zu.co.za
Issued by R3
About this certificate
This digital certificate with serial number 03:bd:d6:f9:90:7a:78:6f:05:52:7b:92:ec:c3:a2:4a:ec:aa 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:bd:d6:f9:90:7a:78:6f:05:52:7b:92:ec:c3:a2:4a:ec:aaSerial Number (int): 325935975746723947872989116851720720936106
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 37:14:c1:18:73:f9:c8:d7:13:c0:6c:2c:48:70:16:8e:67:b3:07:5d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): f0:9b:23:dc:21:55:7f:1a:e8:ae:d7:5a:c0:2b:34:37:8c:3f:45:0f
Fingerprint (sha256): 85:fe:39:d8:4a:92:4b:3a:51:69:d4:4c:0c:72:3e:7d:44:46:39:6c:f1:3c:f7:60:8e:d8:6a:a1:d7:da:7b:de
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
biberist.com
blueandgreendiamond.com
checindependentschool.org
defis.ec
healthyhomecenters.com
honeymaking.com
lercusawards.org
magnifycommunities.com
missouriweddingdj.com
panettos.com
saintjosephgarbage.com
stlouisnetworking.com
treatingnoteating.com
www.blockchainbahrain.com
zu.co.za
blueandgreendiamond.com
checindependentschool.org
defis.ec
healthyhomecenters.com
honeymaking.com
lercusawards.org
magnifycommunities.com
missouriweddingdj.com
panettos.com
saintjosephgarbage.com
stlouisnetworking.com
treatingnoteating.com
www.blockchainbahrain.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----- MIIGBzCCBO+gAwIBAgISA73W+ZB6eG8FUnuS7MOiSuyqMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAyMTcyMjE3NTBaFw0yNDA1MTcyMjE3NDlaMBMxETAPBgNVBAMT CHp1LmNvLnphMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0kDXfHhe E/nhh33l0oXHE9bph2TiW3WSlM/j4dAw4BR5M4ULs7tVoIf7ruutWIuUKuX9KV1m St/Ul6bc+hzwbZpeIkfEG6cAwkwpo9zPQY30QIwIDDLZoCagKDhbifIbDFqkd+wo zLORKjHS6/5AmeNIS4OHpSCtJQ3WE7ng3k/1yu18YDWHYwI29vFuJ+/28WKJQMOx bsblURO+wJ62JXldUPiHWKtlJVR5/I4ZYI7Xe9AJCcqytXYHVgsfv1lpNLttorJt pnevO5q5lbWGlxv2vuRX8N8piv3AuY1Zv+zPpyQE4dYi2hD2mLsGkoPFDwEW54D8 KdBNN42wqZpP9QIDAQABo4IDNDCCAzAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQ3 FMEYc/nI1xPAbCxIcBaOZ7MHXTAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+d ixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxl bmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzCCATwG A1UdEQSCATMwggEvggxiaWJlcmlzdC5jb22CF2JsdWVhbmRncmVlbmRpYW1vbmQu Y29tghljaGVjaW5kZXBlbmRlbnRzY2hvb2wub3JngghkZWZpcy5lY4IWaGVhbHRo eWhvbWVjZW50ZXJzLmNvbYIPaG9uZXltYWtpbmcuY29tghBsZXJjdXNhd2FyZHMu b3JnghZtYWduaWZ5Y29tbXVuaXRpZXMuY29tghVtaXNzb3VyaXdlZGRpbmdkai5j b22CDHBhbmV0dG9zLmNvbYIWc2FpbnRqb3NlcGhnYXJiYWdlLmNvbYIVc3Rsb3Vp c25ldHdvcmtpbmcuY29tghV0cmVhdGluZ25vdGVhdGluZy5jb22CGXd3dy5ibG9j a2NoYWluYmFocmFpbi5jb22CCHp1LmNvLnphMBMGA1UdIAQMMAowCAYGZ4EMAQIB MIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUASLDja9qmRzQP5WoC+p0w6xxSActW 3SyB2bu/qznYhHMAAAGNuVyaXAAABAMARjBEAiAUJl5dyNaOsYlC9SatHvWRNPDP 3Q9tiE7iGQT2km93BAIgBTSfFj037YjSM3EbQ6UKjreA89eqECIJlEV/OxvoHFIA dgB2/4g/Crb7lVHCYcz1h7o0tKTNuyncaEIKn+ZnTFo6dAAAAY25XJ2ZAAAEAwBH MEUCIQCzEHHRhDpIxtr+J9K3p1XS3wvyJCdARaceAPRtSS3xjAIgHgF/HhbuvYff ET/CI7vwbTktdyBJEevqen83wMnkAfUwDQYJKoZIhvcNAQELBQADggEBABGYzyCM 9jwWeSHfinf0IqxqMAYk8iL6whJeCQOrFYz4e/BG/8r+5vvamnqCW3QgiQqzaqur PW87D+wi0TS1F1JHe292J0hnj2B6TPJa8ep+z8jLqbIoUv1tV3DAf6x+G0jtho42 SBKz906F6m62jD2yXoCHms5jone8pFizaqGdROhBJFK/GffGseXtQLFmO3+ak1ij 6c7li8QZEFiPiC4A0nTBgkhFnlYMMgMBbhMGZLfMHUnxpXbXnTFbt6pdGnqTBQeu