:bd:79:21:67:35:af:62:9b:21:ab:ac:18:e4:c5:8a:c5
Fingerprint (sha256): cc:eb:0d:f4:e1:79:dc:e2:a1:a1:75:df:65:fc:0e:66:98:3e:06:bb:ea:d9:10:e5:48:ff:54:62:52:f6:d3:cc

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsMlPukGrjFLVft4eoDMo
rkju8znYF5aoloJqBuawKdXOPFu7YHaqhAAW2OSBS0ey0vz4mBZI+nMFvDaAJ2Rz
LYCPeDYuccfTT8Yc9MPNZPZ2Veamvk4OYrZ0gGUx3fFXctNUczh0R/yG7NSZBZSb
WFNx5GRp4DnkSW4TdooulmPTZnULIdm20X9oBJvpNWioQxD9nqt681Wp3812UO52
L6w2Tw4VlIreDWIWgJOwYVixaONFA0Q4b0JASj/jM/4ErSj1OTEMw4/C/sL10IAz
sFqcRfX19QwxONcgo5iZNm2za1TAXLFYblix8kDNeNMFb11stzgPagivbFE+r6bP
JwIDAQAB
-----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 385765720549437237114466551193621599422738
 . . . . . . . . [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 2023-11-20 19:17:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-18 19:17:15 +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 22317212042876123982046710285653044655300527618104324378704597437532862853863317600782129190335315275356026250313679653353634911254436419194354442093604730082624344704390663449915113059317683110165014383659649662065013944243857838529543801141458557616721064768036235899259898572961039995141003762050616576751573087833742168654015722524143981488078390531580032953593720935683588063074862237769683715443786498595452143074633705392912532900679053359039803660747501070340560276644284695533180916339059699790617196742187040664455474789372402945029201096856080962368680751804940454130721079536810612825542245685670898487079
 . . . . . . . . . . . . . . . . . . . . [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)
							ab2fceb890c67fb7a679d4f0703dd7ff685c7c38
 . . . . . . . . . . . . . . . . [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)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bee614f1b0000040300473045022100f65110ddd5fbfb7e7295d32a15ee7eccd60539eb99de0e4e0829c4baf473670a02200f31e3c791bab6f48914b804c74c6ad0edfadcbe7648b239d95b0073e3d09ec2007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bee614f20000004030048304602210086416bd98f6079053c21e092afff9baaa171621577d55a35b3662eef7b565b68022100f79c8115ad54756d7c83f9b232efd83d2f30b441033c54bb568f246ee3fd33d6
 . . . . [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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