m.microduino.cn
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:76:ce:cd:8d:7b:d3:6e:96:dd:91:c1:10:d6:ee:d9:05:08 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=m.microduino.cn
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:76:ce:cd:8d:7b:d3:6e:96:dd:91:c1:10:d6:ee:d9:05:08Serial Number (int): 388877351281329670720150544977580936201480
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 2e:c8:79:50:95:87:2e:95:de:52:e5:8c:30:24:81:71:70:c5:28:ce
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 0e:80:92:9f:01:60:16:73:3b:c2:90:85:c0:93:d7:2b:42:a4:5c:bc
Fingerprint (sha256): 26:68:fa:38:bc:4b:f8:f9:7b:d3:a5:d2:76:d2:4f:30:54:f4:2e:a4:98:49:eb:b8:94:0d:eb:ec:61:b3:a6:07
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate m.microduino.cn
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for m.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
m.microduino.cn
Other certificates including the domain name microduino.cn
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Certificate
The complete raw certificate details for m.microduino.cn in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVTCCBT2gAwIBAgISBHbOzY17026W3ZHBENbu2QUIMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA0MDYxNTIzNDNaFw0x OTA3MDUxNTIzNDNaMBoxGDAWBgNVBAMTD20ubWljcm9kdWluby5jbjCCAiIwDQYJ KoZIhvcNAQEBBQADggIPADCCAgoCggIBAOICz9+EJD0Q0raxX2i/zr+Bzf3WPJJ6 9EHFrZjZaYQwlLiUUn9B3+HZDFBfbJrt8gYRbSvcxYJqLrdOLuVxydTPY6i+jVtW O8/LzjCzGbWBje+lrML2A33F0UAh5eOXGlgQvcd8+9Zd9HmuL1OzjRwLwLpWTZTV qIpZUc/o1LUYHsVBk8nE8wXONYVFs9Z5Q9K8HLeeHVxPmGIZ9ZZXi4XJl4WUOuql 1b+IlU58q+CScW4xdh3vjoA2cX9Sj6cL6JRH2eSFCVDhAqwghuN6Ddyk9+b5hpfD pOggUCbitiyi/AhEP8Sva4BIJ/tLbW2qPKspzwIMvDhZ4pVAzHPkXtg51yeRy+uj NWt8S8cCjAWTvGItgRHKiD4YKtHF2u0zgfvpGyKwbrDboXzfgx4CldyGmVjegB2s rp0Jq3r+nT6pPSITZYXR9Rif+knycWvX1cyrpzhHMFxjmeeNrplxswV66yF7rxYa acfMcyf0OuxLHe8JVaK9w0BhDOvVl6swPcxuAm6YTsFNIbrc/AU+r5lRGNEVG6iu oi6CO6QNbXJpfRIRALiQ4kDB+BZk7clpqM92iX+JjlNPweOamhQZQPcgUN2O2R9k P5Xf2kEKKMp2C9EewW9rbQ0mZJZlSMSSzirhnTYiziyNqfK27XNPxmR0VGVwvN8K roP5O69QEFetAgMBAAGjggJjMIICXzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFC7I eVCVhy6V3lLljDAkgXFwxSjOMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZy8wGgYDVR0RBBMwEYIPbS5taWNyb2R1aW5vLmNu MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB 9ASB8QDvAHUA4mlLribo6UAJ6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFp83Z/ xAAABAMARjBEAiA1m6I2gME7bNwEMK0INOohEH7X4uMFwMdAcut07USrLgIgBUUq SuTnzqofW9fkPRMTO6SC33M7X+V+xVn2KgyeQV0AdgBj8tvN6DvMLM8LcoQnV2sz pI1hd4+9daY4scdoVEvYjQAAAWnzdn/CAAAEAwBHMEUCIHZ6Rc5sN6jMzUX62Ryq TvQ8y2elDn9z1PYAUoekgF2bAiEA18ZMy8xbyLbugebheQFn9Y7LjdE1cToWC8vM Jc93A3IwDQYJKoZIhvcNAQELBQADggEBADWm4sHVCSbyNyZ/S7SyjcWqGvpHWbeC jkL/mKiTA+g87y5N8RE0B2FS5RdJ2lfekf04J2Y5DYsjQ/IevCy6rb8gFAD8L2zS N53GeZO2SEkowLcy6SX1s6ksLeJbFyjftNnJSVSI793RE5r0yFLmCxgEKd9pcg0W 1dS3Lo/aFLLW3PH1tw/H2sCE/q+X72EewVz+67qcaqVsz9ZdSLFegkyqDXJXj7tW Sr61yhQr1ljVNyQITuxe/CYY72zzT2UqSVX+Nfpi/nyNlDjbvfGgn9xeVamCndc6 3LEHsbZG1m3ieI5IilSj5ZiNyMN4h6TKkwI8Y31p0xEPv7yneetsEX8= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4gLP34QkPRDStrFfaL/O