zu.co.za

Issued by R3

About this certificate

This digital certificate with serial number 03:c6:43:d6:ba:23:c8:71:49:06:43:e9:58:04:07:39:a4:08 was issued on by Let's Encrypt.

With 15 subject alternative names this certificate can be used to secure multiple fqdn's. 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=zu.co.za

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c6:43:d6:ba:23:c8:71:49:06:43:e9:58:04:07:39:a4:08
Serial Number (int): 328802939648235077444857094768316600919048
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 64:06:41:38:68:8b:20:4f:53:7e:db:0e:1b:18:ae:4a:47:70:b9:a6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): db:40:9b:28:36:c8:8f:8d:53:0b:de:1d:7e:b4:60:3e:8b:cb:26:47
Fingerprint (sha256): a9:ad:5d:38:79:37:d3:11:3a:18:f1:41:cb:8f:05:8b:16:c8:87:fd:c4:ac:e4:f0:b8:7d:f5:a6:65:34:27:f7

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate zu.co.za

15

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zu.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

adfbusinessalliance.adult
federaladvocacy.com
geniusmagnets.com
hikingparis.com
houstontxresidentialconstructioncompany.com
investincomicbooks.com
microbuckyballs.com
movedtoact.com
ofanger.com
peterdoherty.com
sovereigntyunlimited.com
sugarlandpolice.com
wellspouse.com
www.pearsonjmj.com
zu.co.za

Other certificates including the domain name zu.co.za

(limited to 100 certificates)

