zu.co.za

Issued by R3

About this certificate

This digital certificate with serial number 04:5d:3c:48:81:8f:a2:2a:c7:fc:d7:c6:fe:57:fd:e1:2a:13 was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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 will expire on

Certificate Details

Serial Number (hex): 04:5d:3c:48:81:8f:a2:2a:c7:fc:d7:c6:fe:57:fd:e1:2a:13
Serial Number (int): 380175534003619827550048743793320192453139
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ae:67:72:10:1f:9e:17:94:25:76:36:94:88:9b:77:d9:a9:ed:a5:50
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7a:23:1e:0f:31:a4:5f:4a:11:47:6b:43:f8:3d:78:bc:ed:cc:99:2c
Fingerprint (sha256): c2:ea:b2:07:13:3f:e7:53:f7:38:00:bc:28:95:c2:52:11:8a:7f:2a:c9:a7:ed:78:ef:da:b9:8e:05:24:f4:2e

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

4

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

badassskoolie.com
simon-smith.xyz
www.catalyticcarbon.com
zu.co.za

Other certificates including the domain name zu.co.za

(limited to 100 certificates)
liveden.hilltophorizons.ca
zu.co.za
zu.co.za
calloutbound2.bdsmsecurity.com.zu.co.za
zu.co.za
zu.co.za
askhealthyhomeexpert.com.zu.co.za
zu.co.za
zu.co.za
zu.co.za
zu.co.za
zu.co.za
zu.co.za

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2tsJYfL4DwqmKJ9QFgNm
CHmrgb2kf+j5watlg6aVsVesRhdrqgLTkE5B+OSX2we8WxSa58dEpUH21IyKVb8Q
lSnk/SXgrcNoSNDa1CeVNMYOUkvmfJ3wf9fyS/QxPYfvYXuqmUTVIhLjJdjCTtdG
lSfyjmIqf2m2G0hctgPyX07avJJJjR2KEWnwDwu8H4q5FfCY3dJW8a+dMqrJ6cHN
u/Zm663wRcF6Z4LYdFL9ogjd8TOUpOq24Xy1fX/PGQtCH+/sblRhIpASSDW6rJj2
awTFo2mjd2H+XDqAQuCMyhYT/mb3pDLfdYC7bMNXbAb6InaggeMrpIuxX0tIJjbH
TQIDAQAB
-----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 380175534003619827550048743793320192453139
 . . . . . . . . [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 2024-05-17 03:03:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-15 03:03:07 +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 27627961480752360530124060815629714413459288813286285222447209059567703558950398417490528783581241700282630781963533009145157592095309765316809065471188783084427225172050303281012046400458947740629822325540874494829592228294685516549514351994686804124546960791926938904257699040517413069379548772357733789411398585999513111248863024175936561516247535027845892732570886512856001816840869499420459840341212160029439688479604786570687676265000096466007122515616917970939256452485263633501643777905411041146532145820242574756227911188165972394018042561424364011712160593776136682996236067638847186068917610287082988029773
 . . . . . . . . . . . . . . . . . . . . [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)
							ae6772101f9e179425763694889b77d9a9eda550
 . . . . . . . . . . . . . . . . [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 (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'badassskoolie.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'simon-smith.xyz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.catalyticcarbon.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f84b7cc09000004030046304402207d4ae3e92653d2b1f19e63f9fea62b9d621e30a23199e565224d385fb1af2afe022065cd76054df7e03416e4590ae40d9b64c50cc8b173851de3b2785f9a79a7a2d70076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f84b7cbfa0000040300473045022100c5ffbe654a0e1611788a1160f812dc2188dc0b618197869983ec7a8df25a20aa0220678133e59f1688006c59721b71d06d32a801bb4123fa3b94fc5012ad37f0553e
 . . . . [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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