www.cuuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:21:54:3e:d2:a5:6b:b0:3b:fb:18:56:c6:15:af:ae:27:0d 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): 03:21:54:3e:d2:a5:6b:b0:3b:fb:18:56:c6:15:af:ae:27:0dSerial Number (int): 272678157250134862858750999124339636184845
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a5:4c:65:35:9b:bd:1a:65:c3:74:0e:90:a3:10:a5:c5:5e:cf:da:24
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f4:37:1b:5d:cd:ca:f7:c9:43:23:81:59:c5:4d:8d:cc:34:55:8f:30
Fingerprint (sha256): 0e:a9:57:cb:c5:53:bb:91:e9:14:f4:52:41:cf:54:54:5e:25:46:d6:97:ac:e7:14:f9:64:80:25:cc:9f:55:15
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----- MIIGUjCCBTqgAwIBAgISAyFUPtKla7A7+xhWxhWvricNMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIxMzAwMTlaFw0y MDAxMTAxMzAwMTlaMBgxFjAUBgNVBAMTDXd3dy5jdXVjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQCs2V2UwxaoGy8KZx8w3lUekJ0exAlGeaMP OsB1rUzJe7HTiaZzpAn8yWwyqshsk+NsgBUWV+pjGTKre/Q14/nJmtczOkizbUso /UtP2A4EaodSGasLQivO6c4H+mfMCGgmT9qnDq7ZEbGVfamkA3aAGICCKLixW09v bNHPiwbehch8+fk/99f9YAJ6chLqumhtiYHusK7RhGWNTRoOSrPXCYHM0tQFBI2b dWzrl7zZPgr7Ii10psKV/arKKWJ0+Bz/D9iNSYzuaWOrjCIQKFlqar4njYK+S82E kMwBq7dNLDmVevltMmjep3ghXKlhvlDH3g5PHOzRJY3QPO15OAAv6c1WrFpbOwr4 X1Plsg4D+hmuO4KdljAF45E56fxxntWzTUbqO8mo/qobCsyZSXGL77c83zvLN6MT IQKtyj0pzgp0zZIbnOVEi2YMHVlOyPkDN44oKIICLbK2Q7JtgEFkN4u4/uyqeXOv 8dCHPeq1RwQOH9LDshFlhdtSm3L+475WPKO1hrHlkLxqgRmlEj1MgOs3xivOTqZW CAvpBEGkpCSWJjuwBb70cAfrxJPsRBdQOO3TYK4cpZkVPIx2W4WmQYVhJ7Sh1ZRx kH2kKD4qhhq9VnHt8muR9RRAz3e4IfLvDOA1GwZtSiZdJImDzNGMLmQYDQGtVBPY 3IxXuIEjfQIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSlTGU1 m70aZcN0DpCjEKXFXs/aJDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5jdXVjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdwApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAW3ARSIvAAAE AwBIMEYCIQCPZsgddtBLiiu/7IkIGeq1iy1KRa5Bhd1bQvXPVSfQZAIhAOvDNDZJ UMNoL9tP+q3r8fB29W1OhZTt9jwilSYdjdoSAHUA8JWkWfIA0YJAEC0vk4iOrUv+ HUfjmeHQNKawqKqOsnMAAAFtwEUjtgAABAMARjBEAiAgpmLuqNWQUK7vQBK0QR+x /kodPFwRHB3DdnaVHhufkwIgUweY4bTQt373rK3DJ/TjC0xUkfUMb1GCh5ePoO82 S0kwDQYJKoZIhvcNAQELBQADggEBAJE0+p+O/+9Na17iGPHjFuS472wCLUAWWoOn wgnvWNx8+Acmbo6YbdR1gBcngdMPt5Ppu2Ikapp3e1Su/kg7DiinO4lGkghrwmGa Xgz8mI9H4vsAuEubaDn0OsijOytWeks3ZMPdzY3ICtT/8kiQ0zuoDKtrSBZ+stZQ 44AVLZs8bKc7i04I1xc9SOK1kSpPaLuvTsHR+EWfmvXADth4pagvz1I64Ko/hp6g 1YKOQ1S8JBcxhRxhVEvFy3Tnos8R48VZwIGR824peuhkWYTjZgvaY9VerI88IiVV Zqb4DMyAzzfX8U3WSgQUGyhjZouHJp0h51cf3dFlN6NfLHZUizc= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArNldlMMWqBsvCmcfMN5V HpCdHsQJRnmjDzrAda1MyXux04mmc6QJ/MlsMqrIbJPjbIAVFlfqYxkyq3v0NeP5 yZrXMzpIs21LKP1LT9gOBGqHUhmrC0IrzunOB/pnzAhoJk/apw6u2RGxlX2ppAN2 gBiAgii4sVtPb2zRz4sG3oXIfPn5P/fX/WACenIS6rpobYmB7rCu0YRljU0aDkqz 