Certificate

The complete raw certificate details for zu.co.za in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGEzCCBPugAwIBAgISA8ZD1rojyHFJBkPpWAQHOaQIMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMTMwMTM2MTBaFw0yNDA0MTIwMTM2MDlaMBMxETAPBgNVBAMT
CHp1LmNvLnphMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqqQyubGi
MKNLlM/sKgoVXn4wSvTSyCzJA0MWtcerjeLqwcdUVH1CW4zGiPvi4eaYdHpcHxZP
GZdwuu7/aYBzCubekNf1rCV1yGNpCl2vUMaRUI0BJU/YJLUt9V3+TedYb4J3KCYl
P5z0vpGwi1WEInVlHzUbaCyvSUXMLUYz955WLPQ5xWm9b6XBlRHSrxfViIPYwRpT
ObNOJbeMMCA9RCDHt4l9j7kfisYzUue+Sz43forgtxVm755RjJnBOzUQhV4/NGIk
zVxqmgDyinKN75v3LatJnwFJjW8bO7ls+Oisp64Zzog+gSYLLXnqKF2zDMlHcL2l
8T4Lg88hB/jo+QIDAQABo4IDQDCCAzwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW
MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRk
BkE4aIsgT1N+2w4bGK5KR3C5pjAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+d
ixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxl
bmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzCCAUcG
A1UdEQSCAT4wggE6ghlhZGZidXNpbmVzc2FsbGlhbmNlLmFkdWx0ghNmZWRlcmFs
YWR2b2NhY3kuY29tghFnZW5pdXNtYWduZXRzLmNvbYIPaGlraW5ncGFyaXMuY29t
gitob3VzdG9udHhyZXNpZGVudGlhbGNvbnN0cnVjdGlvbmNvbXBhbnkuY29tghZp
bnZlc3RpbmNvbWljYm9va3MuY29tghNtaWNyb2J1Y2t5YmFsbHMuY29tgg5tb3Zl
ZHRvYWN0LmNvbYILb2Zhbmdlci5jb22CEHBldGVyZG9oZXJ0eS5jb22CGHNvdmVy
ZWlnbnR5dW5saW1pdGVkLmNvbYITc3VnYXJsYW5kcG9saWNlLmNvbYIOd2VsbHNw
b3VzZS5jb22CEnd3dy5wZWFyc29uam1qLmNvbYIIenUuY28uemEwEwYDVR0gBAww
CjAIBgZngQwBAgEwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgBIsONr2qZHNA/l
agL6nTDrHFIBy1bdLIHZu7+rOdiEcwAAAY0ArT3fAAAEAwBHMEUCICyOY5zS6Alj
chZCKrU6ugxZgOgj1MeGEk8JynyMD3ITAiEAnZebfq64pbI4CUkPtbH5wOXYzT2+
q68RRDN/DcCWQS0AdgDuzdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAA
AY0ArT3kAAAEAwBHMEUCIHvcwYM1m3rrq+BtqWv07bdfju9OW5qtq9esxRzwNUAW
AiEA/efY01JM0Hp4i0NT4WHWipWix6xmeZJSt9xovTzeWsswDQYJKoZIhvcNAQEL
BQADggEBAI/pFWPvh+kptEJIWHMXwYZgTU2ycmpRgGuRIHme1+HD6XGALmxvHjS/
339le9uIM0FtkWvkEFw4mqkRfxQfyv4Jl/GeTFYKJQd9QnvWSM72vyjVnY8m6wkw
d0OQhjjNK4tzDwZzoFsrEFz6YFAMcGlKmlfjxmDvmSHSnYN4sSodAE+UUKo7qQm2
PnrCMV/dD9MN5DdgxOGN97XNVkzYVrAZ6CFkdOeEOQuuOablkufRvyG4Iftuo+an
hnNHqIONg2R3nmljFBU251jnshOZc2xc6wZ54EZ7V3Yw0+Wp4GrJBjUDSXqYDNAh
gvJTOrxuaw+wjaXTOqlGr9W9DeoY9mk=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqqQyubGiMKNLlM/sKgoV
Xn4wSvTSyCzJA0MWtcerjeLqwcdUVH1CW4zGiPvi4eaYdHpcHxZPGZdwuu7/aYBz
CubekNf1rCV1yGNpCl2vUMaRUI0BJU/YJLUt9V3+TedYb4J3KCYlP5z0vpGwi1WE
InVlHzUbaCyvSUXMLUYz955WLPQ5xWm9b6XBlRHSrxfViIPYwRpTObNOJbeMMCA9
RCDHt4l9j7kfisYzUue+Sz43forgtxVm755RjJnBOzUQhV4/NGIkzVxqmgDyinKN
75v3LatJnwFJjW8bO7ls+Oisp64Zzog+gSYLLXnqKF2zDMlHcL2l8T4Lg88hB/jo
+QIDAQAB
-----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 328802939648235077444857094768316600919048
 . . . . . . . . [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 2024-01-13 01:36:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-12 01:36:09 +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 'zu.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 (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 21541480967765257701108195798347630522588190645411805559722346481130041620070635023738013615811153591990857308095422263534054270767826027752328856538582901839229396222159707679530978256749627934909579967392252504808558007363408454807262147904460359356576458341320675945797367953730497836874241866243460320255416502189516843524863973170358528692109612669786281055317587810853179073690137664556356432397181236350366083529631962163044092215027264468997855134544952842789443471496167489800787572918446542071827934135472227372685085372863059123679522859499401204949333188483628493802887284663038669252264449773756984387833
 . . . . . . . . . . . . . . . . . . . . [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)
							64064138688b204f537edb0e1b18ae4a4770b9a6
 . . . . . . . . . . . . . . . . [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 (318 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'adfbusinessalliance.adult'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'federaladvocacy.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'geniusmagnets.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hikingparis.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'houstontxresidentialconstructioncompany.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'investincomicbooks.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'microbuckyballs.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'movedtoact.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ofanger.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'peterdoherty.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sovereigntyunlimited.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sugarlandpolice.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wellspouse.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pearsonjmj.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zu.co.za'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d00ad3ddf000004030047304502202c8e639cd2e809637216422ab53aba0c5980e823d4c786124f09ca7c8c0f72130221009d979b7eaeb8a5b23809490fb5b1f9c0e5d8cd3dbeabaf1144337f0dc096412d007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d00ad3de4000004030047304502207bdcc183359b7aebabe06da96bf4edb75f8eef4e5b9aadabd7acc51cf0354016022100fde7d8d3524cd07a788b4353e161d68a95a2c7ac66799252b7dc68bd3cde5acb
 . . . . [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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