DV SSL/TLS Certificate for sealflex.co.za

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the sealflex.co.za DV SSL/TLS Certificate

This certificate with serial number 06:e0:44:41:26:6e:23:b1:6a:c5:c9:be:f9:94:ea:02:56:fe for sealflex.co.za 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 sealflex.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): 06:e0:44:41:26:6e:23:b1:6a:c5:c9:be:f9:94:ea:02:56:fe
Serial Number (int): 598987691563318584013458387652095537993470
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 43:7d:d1:51:f7:2c:5a:a7:2a:07:c1:9f:be:29:69:f3:10:98:8c:47
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): f1:28:9a:33:38:26:31:71:4d:aa:f9:ad:57:a9:3e:54:aa:eb:3b:54
Fingerprint (SHA-256): 28:5e:8a:62:d6:a3:25:6a:8e:cd:15:2f:0f:cd:f5:20:21:eb:3c:fa:e3:98:a9:42:ea:b5:c7:54:e1:8c:c6:33

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/127.crl

Check the revocation status for certificate sealflex.co.za
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for sealflex.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

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3QXT5hqGrwBv/hUG67kr
8SLXCV7MqhM4QLNpYeu3WIGz5qEBBvC3RaYiB7yrsq3l0SOjb4BgIR8imRL+rV1+
vPA6k3t8dptxU93CbNUpGKTkwqr7AjlK2OFZ4kOZ96+Hxt6PYRoAcErMM5Lthx8M
Z1NY7jY9Cmdir9UwGYlhdn5h4gW1MqUawDEZXaAlsUJEOoJkpcBslNmpouhwZvyf
llOgfRDi7BnDetk1BFt4G9NeGhZXC3YVlGKDgMMaguA6/jZXkVJ8ZVJLj9nee2FS
QGW2m/i3eqGPCkG5PFgLcYQmD2Cnwrm2tjr9t1Y7LVjvyndWXq9HFy7csdRL1YqZ
oQIDAQAB
-----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 598987691563318584013458387652095537993470
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-15 10:07:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-13 10:07:20 +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 'sealflex.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 27901539158195782586422314783725987795284624584874222679400840978910285801649093083900031551248680080173487757384004029627772907707190306657302464594854029685518089677885734492151680546327664405722054685725948534738609927206015416012717682587608172070008293669185829329119681847780379517080211647762023501566067099971634253154923112511113622799510704944070393884118891022703431533180875788332387582157269607124252676341745373613045899918769438582593244101170996437235415786106161404571016404829526086633436530120375681314933216992285730129150420940570280212074900937935806715117901546455369577066287887360866682313121
 . . . . . . . . . . . . . . . . . . . . [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)
							437dd151f72c5aa72a07c19fbe2969f310988c47
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.sealflex.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sealflex.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 (40 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://r11.c.lencr.org/127.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000196d39f42830000040300463044022041d59f100975934a6b04070f07dc26736c758a3d8dce5564fa02e43228da9a8e0220399f5e653b647b46ff35c503f7d60ccd86ade8db228fb2854ce32b2f054340b1007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196d39f42cd00000403004730450221008fe09a09da68d48aee50fb53eb94d1b36791ce56d9b0a3bbc40f7c085a8b7f8602205f4353a50009ee056220fc2a13339bde2a0fa133ded4a7dac56d6d1aca08bac7
 . . . . [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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