mdesigner.microduino.cn
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:5d:5a:be:43:30:19:ae:e3:09:06:a6:cc:d6:9d:b7:84:a0 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): 04:5d:5a:be:43:30:19:ae:e3:09:06:a6:cc:d6:9d:b7:84:a0Serial Number (int): 380216022269444371530228644715868691334304
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): ed:04:67:18:bc:12:86:8e:b7:85:c4:7c:d2:02:99:3e:fd:ae:7c:44
Fingerprint (sha256): 35:9e:d2:9b:d7:2d:1d:bf:d6:89:a1:43:d4:6d:12:81:b0:08:8b:e4:7b:49:c9:82:3a:07:a2:79:a9:13:84:8d
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----- MIIGZjCCBU6gAwIBAgISBF1avkMwGa7jCQamzNadt4SgMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMzEwNjIxMTRaFw0x OTA1MDEwNjIxMTRaMCIxIDAeBgNVBAMTF21kZXNpZ25lci5taWNyb2R1aW5vLmNu 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 AQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAI xjc1eeYQe8xWAAABaKLIfOIAAAQDAEcwRQIhAJnna+cNipb6EvCf9zDq1CX9sm5Q DrARkYm2nMAXP9ukAiAPGimtjQ+pSe4Ed1hzWEgigi/zF3RpPQk42NhcM8cKXgB2 AGPy283oO8wszwtyhCdXazOkjWF3j711pjixx2hUS9iNAAABaKLIfNUAAAQDAEcw RQIgeXRdYvnzeSFB/9QCZJRnb9WJjGkYWbtgw9vpEVgcWZkCIQD/HwH4Zf7TInpn IG0YAclBHE+sR1NfPtd90edANxGYpDANBgkqhkiG9w0BAQsFAAOCAQEAfMSZHVOr zr4YCY2i2YG493ynE9GDVGJlZdD9XzaEdVCO+WFsTv3LFlIeXMHHmwQib75aq16b r6tJaH7QT/+QqS0pn9Dg0X1luIUnYMLvxl82yFJ1LGf9MTl5tgZFf2BiNpNYovQH iMo+49xe5sI7fh94W8XatWV797fT5xa2fmUMlEVapgMqyx9c0fptJK7ZnkWUlETC ecD7yN82dt0hQGrtA5xgA0/3XIWBMuLKgDHbdJF7vny0g5YNt/8/Olk1jMPyewpU iBMN8FCeKYfwNKAH2VIcHmizVbBO/y7EYFFdbEutDN/Shm1hNOGklr44WtVgWiCz X8VEI2fwVY9EfA== -----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 380216022269444371530228644715868691334304 . . . . . . . . [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 2019-01-31 06:21:14 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-01 06:21:14 +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) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000168a2c87ce2000004030047304502210099e76be70d8a96fa12f09ff730ead425fdb26e500eb0119189b69cc0173fdba402200f1a29ad8d0fa949ee04775873584822822ff31774693d0938d8d85c33c70a5e00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000168a2c87cd50000040300473045022079745d62f9f3792141ffd4026494676fd5898c691859bb60c3dbe911581c5999022100ff1f01f865fed3227a67206d1801c9411c4fac47535f3ed77dd1e740371198a4 . . . . [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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