mdesigner.microduino.cn
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:1a:34:1f:79:da:ae:6b:a0:cd:61:de:3c:ec:9e:4d:a6:52 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=mdesigner.microduino.cn
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:1a:34:1f:79:da:ae:6b:a0:cd:61:de:3c:ec:9e:4d:a6:52Serial Number (int): 357365768555466098817691451851474364900946
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 19:04:5f:9f:bf:72:a8:28:7f:4c:59:d7:f0:4f:09:8e:6e:71:a2:28
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 8b:0e:13:99:5b:c2:5b:57:a9:98:cc:29:06:bb:08:a2:56:90:fc:ca
Fingerprint (sha256): 1a:31:89:3d:b0:30:17:44:56:fd:6b:b3:56:cd:ea:98:45:2e:af:a3:53:52:47:ca:77:0f:f6:d4:bb:4c:73:0f
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate mdesigner.microduino.cn
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for mdesigner.microduino.cn
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
mdesigner.microduino.cn
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Certificate
The complete raw certificate details for mdesigner.microduino.cn in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGZjCCBU6gAwIBAgISBBo0H3narmugzWHePOyeTaZSMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEyMDIwNDQ3NTNaFw0x OTAzMDIwNDQ3NTNaMCIxIDAeBgNVBAMTF21kZXNpZ25lci5taWNyb2R1aW5vLmNu MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuYivkJ8Fngy3TQBJYDpL Jq4VfS3QNj/WC01tAxh5f9YOkshWZRsQpFHMFsK4qSuDV3PdJ3rfpJabyXvV2crr pNvNzLCGfzpez0IHzHW8SLdJMkYbBitu3XvAxuAuVBXzEeGpFrsiXzC+8EE+YrFD yvcFwKc/W+mC3LiOSE1HnA+nZrfLRkZ+SpiqOAC8vZP8VeXW7AvPJufqR+Dvf01+ yshBpi6FMdjS9pA1A4toXxAe+TF5AmqziY3B2cJLZxXMPCMTMzN/1yY6Klhw+mLF bKHc2R8aKZ5SMdJZlN6/ysiQROto8oAwXFNLAKbKtLPOpxvkDpVUZaQsr66f26Kh 2OtzWLs2AO+tHf7Jwp16cSr9IKjxzWiuYLazvPGnl0jelbCUwcHvmzBrNHRhzoJ8 DsxIOOtIQWMFkisLljHim8T3nXp6RaSEYHYqkwfM3P+hSCBm+za1Bzf4l5c+sun3 SnU0N2SrqfXOJlEAqnr7pgSsihlkPGk8Z6pGpgFjwae7LvUhxcJq44TfZCxz+nE4 MF4arHi48vsqcOZY8WwCPVaM0IUG5wv3LGzubboY/paab6v4WyLPFqXtuMLr8nJK jg/8DL/Za6oUbs6na+mmvOS6eQ/bcABNbVAXOTdCmbQFT+zyaHuyPBQ9CqG97X6+ Cap5jzDijUvst0Sq3/KNkosCAwEAAaOCAmwwggJoMA4GA1UdDwEB/wQEAwIFoDAd BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNV HQ4EFgQUGQRfn79yqCh/TFnX8E8Jjm5xoigwHwYDVR0jBBgwFoAUqEpqYwR93brm 0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8v b2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8v Y2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAiBgNVHREEGzAZghdtZGVzaWdu ZXIubWljcm9kdWluby5jbjBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLf EwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCC AQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AFWB1MIWkDYBSuoLm1c8U/DA5Dh4cCUI Fy+jqh0HE9MMAAABZ211dUgAAAQDAEcwRQIgVoQ+yIpyeuQE/eqLEKwcbdrl/7sz lAhR4lCws48X5tQCIQCjzc5IM3Fax60LQz1kJw7pXWbdPo/peqXxvY2VLavxMAB2 AGPy283oO8wszwtyhCdXazOkjWF3j711pjixx2hUS9iNAAABZ211dJAAAAQDAEcw RQIhAPl/C2kmIrYO/hr8aSHPDly2Q+SxjWmY8O1k3MotofZoAiBEmxdBEU7CYeEY 5liYKmnusVnHXBr0ZmLXOKdoOjjVZDANBgkqhkiG9w0BAQsFAAOCAQEAES5Oq8i8 fw3jQdY0OJxKCXS7+SPA8DP26GI3sIBhLCKOX5oa1dWw671+qha+Y4Sjv0apUZiU GreMadfDyzMbJ3bUhSX/+O8KcH4KRnetS8DmTMG0djbIS4gRIEP7ZUfChuu/akwL Ygi4QPeXEMysaQ9k2sxtrVB+ZTA+7/rDD9u4ZPpI5apr8eomMzttzjI5QQtk9NgK EI7njUxfUck/H05JEzuGwZPTdMQmXd3PL41nbZ+8SnvrLoIJLTNisdBouyn6UaEZ MF2rRVfza/xP+61ZkrTaa6hjyVSH+gwVnLVxrcdCKyykSfwvnG/y2Md4oPMNlsng