www.nkrobotics.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:c6:ee:29:cd:aa:85:0c:24:ff:de:1c:f1:21:ce:5a:0c:62 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.nkrobotics.net
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:c6:ee:29:cd:aa:85:0c:24:ff:de:1c:f1:21:ce:5a:0c:62Serial Number (int): 329029339764198498175462313233970219322466
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: aa:af:0a:0e:b4:ae:00:89:f7:34:24:c4:0a:e5:fd:92:35:bc:de:92
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 45:87:a4:3f:89:7a:8d:5a:e1:e7:a3:7f:0b:5f:40:3f:f6:25:77:b3
Fingerprint (sha256): 83:dd:52:b6:1f:cb:bc:26:30:e2:77:fe:27:77:00:bb:34:09:69:30:3e:3b:6a:9e:cf:c5:7b:ad:79:08:26:be
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.nkrobotics.net
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.nkrobotics.net
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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
www.nkrobotics.net
Other certificates including the domain name nkrobotics.net
(limited to 100 certificates)
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Certificate
The complete raw certificate details for www.nkrobotics.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFXDCCBESgAwIBAgISA8buKc2qhQwk/94c8SHOWgxiMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMjYxNjE2MDBaFw0y MDA0MjUxNjE2MDBaMB0xGzAZBgNVBAMTEnd3dy5ua3JvYm90aWNzLm5ldDCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKWSSEt+GsSrgVTmSV2pkWtJwD9Q /cBk8bSDHSUBB1ttltk5+q0JNl7130DMGNVD0c0//UITdINgoKL+Y982sFcoEmOS 9t8tmjRfoIoJLcirtQA2z0Sx6QwKqVH/BHkNGrKr9Q0ZH4x3bQrtEFr/qQhAWTvG 5UnDfyDfHPLh72tuNiBnN5aNGmHN3XNT8YPW9jnK+5FpWmMNRuet8L18k7Qhrpia Bg2nlJ/NS2iF1tyYiAkBPnIBKXCU5+fvHraDHx8JzU1/uoR9c1VnpA9FaJ9Q3oqT 0KiWLeDTkExkx/LiIiRRmiCRYZ8zuGE1gahQC6udh+/BzaWpolUWhA7jRm8CAwEA AaOCAmcwggJjMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUqq8KDrSuAIn3NCTECuX9 kjW83pIwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUH AQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5 cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5 cHQub3JnLzAdBgNVHREEFjAUghJ3d3cubmtyb2JvdGljcy5uZXQwTAYDVR0gBEUw QzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDov L2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgBe p3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW/i2mPeAAAEAwBHMEUC IHVtAjjroFr9VY1WOck3uYblIaQBLjS1xAhMxgmLVgRjAiEA5o2Fphu2Xm1PsExE wtUAUPVU+ppby8DzBGdf+tFzCrsAdgCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOey SVMt74uQXgAAAW/i2mPtAAAEAwBHMEUCIQDdQZZlMLNo1kP9ZrjXVqeHTbsNldGm Y22HGlAmDmN+gwIgIgT2NcHL9gZqoC/sERZOpqvn7t8w/IoQ9Na2ATopTKcwDQYJ KoZIhvcNAQELBQADggEBAHV0lDnIC+pbPhvVHAXWMdP6RT1uzoq926zNnRmWXIze 6reJFxxvBhRWSXr5P2X76/Tuo6rjIQ+RNIVBO2eTeEx8WcqvAKWjN33QMI/MZKoI 4RAwMgK8fSvvNMH0rXf65/ZQAyYPK3sV9ARh5B/0hlz+Ol+Jp5Bji84WzjN8nrjJ 6zyb60xlomF2BwWFEcNCwr1uxH5QcAz9ksjIEmIiq6DMM2lWLeKeKEGDQ6Jq/iV9 UV3+8FK/iaHiw7+ilJZ6ZSYeAPv5a0tc9e+OeuCtRH+W9TNajzwT1N5tzIR8WegD 9oceWuJq/Zoi+cry+lEyxYYouDE/1hpzIRMsCZ9czq0= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApZJIS34axKuBVOZJXamR a0nAP1D9wGTxtIMdJQEHW22W2Tn6rQk2XvXfQMwY1UPRzT/9QhN0g2Cgov5j3zaw VygSY5L23y2aNF+gigktyKu1ADbPRLHpDAqpUf8EeQ0asqv1DRkfjHdtCu0QWv+p CEBZO8blScN/IN8c8uHva242IGc3lo0aYc3dc1Pxg9b2Ocr7kWlaYw1G563wvXyT tCGumJoGDaeUn81LaIXW3JiICQE+cgEpcJTn5+8etoMfHwnNTX+6hH1zVWekD0Vo n1DeipPQqJYt4NOQTGTH8uIiJFGaIJFhnzO4YTWBqFALq52H78HNpamiVRaEDuNG bwIDAQAB -----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 329029339764198498175462313233970219322466 . . . . . . . . [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 2020-01-26 16:16:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-25 16:16:00 +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.nkrobotics.net' . . . . . . . . [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 20901454860280341131906259144506874531514716639952735183296320475606130906533279938788948554047977780644514507850195358963864670679502993696181562344402273667370745401448590820114627427457294490320085546425683899558458416105244294688368137144253669497726853743873793785275326632074931685429708271040538060047820164881942231060075174345932231021646002630356908666999898847179000927148490930941459668436382568038377314791382062116974296951404328833078280674883672342864717430938611523102104737972756741792046095805766688064275888238272327590613912891235022089106132432697626661710614487587942908979106374385852003599983 . . . . . . . . . . . . . . . . . . . . [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) aaaf0a0eb4ae0089f73424c40ae5fd9235bcde92 . . . . . . . . . . . . . . . . [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 (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nkrobotics.net' . . . . . . . . . . . . . . . . [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) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016fe2da63de00000403004730450220756d0238eba05afd558d5639c937b986e521a4012e34b5c4084cc6098b560463022100e68d85a61bb65e6d4fb04c44c2d50050f554fa9a5bcbc0f304675ffad1730abb007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fe2da63ed0000040300473045022100dd41966530b368d643fd66b8d756a7874dbb0d95d1a6636d871a50260e637e8302202204f635c1cbf6066aa02fec11164ea6abe7eedf30fc8a10f4d6b6013a294ca7 . . . . [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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