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:aa
Serial 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.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

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

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-----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-----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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