www.cuuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:32:a6:8f:72:81:f2:d7:58:d0:f3:e9:92:95:9b:74:c7:7e was issued on by Let's Encrypt.
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=www.cuuco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:32:a6:8f:72:81:f2:d7:58:d0:f3:e9:92:95:9b:74:c7:7eSerial Number (int): 278572372809569013119774600243678199203710
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 80:29:4c:c0:63:9d:ea:ff:f5:81:34:10:2e:0e:f6:39:00:b4:6c:04
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): cf:40:37:f8:3f:a3:84:08:d4:ec:4d:7a:0a:e4:44:67:d8:7e:7a:50
Fingerprint (sha256): 58:75:e0:1a:92:a3:40:53:3b:60:bc:f9:f1:1d:e9:ee:ef:04:4a:44:af:7e:65:6c:ba:38:d2:36:a8:60:bc:db
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.cuuco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.cuuco.com
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
www.cuuco.com
Other certificates including the domain name cuuco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.cuuco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUTCCBTmgAwIBAgISAzKmj3KB8tdY0PPpkpWbdMd+MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTkwOTI3NDVaFw0y MDA1MTkwOTI3NDVaMBgxFjAUBgNVBAMTDXd3dy5jdXVjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDZkAjFMtHruUxANe1tmCp9gC6SblsycltG j6VMh55kyzkIbOiCNmTpSwwkWDwGKbGv7mwxLW9ykvRNFSVkOCptUe3ekfUE6Rdu n+mTQAy5KxmRtcZR8Jq8PbK0zx8unJpz0krJuV1pe2sueJRJovjbdasZO7CMVnTV uKGoZ04H4+4vNb+dOCOsY7uLIpH7czsMD7bBo7UUFkgNW8zDqAsMxzfyU+CPdT28 is3dlYH+2s0+0BZIn9/u99zfk0s/pEaf1ctIqah6/dW1KsxRvZDnP2rdEVxeDgpf Yhh0FdJvGNs4jKqmRuv82piieBYMPuflAALNBvmhRhGU1OmuyL67yutKAwlw5iAi tvFoXGAD+STflpjnAGBCB710gAA5P009qazEoj7ISrbR0v6++D430EXGyRCLpO7w 2vHK01judeMRarPedTvglWg+fryxQQb2NrhQ09AIoBP20no1yUQ5CatlqyJrHNKC rdc+SjhxrEojb4SL0WtYV4IFOLseCJ223pcnVm/USQLs8ItFfXaqHeQ271h02e6f A/1KnDR3hHEEodHYNikHivhwm42NA4HCri7WTdhO9tM0SQXHsG3y0uUZB6KcLc7m GDFGq/E2ATnSXnEMNsnmpnefAIzZmirIoZqNG52Vl/VkiuMp9d0A0pnDdHUEgN9L n129CWeQWQIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSAKUzA Y53q//WBNBAuDvY5ALRsBDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5jdXVjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdQDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAXBc/UEEAAAE AwBGMEQCIGMoSn4nvmBcL0VdG8UiGguFNOWRAYX6zojPTuwBYk+NAiBVhkbMlJh3 HyzbLqnpLa3YCVZGHMCRBBcd8sMlIL49owB2ALIeBcyLos2KIE6HZvkruYolIGdr 2vpw57JJUy3vi5BeAAABcFz9QP8AAAQDAEcwRQIhAOy91Xr8N4AEUYCdyZfMGtPa /vdG1M8EaQ9KscSlwiHFAiB6qdWB0Zo3IqpD1WyfDE8eWIJwLsuMI5EVcxeczbs4 gjANBgkqhkiG9w0BAQsFAAOCAQEALC6VzlkI+L7t8NDURtGvWJigh7PSrheJTJpk /jZODrWeSV9P59Cv8gG0QYq6Y1grNyRz57vdZC0xKRrWrJ4iWEgarewYk3C6c4ru p4LPJNe7maezeHawFIPcBgrg/ajYEgCU5N0wMSVWpxWY/ejr30+rIC1bH/bB2Qld unOvjKqyw3SLuaoPwqsre7Odd9R+F7ONti/Ol709kFMG6o+DcqfVn2+pblokD+Dh KqYdjQbBbfhRgQ/6TvOTCS9gynKk9Il50THCP8uUSsbgQQDX3pYQBoQKocVlaI3v mWKjpIwZTMJ99jEhdKj2d5nOrA82qwNuHGTFhNV55EsupAzopw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2ZAIxTLR67lMQDXtbZgq fYAukm5bMnJbRo+lTIeeZMs5CGzogjZk6UsMJFg8Bimxr+5sMS1vcpL0TRUlZDgq bVHt3pH1BOkXbp/pk0AMuSsZkbXGUfCavD2ytM8fLpyac9JKybldaXtrLniUSaL4 23WrGTuwjFZ01bihqGdOB+PuLzW/nTgjrGO7iyKR+3M7DA+2waO1FBZIDVvMw6gL DMc38lPgj3U9vIrN3ZWB/trNPtAWSJ/f7vfc35NLP6RGn9XLSKmoev3VtSrMUb2Q 5z9q3RFcXg4KX2IYdBXSbxjbOIyqpkbr/NqYongWDD7n5QACzQb5oUYRlNTprsi+ u8rrSgMJcOYgIrbxaFxgA/kk35aY5wBgQge9dIAAOT9NPamsxKI+yEq20dL+vvg+ N9BFxskQi6Tu8NrxytNY7nXjEWqz3nU74JVoPn68sUEG9ja4UNPQCKAT9tJ6NclE OQmrZasiaxzSgq3XPko4caxKI2+Ei9FrWFeCBTi7Hgidtt6XJ1Zv1EkC7PCLRX12 qh3kNu9YdNnunwP9Spw0d4RxBKHR2DYpB4r4cJuNjQOBwq4u1k3YTvbTNEkFx7Bt 8tLlGQeinC3O5hgxRqvxNgE50l5xDDbJ5qZ3nwCM2ZoqyKGajRudlZf1ZIrjKfXd ANKZw3R1BIDfS59dvQlnkFkCAwEAAQ== -----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 278572372809569013119774600243678199203710 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-19 09:27:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-19 09:27:45 +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 'www.cuuco.com' . . . . . . . . [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 887578108503977239247548140289883089823412056804161552400403100536949737193084674477225587418633622848554034596853718570623615711468087150271865333134672995218505281272084070143788243731041191090795485568151509519697167217174565405631550529557135032054642489868860206477716153557639226036468318047634640485899486228277280678818302731847461515653977987036673614800905926304765687286668546991201642022210961045880297637911139338981442322282177126648750253542621590240157852650161018699046973312653482045122151985070741272940381080681868734391911051120639885673185659511532144637740244187202067393993115898815814627904288739772813609222168499510395006675941364512583215737259393947866433064520645218040037820415581070464515432669738707018392968683892224746564633481587150477632496404749146950719600860907608005803142795934032129565642457899138293565471375016980243007214310316809807616867114984484776174882149804279271671624730283516464663422676122223642229661580450949896816586084569106320387504781269770436041757496532078707157704838801795027897092644038966375625475145329139688759011682601953350208601074325415196440760259614220247945818852210126336655613390138898544099655410507552418259186194471049323674051487051944517792384389209 . . . . . . . . . . . . . . . . . . . . [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) 80294cc0639deafff58134102e0ef63900b46c04 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (17 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cuuco.com' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001705cfd41040000040300463044022063284a7e27be605c2f455d1bc5221a0b8534e5910185face88cf4eec01624f8d0220558646cc9498771f2cdb2ea9e92dadd80956461cc09104171df2c32520be3da3007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001705cfd40ff0000040300473045022100ecbdd57afc37800451809dc997cc1ad3dafef746d4cf04690f4ab1c4a5c221c502207aa9d581d19a3722aa43d56c9f0c4f1e5882702ecb8c23911573179ccdbb3882 . . . . [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) 002c2e95ce5908f8beedf0d0d446d1af5898a087b3d2ae17894c9a64fe364e0eb59e495f4fe7d0aff201b4418aba63582b372473e7bbdd642d31291ad6ac9e2258481aadec189370ba738aeea782cf24d7bb99a7b37876b01483dc060ae0fda8d8120094e4dd30312556a71598fde8ebdf4fab202d5b1ff6c1d9095dba73af8caab2c3748bb9aa0fc2ab2b7bb39d77d47e17b38db62fce97bd3d905306ea8f8372a7d59f6fa96e5a240fe0e12aa61d8d06c16df851810ffa4ef393092f60ca72a4f48979d131c23fcb944ac6e04100d7de961006840aa1c565688def9962a3a48c194cc27df6312174a8f67799ceac0f36ab036e1c64c584d579e44b2ea40ce8a7