www.microduino.cn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:94:2a:a0:71:fb:bc:f2:05:03:b2:86:74:b2:1d:3e:88:60 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.microduino.cn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:94:2a:a0:71:fb:bc:f2:05:03:b2:86:74:b2:1d:3e:88:60
Serial Number (int): 311755308754756994340827568182906924730464
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 72:0d:54:81:0c:72:ae:61:e4:e5:e2:05:12:24:61:36:cf:27:68:43
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 38:20:e6:d1:52:7f:e1:8a:be:bc:cd:65:ee:b9:f8:a7:2c:c9:f3:77
Fingerprint (sha256): 19:10:b9:8d:b8:c2:dc:3e:b7:ad:64:10:c8:eb:4c:b9:cd:6a:a2:fd:97:f6:53:a3:b2:ba:2f:b8:08:c9:ab:a0

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org/

Check the revocation status for certificate www.microduino.cn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.microduino.cn

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.microduino.cn

Other certificates including the domain name microduino.cn

(limited to 100 certificates)
nforum.microduino.cn
mota.microduino.cn
mproxy.microduino.cn
m.microduino.cn
ldap.microduino.cn
xtyr.microduino.cn
wiki.microduino.cn
mcotton.microduino.cn
baymax-t.microduino.cn
wiki.microduino.cn
ical.microduino.cn
hub.microduino.cn
mcotton.microduino.cn
file-upload.microduino.cn
ldap.microduino.cn
w.microduino.cn
m.idealabz.microduino.cn
accounts.microduino.cn
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m.microduino.cn
www.microduino.cn
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wiki.microduino.cn
hub.microduino.cn
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baymax-t.microduino.cn
m.microduino.cn
umodel.microduino.cn
buggy-api.microduino.cn
hub.microduino.cn
www.microduino.cn
jspm-library.microduino.cn
cal.microduino.cn
mdesigner.microduino.cn
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kibana.microduino.cn
forum.microduino.cn
baymax-t.microduino.cn
mota.microduino.cn
mcotton.microduino.cn
m.microduino.cn
accounts.microduino.cn
mcotton.microduino.cn
git.microduino.cn
ai.microduino.cn
accounts.microduino.cn
accounts.microduino.cn
buggy-api.microduino.cn
mdesigner.microduino.cn
wiki.microduino.cn
www.microduino.cn
git.microduino.cn
mota.microduino.cn
dev.microduino.cn
xtyr.microduino.cn
baymax-t.microduino.cn
sso.microduino.cn
mproxy.microduino.cn
mproxy.microduino.cn
accounts.microduino.cn
mdesigner.microduino.cn
hub.microduino.cn
mcotton.microduino.cn
accounts.microduino.cn
accounts.microduino.cn
accounts.microduino.cn
www.microduino.cn
wiki.microduino.cn
mcotton.microduino.cn
git.microduino.cn
accounts.microduino.cn
ldap.microduino.cn
mcotton.microduino.cn
mcotton.microduino.cn
www.microduino.cn
cloud.microduino.cn
accounts.microduino.cn
mcotton.microduino.cn
m.microduino.cn
mcotton.microduino.cn
git.microduino.cn
git.microduino.cn
git.microduino.cn
mcotton.microduino.cn
mcotton.microduino.cn
www.microduino.cn
mproxy.microduino.cn
www.microduino.cn
wiki.microduino.cn
w.microduino.cn
www.microduino.cn
mcotton.microduino.cn
www.microduino.cn
accounts.microduino.cn
accounts.microduino.cn
mcotton.microduino.cn
mcotton.microduino.cn
accounts.microduino.cn

