DV SSL/TLS Certificate for online-security.co.za

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the online-security.co.za DV SSL/TLS Certificate

This certificate with serial number 05:21:ea:46:d2:fb:e1:98:e3:41:71:e1:a5:e0:4c:0e:8c:55 for online-security.co.za was issued on by Let's Encrypt.

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 online-security.co.za 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): 05:21:ea:46:d2:fb:e1:98:e3:41:71:e1:a5:e0:4c:0e:8c:55
Serial Number (int): 447102154858248074794654305372339637750869
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: dc:bc:ff:f3:08:88:2e:52:78:6c:bb:a0:65:d8:9d:21:26:df:4a:d8
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 37:c6:4c:cc:19:34:e9:9b:48:9f:f5:6f:1f:3c:68:93:fe:2e:cb:54
Fingerprint (SHA-256): 11:30:95:82:02:e6:59:57:e8:be:f9:22:8f:61:af:90:52:65:53:eb:2c:2e:fa:3e:e5:ed:c1:34:36:1a:09:58

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/86.crl

Check the revocation status for certificate online-security.co.za
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for online-security.co.za

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

online-security.co.za

X.509 Certificate

The complete raw X.509 certificate details for online-security.co.za in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvoC3v0a3BMdn4oH9nkN3
D+dHZ7BZsYa5c24MX9RRcpYN2lK6PouzH7YI8/YbIXNg3OJnJHOdnDwMlZrt4g6u
boM4uyAhXed2z1RinSePAkljkB1NLu8/x6s+ZGzngasEPURg4RtDxTah47gj4o79
Ip1kLbtjB287wppGc9RD0Jjz8iBxI7hybzcl+kkmxqjMOF6NCub/gAaEWwiG86+w
UbO7xPZEgBQyjiAcqIIGzjiJxO1CrETl0OYe3JEeZ7sBQFGrkBzD8InL5lkKIvon
uIUOnXSuTHEVrIMhfJ2A/fB7ME0tL8SlKVPgEhyNCOBjBSxgpvOeL5/mejqqFlsN
4QIDAQAB
-----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 447102154858248074794654305372339637750869
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-04 22:58:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-02 22:58:42 +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 'online-security.co.za'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 24048751037862068160167397648632040297726784938546745514986216377778465668476314124158233061895822835644676503756029983116340573889751519055091725238647576786240593927133021597107078894707769692553024951346298262370683004996049684885728911204501558356133227944132144010806422769869227610173195364883746170531148437499556205035189797270561352346691272210230247616158447540193371655116450350572367635128456587634590934402818947062468992795455275803581589903113683038115730129924102590742983129880929846141641178116660459899814578979718542890953018990482245492598802057727388916409005042417933952219836342667229070560737
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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)
							dcbcfff308882e52786cbba065d89d2126df4ad8
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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 (39 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://r10.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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'online-security.co.za'
 . . . . . . . . . . . . . . . . [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://r10.c.lencr.org/86.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)
							00f10077000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa34000001973d60a4250000040300483046022100f8884da48919d974cd9fb037692a52879e8da21a998b23c8a4afdb261327799f022100907d339d350ccd5ca489a1c37949928597be9c22ebce85399e5063f17c5f6c90007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001973d60a464000004030047304502202652d6ddec884d358dcd495ed9728062d270d6498df8acd35d4b06670759ab68022100c161ba66c1961228adc019bd1cbf8df84ac700f8aa09e038bc352fda36de66f6
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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