vwv.co.za
Issued by R3
About this certificate
This digital certificate with serial number 03:e0:56:a4:e4:39:95:e2:cc:9a:30:f0:6e:ab:e5:b1:7b:f0 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=vwv.co.za
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate will expire on
Certificate Details
Serial Number (hex): 03:e0:56:a4:e4:39:95:e2:cc:9a:30:f0:6e:ab:e5:b1:7b:f0Serial Number (int): 337675277758845040578268041738086639565808
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: af:21:b9:fc:98:23:50:ed:9e:82:09:b2:5a:62:70:4c:c6:be:60:18
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 52:f6:25:fb:4c:bd:94:fe:be:cb:e9:ad:f9:96:3d:f0:2f:30:4d:31
Fingerprint (sha256): d8:8f:f9:3f:dd:05:f5:c3:17:00:58:cc:81:19:4c:cb:28:3f:e1:86:c8:0e:6a:b6:3d:ae:b6:82:0d:aa:79:67
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate vwv.co.za
17
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for vwv.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
buysellconcerttickets.com
chandna.in
curepoisonivyitch.org
distressedpropertiesforsale.com
elkhartdumpster.com
gayhombre.com
greengypsy.com
huntingwhales.com
inspiredby.com
losangelescommercialproperty.com
sentonesnetwork.net
sexmails.at
stolensnowmobiles.com
tomdavishomes.com
treelogging.com
turntablesneedles.com
vwv.co.za
chandna.in
curepoisonivyitch.org
distressedpropertiesforsale.com
elkhartdumpster.com
gayhombre.com
greengypsy.com
huntingwhales.com
inspiredby.com
losangelescommercialproperty.com
sentonesnetwork.net
sexmails.at
stolensnowmobiles.com
tomdavishomes.com
treelogging.com
turntablesneedles.com
vwv.co.za
Other certificates including the domain name vwv.co.za
(limited to 100 certificates)
Certificate
The complete raw certificate details for vwv.co.za in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGMTCCBRmgAwIBAgISA+BWpOQ5leLMmjDwbqvlsXvwMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA0MTUxODIzNThaFw0yNDA3MTQxODIzNTdaMBQxEjAQBgNVBAMT CXZ3di5jby56YTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAK6EdSag QnKZ1uXevLQXFi78DmPXGbPLmO9bDfbxQGxfCRKl/SwD/kyjWbxYy7kWPQ+A6U4H fdN8ROf8r+BHp5XNPT+Q1eh2NbzZUb6sOScKPzC2Ev4ZUeCFUiX+kJ2UATS9gx9R QDd41BZbJXa+Tzt4oh9EOs0VlQpr60PmmMJzplLyNNGaqbbCP5MQyVoMozlPvwF6 +tUcM3vP7abB5mFG/T9sH98tbHMkbeCxoISPcNmg96zmDaG+wp3Tc4YOVFv4tIvm u+TTQMBu65lTEQcdwj/DeOaTfM+4anAAOjfSnHatz8IUHv1ea59kgaQPkPjTY0k8 gFrDS0BUtyGCiFECAwEAAaOCA10wggNZMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU ryG5/JgjUO2eggmyWmJwTMa+YBgwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wggFk BgNVHREEggFbMIIBV4IZYnV5c2VsbGNvbmNlcnR0aWNrZXRzLmNvbYIKY2hhbmRu YS5pboIVY3VyZXBvaXNvbml2eWl0Y2gub3Jngh9kaXN0cmVzc2VkcHJvcGVydGll c2ZvcnNhbGUuY29tghNlbGtoYXJ0ZHVtcHN0ZXIuY29tgg1nYXlob21icmUuY29t gg5ncmVlbmd5cHN5LmNvbYIRaHVudGluZ3doYWxlcy5jb22CDmluc3BpcmVkYnku Y29tgiBsb3NhbmdlbGVzY29tbWVyY2lhbHByb3BlcnR5LmNvbYITc2VudG9uZXNu ZXR3b3JrLm5ldIILc2V4bWFpbHMuYXSCFXN0b2xlbnNub3dtb2JpbGVzLmNvbYIR dG9tZGF2aXNob21lcy5jb22CD3RyZWVsb2dnaW5nLmNvbYIVdHVybnRhYmxlc25l ZWRsZXMuY29tggl2d3YuY28uemEwEwYDVR0gBAwwCjAIBgZngQwBAgEwggEEBgor BgEEAdZ5AgQCBIH1BIHyAPAAdwBIsONr2qZHNA/lagL6nTDrHFIBy1bdLIHZu7+r OdiEcwAAAY7jN1ejAAAEAwBIMEYCIQCHT7QrmNcXzROoPWRnmKgkRw1NlACuqEDY vTWIJ5cUvQIhAIVJULRz9upZ5EvMhv0WNj44DpWoOs1ZZvCnZRS3JbV1AHUAdv+I Pwq2+5VRwmHM9Ye6NLSkzbsp3GhCCp/mZ0xaOnQAAAGO4zdX+wAABAMARjBEAiBb Xcan8JhAe2tmYfsS9rWL+yxB0F+KESn0AcfA3sB1mgIgG4bpsGcHHtz4xyYpi5ta AuuA3FR9Sz9l0VPAZCXDPeIwDQYJKoZIhvcNAQELBQADggEBAAqWS3sICapyIwZy JX1NR4M977UP5wo62ZW2Kuljeqm0tExv+XXxCpJxAlCtsa2Vu0v3oikfkgGzSmuT sE5WwGf/L6MW4SfSQtX2/s7rVKkTNyEudvBhqkAx7biLbkeQ5LM1ktJdEtv4JXMg