Certificate

The complete raw certificate details for www.microduino.cn in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFBjCCA+6gAwIBAgISA5QqoHH7vPIFA7KGdLIdPohgMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjEwMjExMTM2MDBaFw0x
NzAxMTkxMTM2MDBaMBwxGjAYBgNVBAMTEXd3dy5taWNyb2R1aW5vLmNuMIIBIjAN
BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0U3q02TU444e0IILqjNSrwJ7TcYp
UwpLKVSbOjiVGKTKVdHk4Fn5vFCQoHhD9Sr2eudFePrI68d9gpO2EpNXuwzz3FLd
+oE93I1C0/vdBu5pvVxuZKWT6/jqQB1SCsId+kToBYMSHzzY71C+6CaazhAQHa8/
72q1a1g9Qv0XCVOn3gw/EBuYoCBuMSQLw/p3SczBMuq6iYFWOQdvNXWablHAQNm3
0aEfVCkl/xHTYoJ1Jij4sDzjRIQWyTFg0zAhRXIcXoqgoLsz1im6duruh6rlPSNq
rJOMCvLkFF37auuNm9LcfdjBRdxwvUjiYIFW6REYDGysFpHR/RLr9tYwCwIDAQAB
o4ICEjCCAg4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggr
BgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRyDVSBDHKuYeTl4gUSJGE2
zydoQzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBwBggrBgEFBQcB
AQRkMGIwLwYIKwYBBQUHMAGGI2h0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlw
dC5vcmcvMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5
cHQub3JnLzAcBgNVHREEFTATghF3d3cubWljcm9kdWluby5jbjCB/gYDVR0gBIH2
MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0
dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMg
Q2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQ
YXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNh
dGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9z
aXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAGqH82d5/mYsAvLyrap8z0YQUhOQD6
hb1UtjCPemKXxYlzYpYVqrxgc0SGi+BlccFoqd+tckhuLRaWF6BRCUw89Ig9At8B
c7MDNEo1LG1zQmrxPai45yK3UMBzb+jisyGikgld4KfXdKOQQUqcIK8Yw9lwGlsx
YbFiYAv5v4GAf7gTZyf+FUlegRJQ2rdepaOKyadaAsoHRpmpRgAEEMaKCI4iYnsQ
ephFjpcCdpfTqYUgZOBgzD9ihERS7I679BTggvE5BfaPZcBYsbumA6NGssLx9VM+
kYtmcxqHwfTXKuFPX+Hhz1k8iGvtewb8++3mosEY315VkAwZVgkYKIcM
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0U3q02TU444e0IILqjNS
rwJ7TcYpUwpLKVSbOjiVGKTKVdHk4Fn5vFCQoHhD9Sr2eudFePrI68d9gpO2EpNX
uwzz3FLd+oE93I1C0/vdBu5pvVxuZKWT6/jqQB1SCsId+kToBYMSHzzY71C+6Caa
zhAQHa8/72q1a1g9Qv0XCVOn3gw/EBuYoCBuMSQLw/p3SczBMuq6iYFWOQdvNXWa
blHAQNm30aEfVCkl/xHTYoJ1Jij4sDzjRIQWyTFg0zAhRXIcXoqgoLsz1im6duru
h6rlPSNqrJOMCvLkFF37auuNm9LcfdjBRdxwvUjiYIFW6REYDGysFpHR/RLr9tYw
CwIDAQAB
-----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 311755308754756994340827568182906924730464
 . . . . . . . . [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 2016-10-21 11:36:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-19 11:36:00 +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.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26422228184699726665046460289582660174598809404833373331676379266125774188164796664481410765782634194696587241206416020351288206361652719188309896453237179350461269076055996579060893555005754665721267869572832960522581796721105108956281125285684550097521810192732510135699330218172656986217378553078599097971237337081098845965207454984551890296565593111385892963091355421673034255049125351521800755170752913007750120879354890004609781218638985178921092549779099731355495505752958862345929760906173335260840452608578574303875968593901060867683180653591997000006017333322984213437117682386182012862570540165378063347723
 . . . . . . . . . . . . . . . . . . . . [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)
							720d54810c72ae61e4e5e20512246136cf276843
 . . . . . . . . . . . . . . . . [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 (100 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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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