cuuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:51:70:02:03:b1:e0:72:0b:a5:7c:71:a1:07:e5:d3:ac:a4 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=cuuco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:51:70:02:03:b1:e0:72:0b:a5:7c:71:a1:07:e5:d3:ac:a4Serial Number (int): 289048613510938459218547452759451106520228
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: fc:a9:9b:fb:44:53:6e:9d:a9:27:04:a0:18:06:a5:52:cd:dd:7d:c1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 90:13:10:f7:eb:38:ad:27:10:af:84:cf:08:52:b9:94:3b:3b:7f:89
Fingerprint (sha256): 36:4c:cd:bb:7f:a0:4a:e1:67:8d:05:51:cc:a9:dc:8c:d3:68:03:8b:d9:1b:2c:05:eb:05:c0:40:a1:9b:6e:d3
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cuuco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
cuuco.com
Other certificates including the domain name cuuco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for cuuco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSjCCBTKgAwIBAgISA1FwAgOx4HILpXxxoQfl06ykMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIxMzAwMzRaFw0y MDAxMTAxMzAwMzRaMBQxEjAQBgNVBAMTCWN1dWNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAJtk47ADRLqjtgPqWrRmIYjmRwBlFYdWeZWrvJsJ HOE0h2SiOnGuT39RWxkS72+2QcrWe/LQi66XHIy1fgrT66jc9KqT0qruUtpDredX UBNPXggad8w7LAajEMMH43hzgWQL1UCVKVAu/1rq1n/mwVmoQpsvOGcg5c7SscfL FTYFfDvwk2umgO26vqUQqYaxBkPDgFSmmtpF+H/oTQUGeJyVxR/diFpG+ULqMDbc njdYYSvqCUKhGs0zf02EDsRQxbZFS2Ksk1S5m2ZyNqI+mdx0SmfsX+meUpzqPXJs WC3RSfXDixHxlNG3qysFFZ409cye8MXxoinMl7oQEhDNog1RhVFVRDEd2+t2YGxo FsfB+6iIM/hFr/c+R4jJKgeq3R6QHDtVdvF7vw+Ff15bRPgIjRJ9I7pnuBiEe1Qf 3o7EjO+2L94fg5AoXm6R7UZDONPZfU7dE328Lcloj5NpBjW5LjAWNKruSjPwGZ0N 02sI6DdnCmB4x6pswLirmRYRoa31l6w7hWXVpZBIMIrQvfkwqC4L4aUNIp6XdAQF q3i3MAf8uvSYHaZyABVKBt/n9Wnkdrt6zlDMB6TKuO/FF78nfb/YqlnrLIcfRhhE 3+kYKhNlhxlm8iG2M2PF7JneqQjJCBaZO43bBot3jsdESCc55nXkKDeo9ycn/73o BJLnAgMBAAGjggJeMIICWjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFPypm/tEU26d qScEoBgGpVLN3X3BMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJY3V1Y28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAsh4F zIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFtwEVd2AAABAMARzBFAiAt 4Qw4IwDh3ju2b/4b3AYdaRX62NeTQ2M0xIUkpY3lcwIhALWDw48I4NC3FuXnYylt Zz4PWGeqAVMXtbPO7I6ZKGNAAHYAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1 loFxRVgAAAFtwEVh4AAABAMARzBFAiEAw1Q07FuUj2CCtl/xjGWdRNefH7/aoMkQ oogb28epgKMCIDuRUKK8U+TvUnt7w1u98DBCbYksHIYJwKUTMEHU/uW3MA0GCSqG SIb3DQEBCwUAA4IBAQBUAcGwCBAFo9ft+H1NOxNjPUJc4qjn+UBcfUA24KPnjMXx q2uFvspPOxKCDd66I5qyqWhcdfBp2lwMFsisQh7vQonbqZ7LETRjsGdQ6BQob+H7 p9Y41wN3igG6WClc+uff7iGswrbyYZ3dgzDUDsWSGUZGu211MyoJhYJdIt4hzjBz 2QB+Y8J/Xp70LuJU3pOlgIOxQzbcEkMuLxg7aV6mVzQrMveV3N84oyoBEgumULh9 ZsH4q9a39fzwzl1tB9E2MTkK6Yp1UaDDy3HvMSTVZQz9MKl3q0ndWcmCjpI4Mxzq 3+6LBqSOv1vfye9+Z5+U0utjhle1xrVJYRAqBygY -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAm2TjsANEuqO2A+patGYh iOZHAGUVh1Z5lau8mwkc4TSHZKI6ca5Pf1FbGRLvb7ZBytZ78tCLrpccjLV+CtPr qNz0qpPSqu5S2kOt51dQE09eCBp3zDssBqMQwwfjeHOBZAvVQJUpUC7/WurWf+bB