Ct3oCo4LVyxKaxDuD+x3EOEgPaxGEZpuyDCcQPqqo1MCE0q2TC2vQA893kebKKt2 oAMR2u2ais73tng= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0kDXfHheE/nhh33l0oXH E9bph2TiW3WSlM/j4dAw4BR5M4ULs7tVoIf7ruutWIuUKuX9KV1mSt/Ul6bc+hzw bZpeIkfEG6cAwkwpo9zPQY30QIwIDDLZoCagKDhbifIbDFqkd+wozLORKjHS6/5A meNIS4OHpSCtJQ3WE7ng3k/1yu18YDWHYwI29vFuJ+/28WKJQMOxbsblURO+wJ62 JXldUPiHWKtlJVR5/I4ZYI7Xe9AJCcqytXYHVgsfv1lpNLttorJtpnevO5q5lbWG lxv2vuRX8N8piv3AuY1Zv+zPpyQE4dYi2hD2mLsGkoPFDwEW54D8KdBNN42wqZpP 9QIDAQAB -----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 325935975746723947872989116851720720936106 . . . . . . . . [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 2024-02-17 22:17:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-17 22:17:49 +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 26542018698064383655992828205210779683399432995617155659856455557895309793468899876516313202436251932865091951813913196586075675718465748933532470192222031413045360274113524113185380409068001598982561202096960211555736908310430937843884083072626000964939155356840904120263800252246035404088390763204847004607891740578425339293981912286600843437865009643386324955687534713614585185362183628545137021534370378187096273784094867333359810348019387630423731422561086001512637414729185026054590751874212456315426995809595369246209212997618912111319198820706071408123830123471006536082541838509523950838230755501939449548789 . . . . . . . . . . . . . . . . . . . . [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) 3714c11873f9c8d713c06c2c4870168e67b3075d . . . . . . . . . . . . . . . . [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 (307 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'biberist.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blueandgreendiamond.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'checindependentschool.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'defis.ec' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'healthyhomecenters.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'honeymaking.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lercusawards.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'magnifycommunities.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'missouriweddingdj.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'panettos.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'saintjosephgarbage.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stlouisnetworking.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'treatingnoteating.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.blockchainbahrain.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) 00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018db95c9a5c0000040300463044022014265e5dc8d68eb18942f526ad1ef59134f0cfdd0f6d884ee21904f6926f7704022005349f163d37ed88d233711b43a50a8eb780f3d7aa10220994457f3b1be81c5200760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018db95c9d990000040300473045022100b31071d1843a48c6dafe27d2b7a755d2df0bf224274045a71e00f46d492df18c02201e017f1e16eebd87df113fc223bbf06d392d77204911ebea7a7f37c0c9e401f5 . . . . [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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