www.cuuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:1e:b7:60:ba:42:f9:f4:cc:b1:d1:99:3c:41:08:00:32:5f 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): 03:1e:b7:60:ba:42:f9:f4:cc:b1:d1:99:3c:41:08:00:32:5fSerial Number (int): 271789079764470555509107257752753262309983
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 42:6b:49:29:41:31:34:3e:f4:5f:8a:1f:50:cd:58:c4:23:05:c4:5d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 3a:fb:5c:ce:df:77:4a:4c:04:24:c5:e8:5a:ea:93:e7:5a:ff:97:c2
Fingerprint (sha256): e7:a8:04:56:12:f5:cb:6b:86:0a:c1:0e:bd:67:16:2c:6b:b4:83:eb:11:ad:0d:79:9a:b3:ac:5c:2b:e9:57:b3
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----- MIIGVDCCBTygAwIBAgISAx63YLpC+fTMsdGZPEEIADJfMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTIwNDQ4MTdaFw0y MDAzMTEwNDQ4MTdaMBgxFjAUBgNVBAMTDXd3dy5jdXVjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDLBT6EqVGxq61BVhpfp7MrBjpl+Gpk0k5v DBCtwOLt4x6UJSwMlp7/vHN68LqK8FCmCOCVLZtWs/bdZFLcGhBpyJq1f59hMYWF oJzLQSzYlB4DMgTiY1Wgvw4CQtTfGsNJXdL+y/maMNWyYbdz6HoBS1uRm1gkM3NJ 3kCG4fI9+q3ceE3ULCRvyh3sk+x318O1iqPkZ9u5KaltmpTkN10B5wg1PIdBugDp kRRbWCuNNy4MJYCNrgYvHTQ4q442JjWacD1fJFGQp3T3ppDX2snTYqmepL2YgZFY MdeuvZuE64LoqamL73hKRaZvI/VvPLK4EeBeiWTGw44Es/6itAYy0NJCrW2Zntx4 UK8pafETXn8LuRGVt6HijkL6qkqp9wlL1/qCUFJm8MXs/1K5BuU+MRfCEPHIfZAw O0rXWWbFI6nJZyz/XD20Ip+aPf57Fc8bwywihs/Xf2rtUohIggisX2TO3SXmw6Rt m1T3m2W0MWB4q5X2Y88BZSJBkwNwGM+EE0NJdo7hX2eQYpD888DZen6saOYVJWu7 apMGKSJkfeW9F8K7YUExENlHXrkjgh8kbI+Xzz4jybKj3fe+95Yz+E4WJXMDXQXp n4TE1VDA3kkziBPMRpLmAQYPp4BXqpxeTuBaA45BQ6c5zhJ3kdcdjyfSabYeW0f7 lVzeWwH7CQIDAQABo4ICZDCCAmAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRCa0kp QTE0PvRfih9QzVjEIwXEXTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5jdXVjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEGBgorBgEEAdZ5AgQCBIH3BIH0 APIAdwDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW74ppdDAAAE AwBIMEYCIQC4rYy0LcY3RVvp+45uhpXdSxhbgFy3cL2yV56KZLDuiwIhAOJtDtJH UwfN4FXJQ8GoTrqCjAc6b58il2e5Egr+eZFPAHcAB7dcG+V9aP/xsMYdIxXHuuZX fFeUt2ruvGE6GmnTohwAAAFu+KaXcAAABAMASDBGAiEAgdapGL0BWpCpdGJ+uSew r6oje10+Oy9PEsHE7RnyWE0CIQDmRsqT7tQuqGNMaGQNQfabIhZXxVX/l08teb9o /puLuTANBgkqhkiG9w0BAQsFAAOCAQEALxxxvFKpYCLYqNf18lvkxy8DP1D9IXId oryrzVuSt+CQaoPzk0E3s5YVcTMcIps5R5ukLWYeVQPWtubv4hhZgdWQN/VLZzcy 2kF3N0VU4KQH8U3NB/UAL9pne8Z9NCKjozMw1D0qsTrt5k7A2Dert9KI1wiVH7i/ CiQKvrWTzSMmKLWszQ73HBX3ebxK9huJ9Tx6T4hZKo+PGO19bnRIbXi7qxXBc7A8 AC6AWII1nkENmF6owm0tJxIx5x1qfz7m6vDgv02S5l6QEA2i2x0r0BweA3Ndc/nM 1bTf5LoeJuf/tvIlhPOVEVVkUd5Ko7zHO+np1ZU8ASkbUIFSTB7TsQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAywU+hKlRsautQVYaX6ez KwY6ZfhqZNJObwwQrcDi7eMelCUsDJae/7xzevC6ivBQpgjglS2bVrP23WRS3BoQ aciatX+fYTGFhaCcy0Es2JQeAzIE4mNVoL8OAkLU3xrDSV3S/sv5mjDVsmG3c+h6 