nexnano.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:98:c4:22:79:d9:ce:b6:f5:1f:44:1a:1a:ee:2a:47:52:4f 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): 03:98:c4:22:79:d9:ce:b6:f5:1f:44:1a:1a:ee:2a:47:52:4f
Serial Number (int): 313320485263958468483059549193702700700239
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1f:81:79:9d:39:60:fa:51:bf:65:fc:f5:2d:98:b4:8c:a8:b6:ee:df
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3c:b7:00:b1:88:9c:20:68:4f:48:8e:01:0b:9f:af:e4:9e:a4:6e:49
Fingerprint (sha256): 37:94:58:0a:1e:86:78:22:3e:2c:6f:62:ab:dd:df:6a:54:b9:de:16:35:b3:df:b1:ea:0d:e1:be:37:c1:11:4b

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

Other certificates including the domain name nexnano.com

(limited to 100 certificates)

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 313320485263958468483059549193702700700239
 . . . . . . . . [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 2019-12-18 08:02:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-17 08:02:17 +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 759107262233508402112501098729824115400425695981920598382752913106471805788730514224551031941251178697434252391717471347819987097556998356240091661120702966809957334775931814596377447049070010957605486910247426927306374737077416035712240092450777714427813377860882792195450890060129991898510180442631526701252379348138071196019369910610348058269519248692404963646599926997457867927249232218819295315571761963520480777411320509841640597185497128726744708939314598416386539910230036546856389702775658035409213752336498337810277674482000400770739500108344150540345337063093259499031811792232637948700867487960011020574004223336862828690842159427124829338481372287990372945230609252206153895920293599349538447270574579607660860129269880629319456314722969062919269733154506714424649902316643251888453147581936880633005004353101091821032106826721946694584215154206291220096259777513720600996585079355478359453153336603975553406473573086149093647275195214221587860335004072626450705725119594111164773627579250161490775843481839497169774438926286046032270788096048181727648788043885631658942540455899727826121728206614487288341683856328502946020577437550667273988739470456146556120278675160933821811775050793362355364487892484079970558130607
 . . . . . . . . . . . . . . . . . . . . [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)
							1f81799d3960fa51bf65fcf52d98b48ca8b6eedf
 . . . . . . . . . . . . . . . . [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)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f183e5b4c000004030047304502203203bb8fcf8aad0a7e7d286d15d447023b97f885db456585d554a4dd1428f997022100c3b182cbd8ec71ee323f8d7af2be4a7de0f1498977a2d08594942c6b1bf607a900760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f183e5b530000040300473045022100f34d8954486105abd1dcac0dd4ed366b99f8b12ba6c7a23431c9f0ca2305a95402204095346f3d00fd03bb8bb9c49204b1cd3ed491eb06499077b29f19ef44a0ec0e
 . . . . [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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