nexnano.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c3:91:b7:6e:96:b7:1b:f5:76:23:f8:8f:a4:af:70:17:f7 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:c3:91:b7:6e:96:b7:1b:f5:76:23:f8:8f:a4:af:70:17:f7
Serial Number (int): 327885609837583615326033749160439107819511
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ca:aa:47:1d:d3:d2:79:f9:43:78:00:a8:1f:17:dc:1e:19:14:5e:ff
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 84:b6:bc:d3:29:cb:40:e5:37:9c:bf:90:4f:f1:36:e6:3f:5a:49:66
Fingerprint (sha256): 99:35:6f:99:bd:62:d0:77:89:e1:fb:5e:c1:53:d3:6b:96:cd:cb:75:0d:c4:3a:34:22:75:54:d0:8c:f6:61:da

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 327885609837583615326033749160439107819511
 . . . . . . . . [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 2020-02-17 05:51:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-17 05:51:53 +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 723820871928886751326879916487172951797077009541589276337418466477783514239967611461966614625183497334684605530754130185040053779965339968020963086353387279279830624232256997824743721564765025865233988202317035681350077946668251173365776186977567021590732978095064780134880552819905292926392992319945051988340856285557681395710647779909701887005461694824998237591260782201425823539702467882054964830479870706326707682977627082008796583870501203108521284018269583720162226497375450267530052196554172948260909248614248941061681526885059485854166697745233896244907112723292557276478197127415567052339249517271397687585787032748129029317736149947634255044536480264021077816927340483685795540750812658320745809179232484535424557717354136830655670418352075707503618799651548971974375590865026969489228636463291088924257301560573382017537236358266889483597109534458264504616812922432915909534846406046057467177088369429629968693866827363654906184852315424876182000295890597412358862081129124601451122028328636104228706531443108195305989741628030695713812913597721556028691675573670378710029905145524410801780920339245576240891253418641433113258474751816642026233266988650632973560648179476261062936187496531241918408376662364318518665187203
 . . . . . . . . . . . . . . . . . . . . [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)
							caaa471dd3d279f9437800a81f17dc1e19145eff
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017051eae3fb0000040300473045022100f5e6b038b65de53f4dc6674cdc4a0bb99fae7eb6f2ce133c2a36a4ea1a2de1f502206435b143a30fb231c3953b86823a948a44aa7ece4be5508b09b83e001ae737e30076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017051eae4270000040300473045022100c4e9432aede8d0efadc6ba4baaa61fa39fded3b24dd9b2ddfe52deeaa56c42ac02206e5ffd48632f1f80a22722cce0e3de0b48f0753931db444c7e7a1ebad2d5aa96
 . . . . [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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