AUtbkZtYJDNzSd5AhuHyPfqt3HhN1Cwkb8od7JPsd9fDtYqj5GfbuSmpbZqU5Ddd AecINTyHQboA6ZEUW1grjTcuDCWAja4GLx00OKuONiY1mnA9XyRRkKd096aQ19rJ 02KpnqS9mIGRWDHXrr2bhOuC6Kmpi+94SkWmbyP1bzyyuBHgXolkxsOOBLP+orQG MtDSQq1tmZ7ceFCvKWnxE15/C7kRlbeh4o5C+qpKqfcJS9f6glBSZvDF7P9SuQbl PjEXwhDxyH2QMDtK11lmxSOpyWcs/1w9tCKfmj3+exXPG8MsIobP139q7VKISIII rF9kzt0l5sOkbZtU95tltDFgeKuV9mPPAWUiQZMDcBjPhBNDSXaO4V9nkGKQ/PPA 2Xp+rGjmFSVru2qTBikiZH3lvRfCu2FBMRDZR165I4IfJGyPl88+I8myo933vveW M/hOFiVzA10F6Z+ExNVQwN5JM4gTzEaS5gEGD6eAV6qcXk7gWgOOQUOnOc4Sd5HX HY8n0mm2HltH+5Vc3lsB+wkCAwEAAQ== -----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 271789079764470555509107257752753262309983 . . . . . . . . [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 04:48:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 04:48:17 +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 828251318141550485518073588025900684955561088143742328071709095023101053176042975136497375148932148811039793773972172721049382216346241041646171870542076122800150457883280757632582551236109206916949666968090103785751137577295267206263064385813636133072859079570020601974884796078688497767320503215675355056339917511124498339001575056815997697518817117958144626894033717839514050184585462089942998412972963573731989495064584401629989263254519636676323829739223510855572271176983352607705395187160592763971762304522158526639388099470047786321301305977034754597709420642163779491674924118093884890661505357794681983206121018653589779228431833482284318748491840503640579719491856473244395808571608394290192066051869001178192563675442115212835945877452056382244097545129179875453264642099657962273243108022475690217141039033932641938178629767362238833910165984767370384495703296176262858797239504116513875379009198985642339990169242976589511900155476898583912082880922502107168339635636716725353609533738027468118162295419273546178777328064508553382735360680072506605715178737466864077593560867028938123596310623055603756427202763005237644246227281349818306040922973287617683831373418682208141237290570574211140706800139629170477016152841 . . . . . . . . . . . . . . . . . . . . [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) 426b49294131343ef45f8a1f50cd58c42305c45d . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef8a697430000040300483046022100b8ad8cb42dc637455be9fb8e6e8695dd4b185b805cb770bdb2579e8a64b0ee8b022100e26d0ed2475307cde055c943c1a84eba828c073a6f9f229767b9120afe79914f00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef8a69770000004030048304602210081d6a918bd015a90a974627eb927b0afaa237b5d3e3b2f4f12c1c4ed19f2584d022100e646ca93eed42ea8634c68640d41f69b221657c555ff974f2d79bf68fe9b8bb9 . . . . [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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