DV SSL/TLS Certificate for *.sealflex.co.za

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

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

This certificate with serial number 06:00:ad:c7:44:30:91:43:c7:f0:9c:7e:3b:74:d4:f3:97:de 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): 06:00:ad:c7:44:30:91:43:c7:f0:9c:7e:3b:74:d4:f3:97:de
Serial Number (int): 522904706683958880874095544638056630032350
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 4f:ce:36:58:76:b0:d7:8d:93:5f:36:5f:ab:f8:cc:d6:33:3e:f4:26
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): c7:d8:fa:d2:80:b0:81:2f:85:84:f1:86:d3:7b:f5:01:b5:02:f8:53
Fingerprint (SHA-256): e3:f8:4f:47:05:86:cf:a7:1a:c8:9c:61:cc:50:ae:b1:c4:95:bb:5b:f9:34:4b:c6:80:d6:e0:1c:92:62:e0:3f

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/95.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv0VQkvFNIJm0VHo0YfbP
oJXnc8DQ+JTqtMohVt17UVAMbfOw3r61wcVT9DBXc5f5MhOLmL0ix8ZcO0BW4NfT
uSuHCbI19v+4rDSNZIi0JzxMr4tVPxpOTGFvgsParX1Rgfl9YkL/F3oeo8LuPn8V
sCFTa57V9F5WRZqnVieT53QXJikEyCSr1hCMN/KS/qDODIw2zhYZICabxhCd8pAg
jIeSB7xAmxGwTUfqd6rmhj9IAXQF1bZUMeVeozFA4kfGxgEQCBA7x7P6sEaiMrua
dH/g7Fz7hNQVvZzrhRL4tZKeh6UFLMXStfyOiYtU5VjwyJa591n5D/yzuPeHAXp9
dwIDAQAB
-----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 522904706683958880874095544638056630032350
 . . . . . . . . [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 2025-07-15 09:59:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-13 09:59:06 +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:12|false] UTF8String '*.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 24145696621799150361113309293129954733058283500813151490807462927311086267219234363987484188280989151621069181844589227581549053572257447390411224291720005668963576421034134748680943905460831837129836357032331982716278305170150302257459988417394940338945423124523598801498555949753375909719269131906054614317280077056302847084430955618830467903738835909648816046831396894547429880048458577399490041052752652590242541320117773666513251922191998715434564651337369863793682897552047742262240354722390467191165726081235618640486979577128667627774992934905894386788961305973171864264943864692085638369255694773735810301303
 . . . . . . . . . . . . . . . . . . . . [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)
							4fce365876b0d78d935f365fabf8ccd6333ef426
 . . . . . . . . . . . . . . . . [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 (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 (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/95.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)
							00f1007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001980dbba426000004030047304502203be1d4c39c720654904572553127b9e84470bd4be14014202f6f2d49687eda620221008c06130d273312314d9dd68bbf9ca88594924749d0ae6fd386833b27de4332ac00770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001980dbba4330000040300483046022100cd1a95d1cf280c507d4bb799bb181378cdc2bbfcc30db2972e97db2ae3283994022100b947a653dbfda6083acb84a7b3b23dc79ded14ee3b553caad6f8e31609235d9a
 . . . . [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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