www.nexnano.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e1:e6:46:65:9c:ac:75:a2:e2:6f:9d:ba:6a:79:ee:b9:92 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.nexnano.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e1:e6:46:65:9c:ac:75:a2:e2:6f:9d:ba:6a:79:ee:b9:92
Serial Number (int): 338206478313238859264087350860069609585042
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6b:9b:c9:4e:90:27:ff:0c:a4:21:76:12:ea:35:7c:c5:39:c2:84:4e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 00:4a:b4:2e:ce:37:54:b4:82:12:1f:6a:f4:21:1e:87:60:28:e0:af
Fingerprint (sha256): ee:47:7f:cd:49:8b:4c:96:c9:1f:d5:dd:74:13:1c:40:3a:9c:55:6c:70:ed:a2:7a:a5:e2:87:b8:06:43:82:c9

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.nexnano.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.nexnano.com

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Certificate

The complete raw certificate details for www.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 338206478313238859264087350860069609585042
 . . . . . . . . [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 10:55:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 10:55:57 +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.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 717516984416438005758445601868500892026331722307326896029375129472916567178190275738059794429046981909645802342887221991301541054748661960097421751257761360274048183234721114693765165253612277426188085521079843826124824163295758312164497032000380770737508954643438779218255443087057142585556227377308046150707694724917657060036165389975602571188393964953179499008654870026934738845688719565024105719010387460858160264732650942225662609247905020362347701720162087460248806996447992554836168410451948132026025264569690543085616966401432651559619186018633030433906509368705678663413272126508902519356821499368547731643391558802440446632394190111077886867162877624098877801261437062589451267529095542392581181489757411727206973328689492670382802980933551872014246971529760619572913678170902429228045216253416106304442572721402049272347196093796999490054100498138736558140015163303061750453788627266410849929556798528956397468757000554422464986199561957464068961052217083843341654426394498158825044644880504983572540356046473926647943702171784354394520948863000807713219639441916498422379601964643801227270018319187827578359335067666780557687697344305298408654412844148442455520445766839648033130970799992890452506786313267057089456802531
 . . . . . . . . . . . . . . . . . . . . [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)
							6b9bc94e9027ff0ca4217612ea357cc539c2844e
 . . . . . . . . . . . . . . . . [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 'www.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)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc4f9a2be0000040300463044022076a5f40b25e1716f26933b3bb822075e8b1725b64c0571dbac72d7b69d215f170220345725eecb5b04419d483da434a21cf0ddc8d241b8fca27c32e65253c581439b007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc4f9a2b20000040300473045022100d36fdc8542ca4a1a1758109962fdee137362796a1bbd01f3e40f123427f70a1a022070f1e79574ab6b463eda53353026235941823246692dedefa8f9885d5e828dbe
 . . . . [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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