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:a4:08Serial 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.orgCheck 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
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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