DV SSL/TLS Certificate for thinkingschoolnigeria.org

Certificate is witin its validity period

Issued by Let's Encrypt (E6)

About the thinkingschoolnigeria.org DV SSL/TLS Certificate

This certificate with serial number 05:b7:f2:8a:7d:27:d2:88:e4:d4:7e:cd:5d:f3:02:d6:c4:fc for thinkingschoolnigeria.org was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for thinkingschoolnigeria.org provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:b7:f2:8a:7d:27:d2:88:e4:d4:7e:cd:5d:f3:02:d6:c4:fc
Serial Number (int): 498155495055735655635480976303735602332924
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 1a:08:e3:ad:51:09:38:7b:b8:69:d7:37:79:b6:0b:49:47:11:e1:ce
Authority Key Identifier: 93:27:46:98:03:a9:51:68:8e:98:d6:c4:42:48:db:23:bf:58:94:d2

Fingerprint (SHA-1): ca:a5:71:2c:0c:bb:a1:a8:02:2e:82:b1:3f:ef:0b:60:59:f2:0c:cb
Fingerprint (SHA-256): c3:fb:5c:54:4e:39:c9:ef:8a:a6:42:9d:25:29:4d:40:99:f2:8a:54:e0:e0:ef:b4:68:30:b2:3e:8b:95:87:e4

Issuing Certificate URL: http://e6.i.lencr.org/

Revocation Information

CRL Distribution Point: http://e6.c.lencr.org/125.crl

Check the revocation status for certificate thinkingschoolnigeria.org
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for thinkingschoolnigeria.org

Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
ECDSA with SHA384
Key Usage
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for thinkingschoolnigeria.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAErM5u8i49hszoRlpA5ZE+N1rY4a8z
PnHDtPrmgxkH5T3Da2FgQuZy8n4yVsP7J4zYx5aaXQR4lZ/R9zNMKiH5PQ==
-----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 498155495055735655635480976303735602332924
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'E6'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-07 20:50:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-05 20:50:46 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'thinkingschoolnigeria.org'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004acce6ef22e3d86cce8465a40e5913e375ad8e1af333e71c3b4fae6831907e53dc36b616042e672f27e3256c3fb278cd8c7969a5d0478959fd1f7334c2a21f93d
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (1 bits)
							0780
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							1a08e3ad5109387bb869d73779b60b494711e1ce
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 9327469803a951688e98d6c44248db23bf5894d2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://e6.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (60 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'thinkingschoolnigeria.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.thinkingschoolnigeria.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://e6.c.lencr.org/125.crl'
 . . . . . . . . . . . . . . . . [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)
							00f10077007d591e12e1782a7b1c61677c5efdf8d0875c14a04e959eb9032fd90e8c2e79b800000197e6dd60c50000040300483046022100b772729aa4be55bd69b4b516452869b1f7ad3e841d4486f837ebde611e45d4d502210082447686614bd0d1dad466d04344e33577c9380f671805ecaeea31c640d198a10076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197e6dd60c90000040300473045022077a990a71e6f1a3724ee5a46fb5ddeabf76f4a586c19086e2eb3d3bc6ffb2585022100e71969ca0cb4023ea5f40601349696397b7ee48d28454e9f991bad1cfe926feb
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3
 . . . . [c:0|t:3|false] BIT STRING (832 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 31529731587920195548768043710144398897706322757936833139448217553856757262706486339604382385851189030401427514323813
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 38633252862658867574664064761059522655267042889411681976527850455381158194997257197592943755527878555928065211415399