d5VlOWKwaCkIeDvA0j0KYuywxqBj8wGVpF7arUZYZjZ/k6emVWwNVUOFY4e//dle 2itYmuBKfhg5Tp40AnkvdXxsiLfGqJtq5hfmdrHEJqBV3HRXsPWgQmmFcD3aPONP 4R9Z+y5FKzzeI/Zgx62mXj8TFpbxvGK331vIB9uxpsfv6zKn7b/PeSs3yLgs98eh MY0op7A= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAroR1JqBCcpnW5d68tBcW LvwOY9cZs8uY71sN9vFAbF8JEqX9LAP+TKNZvFjLuRY9D4DpTgd903xE5/yv4Een lc09P5DV6HY1vNlRvqw5Jwo/MLYS/hlR4IVSJf6QnZQBNL2DH1FAN3jUFlsldr5P O3iiH0Q6zRWVCmvrQ+aYwnOmUvI00ZqptsI/kxDJWgyjOU+/AXr61Rwze8/tpsHm YUb9P2wf3y1scyRt4LGghI9w2aD3rOYNob7CndNzhg5UW/i0i+a75NNAwG7rmVMR Bx3CP8N45pN8z7hqcAA6N9Kcdq3PwhQe/V5rn2SBpA+Q+NNjSTyAWsNLQFS3IYKI UQIDAQAB -----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 337675277758845040578268041738086639565808 . . . . . . . . [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 2024-04-15 18:23:58 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-14 18:23:57 +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 'vwv.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 22030782351238539874591549409718169334685721312760992058556996432742404967650115503510336109307331686539264461313276820777099107772460064255057059922491198217691782401241836885721041165480022965669315059151856211808301292285150354433666412515017185189918514372773436553960386769698682350024373157150087990580383502905408446091926159369747432629241246510864417112700565161625136933760194100335732790383400253108826604113180206863832604775261906854241981854523654625620501502227220163234007465322691406649757941607728107235614801057397143731878352991388050560414029317727487155927186453353050695169823673143757698664529 . . . . . . . . . . . . . . . . . . . . [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) af21b9fc982350ed9e8209b25a62704cc6be6018 . . . . . . . . . . . . . . . . [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 (347 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'buysellconcerttickets.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'chandna.in' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'curepoisonivyitch.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'distressedpropertiesforsale.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'elkhartdumpster.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gayhombre.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'greengypsy.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'huntingwhales.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'inspiredby.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'losangelescommercialproperty.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sentonesnetwork.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sexmails.at' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stolensnowmobiles.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tomdavishomes.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'treelogging.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'turntablesneedles.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vwv.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) 00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ee33757a30000040300483046022100874fb42b98d717cd13a83d646798a824470d4d9400aea840d8bd3588279714bd022100854950b473f6ea59e44bcc86fd16363e380e95a83acd5966f0a76514b725b57500750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ee33757fb000004030046304402205b5dc6a7f098407b6b6661fb12f6b58bfb2c41d05f8a1129f401c7c0dec0759a02201b86e9b067071edcf8c726298b9b5a02eb80dc547d4b3f65d153c06425c33de2 . . . . [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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