1wmBzNLUBQSNm3Vs65e82T4K+yItdKbClf2qyilidPgc/w/YjUmM7mljq4wiEChZ amq+J42CvkvNhJDMAau3TSw5lXr5bTJo3qd4IVypYb5Qx94OTxzs0SWN0DzteTgA L+nNVqxaWzsK+F9T5bIOA/oZrjuCnZYwBeOROen8cZ7Vs01G6jvJqP6qGwrMmUlx i++3PN87yzejEyECrco9Kc4KdM2SG5zlRItmDB1ZTsj5AzeOKCiCAi2ytkOybYBB ZDeLuP7sqnlzr/HQhz3qtUcEDh/Sw7IRZYXbUpty/uO+VjyjtYax5ZC8aoEZpRI9 TIDrN8Yrzk6mVggL6QRBpKQkliY7sAW+9HAH68ST7EQXUDjt02CuHKWZFTyMdluF pkGFYSe0odWUcZB9pCg+KoYavVZx7fJrkfUUQM93uCHy7wzgNRsGbUomXSSJg8zR jC5kGA0BrVQT2NyMV7iBI30CAwEAAQ== -----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 272678157250134862858750999124339636184845 . . . . . . . . [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 2019-10-12 13:00:19 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 13:00:19 +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 705162740955161755439538881272474413301855480583825768023664164228777923943986828908496059153412137560048547752100229877389974183638068384727567261849056507739548053279579024710648886830784430668688099762215569960086011463243209544747351334417903600147806218628374126449864321428937865678596293877306400825492293918539197387055287687755590932927563632752068277573727876215255976586487563766956645975755267332803455549972404368505008671596842917930614322201819474394679782875217170318982415244375164958427707066026042576085679311777517138058602699670784233868742327431475960189672751815725499674805652057805189313948309492791091419519404311864962319040520253729118526255131078473569799014191600290885258376898483813810880483022910257872808232934108432288666661792799896937632725031340115005399295824771092279772477618957652997938037659531645546170537638674591531665813176329835905107906192506885665204866413324962095029416007635421126240704045605663013412340484425317820808540415450772844225962025306135333858037644736735981767852249312822754283315536096900908191037107249186719682952747931503231072180522133912644108967544507502411248394759691193548486585776896661806790086824298830312656541153023559752377912341369748818754887820157 . . . . . . . . . . . . . . . . . . . . [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) a54c65359bbd1a65c3740e90a310a5c55ecfda24 . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc045222f00000403004830460221008f66c81d76d04b8a2bbfec890819eab58b2d4a45ae4185dd5b42f5cf5527d064022100ebc334364950c3682fdb4ffaadebf1f076f56d4e8594edf63c2295261d8dda12007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc04523b60000040300463044022020a662eea8d59050aeef4012b4411fb1fe4a1d3c5c111c1dc37676951e1b9f930220530798e1b4d0b77ef7acadc327f4e30b4c5491f50c6f518287978fa0ef364b49 . . . . [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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