vY74zV4WhAw6hA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuYivkJ8Fngy3TQBJYDpL Jq4VfS3QNj/WC01tAxh5f9YOkshWZRsQpFHMFsK4qSuDV3PdJ3rfpJabyXvV2crr pNvNzLCGfzpez0IHzHW8SLdJMkYbBitu3XvAxuAuVBXzEeGpFrsiXzC+8EE+YrFD yvcFwKc/W+mC3LiOSE1HnA+nZrfLRkZ+SpiqOAC8vZP8VeXW7AvPJufqR+Dvf01+ yshBpi6FMdjS9pA1A4toXxAe+TF5AmqziY3B2cJLZxXMPCMTMzN/1yY6Klhw+mLF bKHc2R8aKZ5SMdJZlN6/ysiQROto8oAwXFNLAKbKtLPOpxvkDpVUZaQsr66f26Kh 2OtzWLs2AO+tHf7Jwp16cSr9IKjxzWiuYLazvPGnl0jelbCUwcHvmzBrNHRhzoJ8 DsxIOOtIQWMFkisLljHim8T3nXp6RaSEYHYqkwfM3P+hSCBm+za1Bzf4l5c+sun3 SnU0N2SrqfXOJlEAqnr7pgSsihlkPGk8Z6pGpgFjwae7LvUhxcJq44TfZCxz+nE4 MF4arHi48vsqcOZY8WwCPVaM0IUG5wv3LGzubboY/paab6v4WyLPFqXtuMLr8nJK jg/8DL/Za6oUbs6na+mmvOS6eQ/bcABNbVAXOTdCmbQFT+zyaHuyPBQ9CqG97X6+ Cap5jzDijUvst0Sq3/KNkosCAwEAAQ== -----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 357365768555466098817691451851474364900946 . . . . . . . . [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 2018-12-02 04:47:53 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-02 04:47:53 +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 'mdesigner.microduino.cn' . . . . . . . . [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 756912392486724354450096769109127089527316395527783026545630167690194427491289521435659579432436470831346144079548741305528177890961840589786159570851819716048142976986598780884341554620521513030561786033961781115312495376646095179074154326839936896660871813985033703594089062640718377037648932263978330038309016013763925554207129184500412793947907902194849995923951703724561836246485868619151163950013053352477305044804505044292218712749915200849508955837383670707120565055160887923598242556539916087067203783972973660829597555965740087540018096544540048743096486737766888213049799238466256220909191404691092207600124918221044807202715653418619851238659546084163717540244408590918749151714973745128654633225999681390332749700186869923192927860422011358796599323709640104918913774435328280500616748815089437072248077114897796339572276902359537891741903734660281107624261754098095884495484389016624281653013615918820596495956323736612820602730078491305548417419920051427339764385154942147425740709321383762977763244797329849314314912134933379371385903031931755019855208059802445913499366855241680467712151034859147404422275733005358393057028640576958217842050354437689767790400076572158713841161335823113522439552485234200578272105099 . . . . . . . . . . . . . . . . . . . . [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) 19045f9fbf72a8287f4c59d7f04f098e6e71a228 . . . . . . . . . . . . . . . . [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 (27 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mdesigner.microduino.cn' . . . . . . . . . . . . . . . . [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) 00f00076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001676d7575480000040300473045022056843ec88a727ae404fdea8b10ac1c6ddae5ffbb33940851e250b0b38f17e6d4022100a3cdce4833715ac7ad0b433d64270ee95d66dd3e8fe97aa5f1bd8d952dabf13000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001676d7574900000040300473045022100f97f0b692622b60efe1afc6921cf0e5cb643e4b18d6998f0ed64dcca2da1f6680220449b1741114ec261e118e658982a69eeb159c75c1af46662d738a7683a38d564 . . . . [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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