v4HN/dY8knr0QcWtmNlphDCUuJRSf0Hf4dkMUF9smu3yBhFtK9zFgmout04u5XHJ 1M9jqL6NW1Y7z8vOMLMZtYGN76WswvYDfcXRQCHl45caWBC9x3z71l30ea4vU7ON HAvAulZNlNWoillRz+jUtRgexUGTycTzBc41hUWz1nlD0rwct54dXE+YYhn1lleL hcmXhZQ66qXVv4iVTnyr4JJxbjF2He+OgDZxf1KPpwvolEfZ5IUJUOECrCCG43oN 3KT35vmGl8Ok6CBQJuK2LKL8CEQ/xK9rgEgn+0ttbao8qynPAgy8OFnilUDMc+Re 2DnXJ5HL66M1a3xLxwKMBZO8Yi2BEcqIPhgq0cXa7TOB++kbIrBusNuhfN+DHgKV 3IaZWN6AHayunQmrev6dPqk9IhNlhdH1GJ/6SfJxa9fVzKunOEcwXGOZ542umXGz BXrrIXuvFhppx8xzJ/Q67Esd7wlVor3DQGEM69WXqzA9zG4CbphOwU0hutz8BT6v mVEY0RUbqK6iLoI7pA1tcml9EhEAuJDiQMH4FmTtyWmoz3aJf4mOU0/B45qaFBlA 9yBQ3Y7ZH2Q/ld/aQQooynYL0R7Bb2ttDSZklmVIxJLOKuGdNiLOLI2p8rbtc0/G ZHRUZXC83wqug/k7r1AQV60CAwEAAQ== -----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 388877351281329670720150544977580936201480 . . . . . . . . [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 2019-04-06 15:23:43 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-05 15:23:43 +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 'm.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 922044371781960697625502774266959670837232851703432295718071481465647711462524997144323161869579708084011010050302140054450707554909994875428698267669185098525461876711818638928960896339596404169636600026979787618442403609580011472555481725104438247796717645940640879179721070369343358779335781127414144987593526736449972348643965059361313714591634335755498035790607590881404161611393925511009250475999489131102856734002230281697708478001676646085257079310285353179913669650081036353702663658352464240028735251492002062283461946389757065194327975041414162447326755162434376157940849634395270955763813494794815732868471326138187351175231228529665306557807897516451300359249156484403809072335388931459777521782447555798871983036084655726946387332225415076497556918580730327140397705594183743869723913131121610155736786278164694864385295067507174073384923560733366160566050881923670575372292154380780676650886003316076293016953904572875158021030362814101169698366135443683129084345290956857183202537864532653989774999831294317853653775739564723562169043836028760636094881517434088657892672563754096351769695180543047398523994264166042397509860959463416656494914473051762255312497718830331300553890691282826100607483826571918052644902829 . . . . . . . . . . . . . . . . . . . . [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) 2ec8795095872e95de52e58c3024817170c528ce . . . . . . . . . . . . . . . . [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 (19 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169f3767fc400000403004630440220359ba23680c13b6cdc0430ad0834ea21107ed7e2e305c0c74072eb74ed44ab2e022005452a4ae4e7ceaa1f5bd7e43d13133ba482df733b5fe57ec559f62a0c9e415d00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169f3767fc200000403004730450220767a45ce6c37a8cccd45fad91caa4ef43ccb67a50e7f73d4f6005287a4805d9b022100d7c64ccbcc5bc8b6ee81e6e1790167f58ecb8dd135713a160bcbcc25cf770372 . . . . [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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