m.microduino.cn
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:49:b1:e9:83:98:79:be:d5:60:45:95:88:20:81:c9:36:ae 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): 03:49:b1:e9:83:98:79:be:d5:60:45:95:88:20:81:c9:36:aeSerial Number (int): 286413956410007233667310543035342778873518
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c5:88:af:e0:c1:7c:d0:b9:cb:88:e1:74:48:ee:4d:06:ee:4f:4d:cf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f5:5d:93:5a:42:fd:0c:40:76:e2:ac:3d:ac:68:00:18:f5:4b:4c:f1
Fingerprint (sha256): 46:66:1d:e8:7b:65:72:1b:84:ce:8c:bd:d8:8a:de:ef:a6:21:b6:72:be:a6:ec:1f:3e:b1:d4:1c:b4:7a:09:9a
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
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Certificate
The complete raw certificate details for m.microduino.cn in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVjCCBT6gAwIBAgISA0mx6YOYeb7VYEWViCCByTauMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMDYwODA4MzBaFw0y MDA1MDYwODA4MzBaMBoxGDAWBgNVBAMTD20ubWljcm9kdWluby5jbjCCAiIwDQYJ KoZIhvcNAQEBBQADggIPADCCAgoCggIBALW1pKF5ySvj1PLLrH+jbUG698wRlirB 9ra2A50GAALvfqFy9i13L01a7JziiJBP3b9ZbqTyE4fqKsxhT63yuZYz5BTP70so pTC3HWi2uWyQBO1B78Xn5G9H7LzlPCrRElp1B0nqU4sdUjT6ONtfdg+erbvfWPIZ OPpkOBveIs7YZPn2VBmz6R++00w0D8YOdfODnsEqV0Lvzxby5WaCATKcvPDuElVE Isud56VnPwFTIUwgp1xWN59NyOIsWj0RbWQoWVuhTL5FQbCbG8gASuyhZCNJHz5i WY6Vuy15Fa26tzGLR1rHjLTqjfKDdVDRcysScepNQ638DvNDtzQ/5GfAVioIOwt/ PEiCTrwdumtE5tlmN8DOpvdmDxZ3jOD5pikcrDBZOELq2QekcUrdp6ZwXR0ZfSOn CSKPTnzAIhxSDVtVRNYphRcPb2cpoQ/RQeRrqqJ3D3N4pswCskxQaqauRI0bzM18 VfJ9m4NGl1roy4Xk6pMAFyLmsHsAN235LQ+NdAuIm0TfVxzKWoMn5fITlIIKKI1I 1PT61Uc+uHW0BgaRoph2gBDfDFg/PSnpsefIYfCTdyziBeW3wz5NEGCFr7dSVgA5 jM9nIob4+aRZlwf+uyY3LlePnI3ZhBjKwSqOqz9xMcGxRAwf70F8Vm6UDgZ6/sTn 3Te3ccGzHHzfAgMBAAGjggJkMIICYDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFMWI r+DBfNC5y4jhdEjuTQbuT03PMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZy8wGgYDVR0RBBMwEYIPbS5taWNyb2R1aW5vLmNu MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB 9QSB8gDwAHYAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFwGcID ngAABAMARzBFAiBDeB9LyJBVRz5oP7ExeGAEK7DarZKQ/nyUfF+HVaFpqQIhAOdg XVdLtQjyI2wx/tNW3iDimwQ2xJfcat9WEgiwUoO6AHYAsh4FzIuizYogTodm+Su5 iiUgZ2va+nDnsklTLe+LkF4AAAFwGcIDlQAABAMARzBFAiEAjLETsfE3Lp6oppHd DA04YU/NA+BLzNKUgJXYbEF+yKICIDbat/pAEBTbifDz52yNhLVEpWHe/CDMsBhH vHNYoG2zMA0GCSqGSIb3DQEBCwUAA4IBAQCYMn69yA8BAWl2C3GWs8dKBJZ2Gwb+ LPr+jMj2uG3Kifu+vT0/MEIKv5hR7FBOLCeFC9keh0E/SGUcL1FJYqQU4BghlhN+ V0eMVDpMZVC/KjST5w9Nekz0FkvBwvyvi/ZJxVQ/mnvRHNPzqy81lyCKqYGsJDRc xxATHEiZw6g1N9JBJlod9rO4nvqhRD1vxmzN6suRzNXTluYLmeT1+mATCvZb+3gx 8Ya24jeXK+BzSLtnTp4p55klZRpX+ScwoD2rPOIx2rKEOxh2IG3o8IvioLgiG2tB x5ATOLLHtapTjOmtZhr0L4LQjG047/6GI3mNbIGG6z6VvYIRtQLwBmAC -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtbWkoXnJK+PU8susf6Nt Qbr3zBGWKsH2trYDnQYAAu9+oXL2LXcvTVrsnOKIkE/dv1lupPITh+oqzGFPrfK5 