cuuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:92:55:ce:38:df:59:c2:44:5a:55:e2:4e:5c:61:f4:f5:bb 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): 03:92:55:ce:38:df:59:c2:44:5a:55:e2:4e:5c:61:f4:f5:bbSerial Number (int): 311132138512042928694657604445352947414459
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 39:ce:f2:5d:19:ee:7c:91:28:f5:dc:00:26:15:be:02:26:a7:61:78
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 1b:11:38:de:b8:3d:8e:6e:71:37:df:5b:9c:c1:3b:a3:08:44:5b:fb
Fingerprint (sha256): 67:a9:87:8c:9e:20:c4:96:6b:e9:a4:6c:1a:ab:e6:12:47:aa:6f:82:45:8c:2c:c5:7f:7f:57:fc:5c:ef:e1:33
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----- MIIGSzCCBTOgAwIBAgISA5JVzjjfWcJEWlXiTlxh9PW7MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTIwMTQ5MjZaFw0y MDAzMTEwMTQ5MjZaMBQxEjAQBgNVBAMTCWN1dWNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAOJ88w2RwNqo2YL3PLAFP30CkwkmPis/vbG9uLdj +f9+NlEOef/QiT4CD6RGmxM3NK1EObkynMwLfvYud+eLOYw7wPEjyffeYsiBwkJL 7T1z8gKP9Cxnd8j5dU25M30WMniYrLD7BjsVdvKzkAIDbU9IXd63N7+Hg64HEs3t iMSbu+B7a/w+JqywRIZcuSA0ggDXjOk6HyMW9+niOQpRgPUvqCJe1f4FJvHZEdb9 7dmjLwJS+8ASd2px4+1K8wSUuUytu0aOxoBDyxPbNdnfOCEdN91Iql0bYBKqPp/8 7j2aoxqdtg2MbLJ39O0xcAzAYKrZ5okj5B4JhkJr3PP3VwO61KLE/IrcnO0V0Wk7 S7r4BuKn9ddUpX3wfIr3tv6v/jH08uq6rNSqSVpLwYKJeyl55R4rUfV6JA1wINVb XuEBRferSFywrTlLYPci3O3lxT9OR89kD/L3TCma0uBnfiTd1e8ie5h/s5MJYnhB oimbABW7ffmrFYZiG8CE3UP+3F7o4FYQSfkXJkv5Cc0hZ0GU6oF2Sd3fkmaf3adX AApWiTTqkWF/iSaYDBcGGQ3Ll97+FBGWkEBqP02IagEv4v+VOxjSkqZB2guvJ3B4 3rEl4ZMo3IxR+hE2jMpYZ2Huuqg4zsw2KF0L4oarPdBM6PblI0NbmfrwBypR3JzF CTIlAgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFDnO8l0Z7nyR KPXcACYVvgImp2F4MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJY3V1Y28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcAXqdz +d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFu+ALY3gAABAMASDBGAiEA mIY2aMTRYw/DJTVXScCf09FxwW+wgT4fcKOR3Bb+w0YCIQCDy2+q4wOO17Nm0n/n 80gP/p1iv57T9urt6nxfpgRnuwB2ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJ Uy3vi5BeAAABbvgC2MgAAAQDAEcwRQIhAP3Nvi6avAKDhqf+zyzBTbaMif2vdKgP PH5pdXK3bvwxAiBg1YvKmvLfY5s+e4wYFQaEG615RzZ98cl4myXtNahnQjANBgkq hkiG9w0BAQsFAAOCAQEAQpSUe6VZUcEnv+K2lZwnkqhgNKMxm39mZNaqrQrVxTCa wiuHjxNtrKCxhfYe/krVyjgrRHjbrxQFd3u6Zuu/r39Yp5JmQSOXkTDEj4IuLSZ6 QKKqOa7uTheyfk1SNUkMkI9uDAWYjP3DgO0a4BKTkbfDXXYlglfixVGCG1tuJQw1 S+txbY85YcVv+iYrfXophaDlgIUAFi+OvrZcd4Hmzp56yuiz31psjKLGLCSTIv7+ ZIoQZ4roN6nZ1fchKIpDC2CDJDN/9URsTASXq6Rn4VtpXqUxj8VK2cY9WM2N386D BsoVQ+u3FRVLN6HlWcamX4LUkVSKPIPa828KIYzzLA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4nzzDZHA2qjZgvc8sAU/ fQKTCSY+Kz+9sb24t2P5/342UQ55/9CJPgIPpEabEzc0rUQ5uTKczAt+9i5354s5 jDvA8SPJ995iyIHCQkvtPXPyAo/0LGd3yPl1TbkzfRYyeJissPsGOxV28rOQAgNt T0hd3rc3v4eDrgcSze2IxJu74Htr/D4mrLBEhly5IDSCANeM6TofIxb36eI5ClGA 