yf.co.za
Issued by R3
About this certificate
This digital certificate with serial number 03:07:aa:8a:c8:82:36:94:09:40:b5:de:4c:59:9f:f8:48:cd was issued on by Let's Encrypt.
With 17 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=yf.co.za
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate will expire on
Certificate Details
Serial Number (hex): 03:07:aa:8a:c8:82:36:94:09:40:b5:de:4c:59:9f:f8:48:cdSerial Number (int): 263945523726775695701156804406259152865485
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c7:7d:4c:53:8c:15:ae:6f:2e:63:17:6c:19:0c:43:af:63:7c:24:ac
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 72:b6:67:b2:e3:fb:4a:23:26:85:99:49:ef:27:b2:8a:23:39:1f:d4
Fingerprint (sha256): 4e:d2:61:31:27:7a:84:01:4f:99:a6:ca:44:80:52:f3:8e:fa:73:4f:23:c3:4c:35:53:c1:6f:47:f5:96:91:f2
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate yf.co.za
17
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for yf.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
aiyasmin.com
criticalreasoning.com
designpolicies.com
elkhorncity.com
greeceny.com
guntryclubofmd.us
labo.life
luxembourg4vip.com
mascotas.mascotaspanama.com
networkwifi.com
sespdr.shop
shadi.chat
sillabuss.co
tourtheriverwalk.com
usacor.org
waterwitchingwells.com
yf.co.za
criticalreasoning.com
designpolicies.com
elkhorncity.com
greeceny.com
guntryclubofmd.us
labo.life
luxembourg4vip.com
mascotas.mascotaspanama.com
networkwifi.com
sespdr.shop
shadi.chat
sillabuss.co
tourtheriverwalk.com
usacor.org
waterwitchingwells.com
yf.co.za
Other certificates including the domain name yf.co.za
(limited to 100 certificates)
Certificate
The complete raw certificate details for yf.co.za in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF/TCCBOWgAwIBAgISAweqisiCNpQJQLXeTFmf+EjNMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA0MjcwNTI2MzZaFw0yNDA3MjYwNTI2MzVaMBMxETAPBgNVBAMT CHlmLmNvLnphMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvL6rvmP3 /AzO0uW35pGGTwn3yHBEtr+TePSCcym95rudyYvddjA/gSQMXs2GdMxWeAPxFbaT QtQkMic8Nfqus2tO5J1LRyBZ9JA0lgbica1mNXM3FhtNnzVpEy6HasDMo4iCI8xQ oWmm9yd4ecSC3+jY5EH3hkggXchN1rLlZ1T2OV/ytJ8cWHklk9IAdPJUgonMWYdA ulfZi5n4wc7u2alIDcNmfLTj2B8wCCzrWWsUaz9c++w7IHvimFshe7dcr3Mmu+7J TTeFH2H6kVmPi5yx6JXITSYiXMGY0LdHKJLKy9575IykGQXmFGklVUN77sQmvMPr 0MsS9DFprbp/dQIDAQABo4IDKjCCAyYwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTH fUxTjBWuby5jF2wZDEOvY3wkrDAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+d ixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxl bmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzCCATAG A1UdEQSCAScwggEjggxhaXlhc21pbi5jb22CFWNyaXRpY2FscmVhc29uaW5nLmNv bYISZGVzaWducG9saWNpZXMuY29tgg9lbGtob3JuY2l0eS5jb22CDGdyZWVjZW55 LmNvbYIRZ3VudHJ5Y2x1Ym9mbWQudXOCCWxhYm8ubGlmZYISbHV4ZW1ib3VyZzR2 aXAuY29tghttYXNjb3Rhcy5tYXNjb3Rhc3BhbmFtYS5jb22CD25ldHdvcmt3aWZp LmNvbYILc2VzcGRyLnNob3CCCnNoYWRpLmNoYXSCDHNpbGxhYnVzcy5jb4IUdG91 cnRoZXJpdmVyd2Fsay5jb22CCnVzYWNvci5vcmeCFndhdGVyd2l0Y2hpbmd3ZWxs cy5jb22CCHlmLmNvLnphMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBQYKKwYBBAHW eQIEAgSB9gSB8wDxAHcA3+FW66oFr7WcD4ZxjajAMk6uVtlup/WlagHRwTu+UlwA AAGPHjv1PQAABAMASDBGAiEA4Vp4fib/f0wdF6TZMmMlgkckS8TMFEkmRNiVgSoG 1UkCIQCT3392Ny+BdoH1VrAKdacDb2EIn5a+Ugxa6D5ZqmTs/AB2AEiw42vapkc0 D+VqAvqdMOscUgHLVt0sgdm7v6s52IRzAAABjx478+4AAAQDAEcwRQIgO82HAQyr HQkdIbLijz4vFNyyKO3LNDxgF/Uc97T/tvMCIQC9ZL7CNQwNN3wlVF+Fsc0o0l3I 5CN3Ey3RLvV4JTq/kTANBgkqhkiG9w0BAQsFAAOCAQEAOKZNCjavCHF+FBlXtAsi huqjEihXqu51Y07jvnbh0gtNvZSZst33U6T/H2XtGImf32y2teyzMrCRq1AexOp7 dwCBk2mQd+9P19UF3W2VGvezY3c2uV22U6zu4Cdw3oCdtgGjYHtxmV/rQIDDaNlQ babjBNqSaytGSxYpgcDf4w86YCvMz8V3vMasKfyBErh5hiOATnHOlu5M/Ab/lIV8 iWZUaJ9mnwSG/lg7GoOHfyVR1rfqNeJYtgxYMaxPGi895fxZzuIlSovUb8H8kWiS rlRbMrpCJ8xtyofEgdzCvkD1CnDSX6L+a76+3iyofkczFuZgcnLxfKmLJH+ypgcv +w== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvL6rvmP3/AzO0uW35pGG Twn3yHBEtr+TePSCcym95rudyYvddjA/gSQMXs2GdMxWeAPxFbaTQtQkMic8Nfqu s2tO5J1LRyBZ9JA0lgbica1mNXM3FhtNnzVpEy6HasDMo4iCI8xQoWmm9yd4ecSC 3+jY5EH3hkggXchN1rLlZ1T2OV/ytJ8cWHklk9IAdPJUgonMWYdAulfZi5n4wc7u 2alIDcNmfLTj2B8wCCzrWWsUaz9c++w7IHvimFshe7dcr3Mmu+7JTTeFH2H6kVmP i5yx6JXITSYiXMGY0LdHKJLKy9575IykGQXmFGklVUN77sQmvMPr0MsS9DFprbp/ dQIDAQAB -----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 263945523726775695701156804406259152865485 . . . . . . . . [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 2024-04-27 05:26:36 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-26 05:26:35 +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 'yf.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 23826824645825355060925016145460637822983192788815376071040773625401290477832689257386942289193611241345234252685584498468369820776733593406317521686633300231923297216317662419431244350785595263236416799482226491330562211837666640512270953566936430892317448024600962755395010064432061566570776387548087047883204963870442999096910373489795769231087075862488128598047212525918669351015641735603298261468691217164036949854622522364876828274748662953529246757703855396324958863939857152860270996023994294862180370429919858426571964156829258205853206240434924204301097636452780359138881898106338680581266299544260719574901 . . . . . . . . . . . . . . . . . . . . [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) c77d4c538c15ae6f2e63176c190c43af637c24ac . . . . . . . . . . . . . . . . [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 (295 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'aiyasmin.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'criticalreasoning.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'designpolicies.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'elkhorncity.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'greeceny.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'guntryclubofmd.us' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'labo.life' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'luxembourg4vip.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mascotas.mascotaspanama.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'networkwifi.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sespdr.shop' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'shadi.chat' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sillabuss.co' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tourtheriverwalk.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'usacor.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'waterwitchingwells.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yf.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018f1e3bf53d0000040300483046022100e15a787e26ff7f4c1d17a4d93263258247244bc4cc14492644d895812a06d54902210093df7f76372f817681f556b00a75a7036f61089f96be520c5ae83e59aa64ecfc00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f1e3bf3ee000004030047304502203bcd87010cab1d091d21b2e28f3e2f14dcb228edcb343c6017f51cf7b4ffb6f3022100bd64bec2350c0d377c25545f85b1cd28d25dc8e42377132dd12ef578253abf91 . . . . [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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