cassis.co
Issued by R3
About this certificate
This digital certificate with serial number 03:cb:85:de:a2:58:65:12:25:35:86:2d:23:be:57:3b:44:eb was issued on by Let's Encrypt.
With 2 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=cassis.co
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:cb:85:de:a2:58:65:12:25:35:86:2d:23:be:57:3b:44:ebSerial Number (int): 330592121586326950580963968953761157301483
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 62:bf:96:aa:ec:13:63:d1:2a:64:3f:aa:dc:5d:c2:4e:b6:7b:f8:12
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 2d:8a:94:03:b9:cc:29:55:8b:d3:9a:32:bf:a1:cd:b7:9b:7a:70:d5
Fingerprint (sha256): 5b:d7:21:a1:d4:1a:ca:f3:57:06:2b:f1:d5:37:bc:0e:ee:71:f4:c7:de:14:d3:d0:38:88:ad:34:8c:1c:bf:36
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate cassis.co
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cassis.co
Public Key Algorithm
RSA
Key Size
4096
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
cassis.co
www.cassis.co
www.cassis.co
Other certificates including the domain name cassis.co
(limited to 100 certificates)
Certificate
The complete raw certificate details for cassis.co in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGJTCCBQ2gAwIBAgISA8uF3qJYZRIlNYYtI75XO0TrMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzAzMDYxMjU3NTZaFw0yMzA2MDQxMjU3NTVaMBQxEjAQBgNVBAMT CWNhc3Npcy5jbzCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALuPafr7 ZS15zC+cxmLDJ7itO6tsnxYZIi3MmDKyusMJmO7ZnAP9AxRdu41JefZqeQu3uUn2 h/bak4ETHOvSqaODtf5xto2Bb4jgBfhWze97bnmq/J2x4cGAb+uD1VZ4cWO0eOww Rr5g94gOfS+fFuTFXYci+Rh+vy+t4+0PJHN8a9Y18aysyTW6n1XUwnysH1Fim88b UvnVOl/1Wta/0gDOnenjYzfkJkB1JdZPhGU+DTiTd0jtw731hulQl28dJzaY0d4o BUf/g9ccRXi2APUMfWNq46hmMEWJ3yIiaOTJLDhJsqn9KCjMiIqRDEYr1sr4MW8L yWvw0ipN/CpurFggWgxaY/foGdSgxSIbh2Nfup8GfrqdPkqvpRIx42rYyH7XaSdx VhyhtkyX1wm+/kkxivZEf3UgOceFOgiOWwwAkdpE5gxhesaGO3vBXqdreSFUIaA/ o4/kejX8XFstb/Flkq9dyFJ5L8GZAVp4w1CgJIMEBvo3AjfV3q39cjF4CVuMGXhS 7A6x+H0w0dYee7XS0Vg0XqEOxs4QjnCNpw3dLyrV/yu5T+sUhGBCXvE6ReAevqPV A1AK8d0AN+r8ODS5a1KEGsE790XjZZN0/lIFKPs44HQpjup9CIJ+vT0LSmiGuMFj 5FFju9jtgiVxGs+JAOo2hoESeq0VpBpcXHWXAgMBAAGjggJRMIICTTAOBgNVHQ8B Af8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB /wQCMAAwHQYDVR0OBBYEFGK/lqrsE2PRKmQ/qtxdwk62e/gSMB8GA1UdIwQYMBaA FBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcw AYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMu aS5sZW5jci5vcmcvMCMGA1UdEQQcMBqCCWNhc3Npcy5jb4INd3d3LmNhc3Npcy5j bzBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUF BwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQIGCisGAQQB1nkCBAIE gfMEgfAA7gB1ALc++yTfnE26dfI5xbpY9Gxd/ELPep81xJ4dCYEl7bSZAAABhrc2 8asAAAQDAEYwRAIgWq4lTQb+r/DxDKhFzuwI6SDsBcfttYNYWPaHo2dOzVMCIGbU wX9scWKUa3fs0TjkvuD812hrSDUD1z6Cj1J5fFkMAHUArfe++nz/EMiLnT2cHj4Y arRnKV3PsQwkyoWGNOvcgooAAAGGtzbyRAAABAMARjBEAiAcfswIgYUaw1pVspUY F3FH5d7BMSrz4kLjbHANWdrjpgIgcqmgW2E+pFvIKFUB6of7qc4dzlkUgTOmv3jF 62OB12cwDQYJKoZIhvcNAQELBQADggEBAEk0bFQAl8yIRy3Oc/oqilR93L7UPojl vgR9ccjczimIeJK7z1TT0zAmN+RP8xAwpjVAkUrqOrB9enM4OGK4An6p4qbEacC6 DZzd2f87YXvO3bdGwzhT3AGDVZ4X4zBkev9vVv/loT83gtR6RviKk8jngGegoRgk buAamz+5YkttrRx3dlfqc+3AXR59ijFzlrsE1MDwLlduZPtZ71ZYGGa0GcPNPOUA a8oBEzFqI32kWcct/wfU6AM9319laYa/3V8WMnavbFxqAshVUKLsE+0faaR2RrNm /uH4eDBpPKmrRv44Ykf8adNNa6soDB3nJHqMhrOz8IE59ZWRqDxMst8= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAu49p+vtlLXnML5zGYsMn