ljPkFM/vSyilMLcdaLa5bJAE7UHvxefkb0fsvOU8KtESWnUHSepTix1SNPo42192 D56tu99Y8hk4+mQ4G94izthk+fZUGbPpH77TTDQPxg5184OewSpXQu/PFvLlZoIB Mpy88O4SVUQiy53npWc/AVMhTCCnXFY3n03I4ixaPRFtZChZW6FMvkVBsJsbyABK 7KFkI0kfPmJZjpW7LXkVrbq3MYtHWseMtOqN8oN1UNFzKxJx6k1DrfwO80O3ND/k Z8BWKgg7C388SIJOvB26a0Tm2WY3wM6m92YPFneM4PmmKRysMFk4QurZB6RxSt2n pnBdHRl9I6cJIo9OfMAiHFINW1VE1imFFw9vZymhD9FB5GuqoncPc3imzAKyTFBq pq5EjRvMzXxV8n2bg0aXWujLheTqkwAXIuawewA3bfktD410C4ibRN9XHMpagyfl 8hOUggoojUjU9PrVRz64dbQGBpGimHaAEN8MWD89Kemx58hh8JN3LOIF5bfDPk0Q YIWvt1JWADmMz2cihvj5pFmXB/67JjcuV4+cjdmEGMrBKo6rP3ExwbFEDB/vQXxW bpQOBnr+xOfdN7dxwbMcfN8CAwEAAQ== -----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 286413956410007233667310543035342778873518 . . . . . . . . [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 2020-02-06 08:08:30 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-06 08:08:30 +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 741310260492212561533801526500780108724246812695759299514271820066148894982383196731177173004782196526277659824686294051593015994830333821913570737293513200582610176771409837508244915307197654359455681829615601248603277979758234650290315777345908005704072781439355748635342736971456685104982465827681304742621642565800237272642282109422414493640338471120407277829730010880935508057076085323893011369079970861831283815703281494400649634322989756714174916977584535033752126249994462958090840292768113502604373767905793859371273741604556290536134312173747351151820667654454812442983354907878189015412713379935542577223301229224342938821255879462917502428934195678023977349828656971301355120827925666047009442837282495766533494751737335458567310839120519289415737633194456374910083396489533883623992303132727430582701970175326014214102208178160328210601127374203665945126117281979625160849649447402803342245151171343936544821585273033433618585122337452746298460738987740242687940327586111271924367973988360753622160112954468547007602876126923713601726683891784858186390231936503455957067397877269254219023852563425832610772275658403261379327063098440228478132799828334676785442110011548852713235950122712794878563080004980083388814490847 . . . . . . . . . . . . . . . . . . . . [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) c588afe0c17cd0b9cb88e17448ee4d06ee4f4dcf . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000017019c2039e0000040300473045022043781f4bc89055473e683fb1317860042bb0daad9290fe7c947c5f8755a169a9022100e7605d574bb508f2236c31fed356de20e29b0436c497dc6adf561208b05283ba007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017019c2039500000403004730450221008cb113b1f1372e9ea8a691dd0c0d38614fcd03e04bccd2948095d86c417ec8a2022036dab7fa401014db89f0f3e76c8d84b544a561defc20ccb01847bc7358a06db3 . . . . [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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