WahCmy84ZyDlztKxx8sVNgV8O/CTa6aA7bq+pRCphrEGQ8OAVKaa2kX4f+hNBQZ4 nJXFH92IWkb5QuowNtyeN1hhK+oJQqEazTN/TYQOxFDFtkVLYqyTVLmbZnI2oj6Z 3HRKZ+xf6Z5SnOo9cmxYLdFJ9cOLEfGU0berKwUVnjT1zJ7wxfGiKcyXuhASEM2i DVGFUVVEMR3b63ZgbGgWx8H7qIgz+EWv9z5HiMkqB6rdHpAcO1V28Xu/D4V/XltE +AiNEn0jume4GIR7VB/ejsSM77Yv3h+DkChebpHtRkM409l9Tt0TfbwtyWiPk2kG NbkuMBY0qu5KM/AZnQ3TawjoN2cKYHjHqmzAuKuZFhGhrfWXrDuFZdWlkEgwitC9 +TCoLgvhpQ0inpd0BAWreLcwB/y69JgdpnIAFUoG3+f1aeR2u3rOUMwHpMq478UX vyd9v9iqWesshx9GGETf6RgqE2WHGWbyIbYzY8Xsmd6pCMkIFpk7jdsGi3eOx0RI JznmdeQoN6j3Jyf/vegEkucCAwEAAQ== -----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 289048613510938459218547452759451106520228 . . . . . . . . [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 13:00:34 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 13:00:34 +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 '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 633952615154684568577038874492229532157884675707174527480373957680272940438764422558572050217331355675187418868648519930116619368971265523395702364445887139586131666089651795229515310270119051015047561034011177766244933225199246330734313840253480641182064247787787504293195635886488633035802767200201882538481161165860535549054842424284976765915854128072641984681636681610357668321319424529183314896025780415374464981265191849408353202747366584991544294044617422510979600990206228550170133269142599086244035183139040846053964239548062586758543390928140768117155105391816781666409741841876612541978946584772480827379582609998051816400830575534361323422752662230025126181193809401275119024171059478788510916067046912244234383237620853868750463360212418036451306221168179388513139110292803129408899521760851185960513465312868983606546272694421688817643249836562626365113040855434223785773521198723422974091329926278462617385608322451658381965231204703774672600404321528500132551712289214502696064320734675054199971414011926580949058538145348003736066506183620465507933811751615897156600013153319439555559069246641057242050283823890644332278789048154835799280156962522426274385098496057711447284551290791489465556868358669308898559955687 . . . . . . . . . . . . . . . . . . . . [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) fca99bfb44536e9da92704a01806a552cddd7dc1 . . . . . . . . . . . . . . . . [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 (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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) 00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc0455dd8000004030047304502202de10c382300e1de3bb66ffe1bdc061d6915fad8d793436334c48524a58de573022100b583c38f08e0d0b716e5e763296d673e0f5867aa015317b5b3ceec8e992863400076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc04561e00000040300473045022100c35434ec5b948f6082b65ff18c659d44d79f1fbfdaa0c910a2881bdbc7a980a302203b9150a2bc53e4ef527b7bc35bbdf030426d892c1c8609c0a5133041d4fee5b7 . . . . [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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