uK07q2yfFhkiLcyYMrK6wwmY7tmcA/0DFF27jUl59mp5C7e5SfaH9tqTgRMc69Kp o4O1/nG2jYFviOAF+FbN73tuear8nbHhwYBv64PVVnhxY7R47DBGvmD3iA59L58W 5MVdhyL5GH6/L63j7Q8kc3xr1jXxrKzJNbqfVdTCfKwfUWKbzxtS+dU6X/Va1r/S AM6d6eNjN+QmQHUl1k+EZT4NOJN3SO3DvfWG6VCXbx0nNpjR3igFR/+D1xxFeLYA 9Qx9Y2rjqGYwRYnfIiJo5MksOEmyqf0oKMyIipEMRivWyvgxbwvJa/DSKk38Km6s WCBaDFpj9+gZ1KDFIhuHY1+6nwZ+up0+Sq+lEjHjatjIftdpJ3FWHKG2TJfXCb7+ STGK9kR/dSA5x4U6CI5bDACR2kTmDGF6xoY7e8Fep2t5IVQhoD+jj+R6NfxcWy1v 8WWSr13IUnkvwZkBWnjDUKAkgwQG+jcCN9Xerf1yMXgJW4wZeFLsDrH4fTDR1h57 tdLRWDReoQ7GzhCOcI2nDd0vKtX/K7lP6xSEYEJe8TpF4B6+o9UDUArx3QA36vw4 NLlrUoQawTv3ReNlk3T+UgUo+zjgdCmO6n0Ign69PQtKaIa4wWPkUWO72O2CJXEa z4kA6jaGgRJ6rRWkGlxcdZcCAwEAAQ== -----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 330592121586326950580963968953761157301483 . . . . . . . . [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 2023-03-06 12:57:56 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-04 12:57:55 +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 'cassis.co' . . . . . . . . [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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 765178901723579869575602409264989526480133936286383080750190381902976162577377005302975406300561168986322210048955330083074797486692510507437681796114985510802728539170914097335582526054646342198885735766614896513211261544884631015918143213328556747534947701811730674609190457659369653149525086069127438223880078873473495676721016322274531092603126795130224762663025932418642049127571654175834444001837314734026169400866402323986462708950018955149873605598911094677049279217319610896490950609441863628217599479991641942228504247973623603876668508243378504779209848967245653441218552101771928560377980134604261758069848497969176455393235801556860327531273864888347767443743903239694258724442183530343199674095105695352804250516396125192337460096775056298215117891254663386761778372112064364431492707354151600031729499324387066883410774020751338095850797326470091163881585879133494820081195995129916245976310670948811776909427003762066803128811872065153349017197774227828549047095523320992202192877517934566490002097208195461532419556672297146178703609398288144706168983089794753712736153621367178887241140596730278742981018187004659713449378090793347807338432839599624740018139934930747420185452692884485193235528824576827007610680727 . . . . . . . . . . . . . . . . . . . . [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) 62bf96aaec1363d12a643faadc5dc24eb67bf812 . . . . . . . . . . . . . . . . [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 (28 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cassis.co' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cassis.co' . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000186b736f1ab000004030046304402205aae254d06feaff0f10ca845ceec08e920ec05c7edb5835858f687a3674ecd53022066d4c17f6c7162946b77ecd138e4bee0fcd7686b483503d73e828f52797c590c007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000186b736f244000004030046304402201c7ecc0881851ac35a55b29518177147e5dec1312af3e242e36c700d59dae3a6022072a9a05b613ea45bc8285501ea87fba9ce1dce59148133a6bf78c5eb6381d767 . . . . [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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