9S+oIl7V/gUm8dkR1v3t2aMvAlL7wBJ3anHj7UrzBJS5TK27Ro7GgEPLE9s12d84 IR033UiqXRtgEqo+n/zuPZqjGp22DYxssnf07TFwDMBgqtnmiSPkHgmGQmvc8/dX A7rUosT8ityc7RXRaTtLuvgG4qf111SlffB8ive2/q/+MfTy6rqs1KpJWkvBgol7 KXnlHitR9XokDXAg1Vte4QFF96tIXLCtOUtg9yLc7eXFP05Hz2QP8vdMKZrS4Gd+ JN3V7yJ7mH+zkwlieEGiKZsAFbt9+asVhmIbwITdQ/7cXujgVhBJ+RcmS/kJzSFn QZTqgXZJ3d+SZp/dp1cAClaJNOqRYX+JJpgMFwYZDcuX3v4UEZaQQGo/TYhqAS/i /5U7GNKSpkHaC68ncHjesSXhkyjcjFH6ETaMylhnYe66qDjOzDYoXQvihqs90Ezo 9uUjQ1uZ+vAHKlHcnMUJMiUCAwEAAQ== -----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 311132138512042928694657604445352947414459 . . . . . . . . [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 2019-12-12 01:49:26 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 01:49:26 +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 923990767121669680445976241996025340535090401807304982298998880569981496192516558886832688643259798458380858329468008302013266397914645297900857520288237663768185076902306079081869406495500152844375353917123655961429105008401728679441977917698095907714000749550084050414620948612330752737864049343347093936572607972456487828307799425402528735910944098337985526156775469912062205933153559137810971809803580436095621758974747657841989278973100983894152078515545683762078091294944379143747379107801603114157189380329513253943560760209786657201256128258742829349516924726459340719065029075938459077332176108988343860719721562545006131063180604080388348413734128743372743021789062463482486345073735468600905256008878840213985401793763449325580847741892319026910765936322426855826325238724913773721126975988268606789798540994442814961418926772873726760290784528657970026583680274909649123268916962843284195319340582193885784058488054379802091972231240667120015330892601996582397782968527737974524399703873949713610221721032590178953084441356820188239912262370610590394666816547124794334107279011268889624794185903196590829331423315568819545481960522944236580744713853164126728338605303380049334341913414429939412931029004773286335822246437 . . . . . . . . . . . . . . . . . . . . [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) 39cef25d19ee7c9128f5dc002615be0226a76178 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ef802d8de000004030048304602210098863668c4d1630fc325355749c09fd3d171c16fb0813e1f70a391dc16fec34602210083cb6faae3038ed7b366d27fe7f3480ffe9d62bf9ed3f6eaedea7c5fa60467bb007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef802d8c80000040300473045022100fdcdbe2e9abc028386a7fecf2cc14db68c89fdaf74a80f3c7e697572b76efc31022060d58bca9af2df639b3e7b8c181506841bad7947367df1c9789b25ed35a86742 . . . . [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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