DV SSL/TLS Certificate for webmail.thedunesatarniston.co.za

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the webmail.thedunesatarniston.co.za DV SSL/TLS Certificate

This certificate with serial number 06:a7:f1:34:84:c0:52:87:f1:d3:07:90:bd:d3:87:6c:cb:ed for webmail.thedunesatarniston.co.za was issued on by Let's Encrypt.

With 4 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for webmail.thedunesatarniston.co.za provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:a7:f1:34:84:c0:52:87:f1:d3:07:90:bd:d3:87:6c:cb:ed
Serial Number (int): 579821487505294428817066835108617903721453
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: ee:3f:3d:7c:1d:d6:f4:e3:ef:c5:dc:f4:d4:39:02:5e:bb:a5:11:11
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 6b:b8:9e:93:7f:4c:bf:c7:de:e9:14:a0:4b:2b:7d:79:98:66:3c:9f
Fingerprint (SHA-256): f8:1a:e2:b1:9f:e3:75:c5:e2:fd:d8:fe:74:ca:52:62:61:a6:7c:ed:38:1e:6f:48:30:91:98:0c:0f:41:a1:ea

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/110.crl

Check the revocation status for certificate webmail.thedunesatarniston.co.za
4
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for webmail.thedunesatarniston.co.za

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for webmail.thedunesatarniston.co.za in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq70jtSmY8FkWM+2crLcF
8mQu7v3VRFsFWJTdzgT2813FE9174ohEfd6SMK9NZKStRyM5IR2Ovi+PsTrFt1eK
kQbyylcH8rqo4jhbSTgVk0+M4oDjobDiibsZ5wgW8cK2wZk0Pj30rsK3CFqnKbLK
DT7IyYPKGnUtJlbwok5eSot9OMUanS3CcbCAOd6HVst44mKGO40aKJaORTpD9/zY
j8/dgV0c3MVzm0ksjORuROnn2Gqa0oxlkTMDIJ5b8gF/3D/eHP0YZOADnl6nFwMJ
PnHgPjVfPeMemP7Xwb+iP2dsIv5DlAnaczNEUQ9YHwvbdonulAdAXrVPkq8cbA0X
WwIDAQAB
-----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 579821487505294428817066835108617903721453
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-15 14:22:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-13 14:22:00 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'webmail.thedunesatarniston.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
 . . . . . . . . . . . . . . . . [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 21680018304449700438422522348853307116459953894198380164342186072383409830735129686735697517107158910384272360887812052135366094041427996793434216610378788897283940758763592671928643863642792110688133719375712833456151767965237446463100532211393191559048785765716527435374992680659575102070849408677271958008723168858716352746347366779239345588247835806293035463912738484024828527125582232184080212648556673483798266694396540080156002845555117878892207546733753804216295958130460574428240038864317119285806189375136011225771640735545166612475274904858484137967218871564975157244591712700741508598740346266415964952411
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							ee3f3d7c1dd6f4e3efc5dcf4d439025ebba51111
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (123 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.thedunesatarniston.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'thedunesatarniston.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.thedunesatarniston.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.thedunesatarniston.co.za'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/110.crl'
 . . . . . . . . . . . . . . . . [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)
							00f1007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000196d488688b000004030047304502204d9d3337f3f333f9d45c0d6d8de2e70833b36119a4c094563d28f1f5514652dc022100c30bac3eaf35c87760646069c291e62eb8fd92a10b17905e8fb5316ae0d53222007700dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196d48868d000000403004830460221009ab3dc06191196514ce6b15dbc0a5cec1af6b8e915b58b753903f49fd7ca1e590221009dec7660f237af1225961e9c548bcf5e886db2bdc727afaaf364c0236328a9b5
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		00137b331671ec1c2c657923e79493779df456e38530c31437f1f695e3f8007ec49a1e878f3227c71e5c396583c66c31e5d3d7104208e5684ecbb1090edeef8baf62e89cbbdfcb21d84bf6b20d30f63bcc3af91f3df9f6476b827bac7cd5a8cbf4fa268d3102967165039fc668f99153b2fab4c5bc6a07ecc5635785c878f0da11473ca47a1b6f3c0f9c1ac16270c0441da3a7c325fc9394d989a031cdfc67510947dd04dd04944e02228f5b0f749a02fc3e14801009d89ec046e7b5af62594afb10a2a85a70f8a2d4e20318b07f551be556caa70381d92133451a86c7ed5fe0d0675c6ebfef4167ae27e1d1b7a6f146538ff88bfb6f990f04582690f86e28e420