nexnano.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3f:26:5b:0e:ff:ee:2b:c9:21:48:6a:22:5a:19:70:be:ac 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=nexnano.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3f:26:5b:0e:ff:ee:2b:c9:21:48:6a:22:5a:19:70:be:ac
Serial Number (int): 282825630378384442868766978928401965956780
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0c:76:c9:cb:73:ed:f0:1d:16:00:c2:3d:03:32:be:3d:2d:94:29:82
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6d:c3:1e:9e:19:4d:93:44:60:85:cc:9c:04:31:ae:fe:3f:5e:da:63
Fingerprint (sha256): 11:dd:a9:a9:8b:ae:6f:40:9b:76:9b:c8:79:fd:7a:a5:03:7f:df:5b:80:f2:06:f7:0e:b2:e6:4d:a8:9b:8b:d0

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 nexnano.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for nexnano.com

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

nexnano.com

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Certificate

The complete raw certificate details for nexnano.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 282825630378384442868766978928401965956780
 . . . . . . . . [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 2019-10-13 10:55:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 10:55:59 +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 'nexnano.com'
 . . . . . . . . [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 791735373982127966463851411257522879095155805163680584084536970642584693383494760656197151203206072555697283490810918353140511679951487314348751888811414074720322513477477454987569581971153995799603817559373081967377883277120214535906764970855743723874486292572370458120853444626794773603331546124317804465494824264246069199594878436015332316697018798302849861715380359767782795463104586009486936918961126556311334406670921347227514194980282147405847986218935871501281370571265235087249398218943246408001704707512820882343388456224605611665832276338846205569592987661032852813525465691013902826986755992798765948419751562892190098151574100645697436490065178735208145379430663585586239040005298298250367984142638106081151184333979147589884107171697062900852553284048222676692960160175468952231525768178423161365761247259720141727282014127549184738195335471430569470781933647265004692739764028007104989608204038029255447617011140739230409231629674929118870522936453000449575427814869595634483502280623397106451352916511595373165510852646589848641020978313781539180240163477375967034190062360671397275667433187882881703677663852439462466503040018904026359500763830033492746982866301791897885615518064687974839415752211169656469536485461
 . . . . . . . . . . . . . . . . . . . . [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)
							0c76c9cb73edf01d1600c23d0332be3d2d942982
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nexnano.com'
 . . . . . . . . . . . . . . . . [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)
							00ef007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc4f9a9c100000403004630440220462380ac730387dfbc5009a8d3ef845f776eea24caf63f21de2e6d814d9ee9fe022050239841e1cafa0fa74cda3c0f59ab0e4e5d72197cb3ef2a8820fd28cf667f330076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dc4f9a9f5000004030047304502202ac70e543732511ccd362a3bb2eb6b7532ab7775e161696ec747a91eae4c337f0221009509d06b9afe6921571ed8da227f1c43b803879d4d22d777e563d31fcb067f13
 . . . . [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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