alphaducap.co.za
Issued by R3
About this certificate
This digital certificate with serial number 04:fd:57:ca:78:1d:c4:a2:4b:0a:78:dc:69:01:97:de:07:d9 was issued on by Let's Encrypt.
With 5 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=alphaducap.co.za
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:fd:57:ca:78:1d:c4:a2:4b:0a:78:dc:69:01:97:de:07:d9Serial Number (int): 434657276673884753972245508539345664870361
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: c0:d8:6b:17:66:e7:0b:4c:b2:31:23:44:ac:51:43:b0:7c:30:00:38
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): a8:98:64:66:cc:4a:6a:4e:9f:e7:23:2f:cf:d7:5d:b5:e8:ca:54:37
Fingerprint (sha256): 96:2a:9c:ca:6a:e9:f2:6a:7b:b8:f2:3e:04:c3:e0:7e:dc:19:5b:03:56:05:1c:47:64:bd:25:c8:94:6e:3f:76
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate alphaducap.co.za
5
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for alphaducap.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
alphaducap.co.za
mail.alphaducap.co.za
pop.alphaducap.co.za
smtp.alphaducap.co.za
www.alphaducap.co.za
mail.alphaducap.co.za
pop.alphaducap.co.za
smtp.alphaducap.co.za
www.alphaducap.co.za
Other certificates including the domain name alphaducap.co.za
(limited to 100 certificates)
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
alphaducap.co.za
Certificate
The complete raw certificate details for alphaducap.co.za in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFRzCCBC+gAwIBAgISBP1XyngdxKJLCnjcaQGX3gfZMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEwMjUyMDExMzJaFw0yNDAxMjMyMDExMzFaMBsxGTAXBgNVBAMT EGFscGhhZHVjYXAuY28uemEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB AQDkOx5pw0mXs3+Yi1P2w41prXlEbkp5qaBrIQYkxBHIxJBoMlv5CK6ICxzKAiMi 63xba5bpXyzl12cJmr1oot0T1C6rq8jsIgrXSKc0iupMHUbFiaNXqR3LCnrhOHqA ZIrefHpD+k2vg1M4iZkJtq7IiDZvpeAJqhmpyKQ5igQbom90PBmSsV7qb9Ase8xz CSCz/v64Vy9rMq6yT7uq+E5SL8wTNHqJu9PKnd5OXKBi+93ACduhevGytR8xUdNP u6H9ksMeK2BEd102wKy3D0yM4Tj0Sd9MBsTWtYAdUHVKYWHW8psnsOFvuUrxb/pj Yh13M65JPSJBt85B1PPJwrx/AgMBAAGjggJsMIICaDAOBgNVHQ8BAf8EBAMCBaAw HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYD VR0OBBYEFMDYaxdm5wtMsjEjRKxRQ7B8MAA4MB8GA1UdIwQYMBaAFBQusxe3WFbL rlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDov L3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5v cmcvMHUGA1UdEQRuMGyCEGFscGhhZHVjYXAuY28uemGCFW1haWwuYWxwaGFkdWNh cC5jby56YYIUcG9wLmFscGhhZHVjYXAuY28uemGCFXNtdHAuYWxwaGFkdWNhcC5j by56YYIUd3d3LmFscGhhZHVjYXAuY28uemEwEwYDVR0gBAwwCjAIBgZngQwBAgEw ggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgDatr9rP7W2Ip+bwrtca+hwkXFsu1GE hTS9pD0wSNf7qwAAAYtorabRAAAEAwBHMEUCIQCfF5V19wnOzuofj6Krgaibqr4e N2N5VdD1zpayhoyglwIgSeV4YY8wBYJmV5ffZuqhfS1gZEvNRzLEF4rZ/8YFxiEA dgA7U3d1Pi25gE6LMFsG/kA7Z9hPw/THvQANLXJv4frUFwAAAYtorabCAAAEAwBH MEUCIGCTLUCKwDkf7JVFIZ9wXk7HLzxrgeQyQRqu4lulxumNAiEAx7sC7hPZp+by 9/3N5b1gBSWyP4DpEHMoAUkM/NOCWpUwDQYJKoZIhvcNAQELBQADggEBAKjfnOWm T9tu5qatXtCVh0czR3FYm/lE/Avetp5SHw5CZTDIn+TLwwATqXiZfyMSvZf5ovvD vSk58o6IM2bBP4Bi6wIOfdEP0zS8sDbcdCefq2nyNzFZx1uEBgcYTa5Amnv59/ub GNFDscr8Ug4SHjCpa5mbBviKoVxchHsNPmI2VBTkP2zKmOcouI6tmEVcqyDfVyvH dUUMJAkp7h4nDauQUqWxGayHWXAZPmFAVExRJQPHhf14Vc9OvLGDITl69skoBWOB vj9EUfKciG6eiYWSm7aPGimnUWLKTYGQWVwvm7mfsFp8A6suVF/cJrUfPLGDVUJc hfjug4g1RiFY240= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5DseacNJl7N/mItT9sON aa15RG5KeamgayEGJMQRyMSQaDJb+QiuiAscygIjIut8W2uW6V8s5ddnCZq9aKLd E9Quq6vI7CIK10inNIrqTB1GxYmjV6kdywp64Th6gGSK3nx6Q/pNr4NTOImZCbau yIg2b6XgCaoZqcikOYoEG6JvdDwZkrFe6m/QLHvMcwkgs/7+uFcvazKusk+7qvhO Ui/MEzR6ibvTyp3eTlygYvvdwAnboXrxsrUfMVHTT7uh/ZLDHitgRHddNsCstw9M jOE49EnfTAbE1rWAHVB1SmFh1vKbJ7Dhb7lK8W/6Y2IddzOuST0iQbfOQdTzycK8 fwIDAQAB -----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 434657276673884753972245508539345664870361 . . . . . . . . [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 2023-10-25 20:11:32 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-23 20:11:31 +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 'alphaducap.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 28811486099719821638145358382358008530229736876165144687256203755219461015911518675624563160274729708303271018591449156687320091128376712861449802114702339887314362825864543982664750131162884719377997058811383429812158151678477484422699193220337286063369873523989958509327635708797688588149296065442170903782107139758409914609434572117746427984022500577724878649699387420184446331051505505906753155773379843195359839746112461045755521259864566106162506204682597632755897504115704125485562697229646183943695990025848708559063230678722970230070758747478837380795748611657660230935738832581298929343183992144778091478143 . . . . . . . . . . . . . . . . . . . . [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) c0d86b1766e70b4cb2312344ac5143b07c300038 . . . . . . . . . . . . . . . . [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 (110 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alphaducap.co.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.alphaducap.co.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pop.alphaducap.co.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.alphaducap.co.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alphaducap.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) 00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b68ada6d100000403004730450221009f179575f709ceceea1f8fa2ab81a89baabe1e37637955d0f5ce96b2868ca097022049e578618f300582665797df66eaa17d2d60644bcd4732c4178ad9ffc605c6210076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b68ada6c20000040300473045022060932d408ac0391fec9545219f705e4ec72f3c6b81e432411aaee25ba5c6e98d022100c7bb02ee13d9a7e6f2f7fdcde5bd600525b23f80e910732801490cfcd3825a95 . . . . [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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