npuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:94:d8:98:ac:8b:68:d1:97:8d:b2:47:8d:1b:51:4c:e0:d9 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=npuco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:94:d8:98:ac:8b:68:d1:97:8d:b2:47:8d:1b:51:4c:e0:d9
Serial Number (int): 311986554075411277894576850776357037990105
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 19:d7:dd:86:dd:1f:61:fc:0a:5f:9c:12:91:5c:c9:a0:e6:aa:ef:e0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 28:c0:53:73:a0:8a:af:71:63:d7:42:78:26:e5:58:d3:12:fa:af:bd
Fingerprint (sha256): dc:b3:21:ac:d6:55:d7:e1:83:26:1f:0f:bf:8c:7a:f6:13:28:e1:79:2d:ae:2e:25:bf:5d:02:e8:61:4f:ca:35

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 npuco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for npuco.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

npuco.com

Other certificates including the domain name npuco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for npuco.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 311986554075411277894576850776357037990105
 . . . . . . . . [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 2020-01-01 19:00:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-31 19:00:35 +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 'npuco.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 840548179659115869954129455708583635739281971465662652882861509187085007351447241349198747248244311499572626265332376782660128908038413604258461658544696285797753590772561602839693071954827283206989245411076389416748238061126465641008173406274424314809349885980170081665728301932608789537983144881035966460713140170630741874395532162324962911153074428669798757930273832431454252411857352003354186577477275632230694797460852237773929452404172493520626144349659180615968820141647424025652080861189408188519515872594094808258473304702840149342817129441091268999469058189300873176781024681736488637888703389929545164445462260812111690283538212158783276049335904397800429370420385109518712406191452241527115037014133412893542092199593158416932406007395258678077654068564076728048969766353672527403043002137986839015782692476381734700925660068677895866752481756636269810293607498129435481876227367201337164224125552527633794956226233321691746826024697470270900130291842014650356503719144401398706064818573824536180514508733051040850537515723646910226574596952385789491764632273629846078115708461019642956936128598657885495764076224395515914312360045034490795363930716271967709714631739984686293975090251462310056677139796957437889532496821
 . . . . . . . . . . . . . . . . . . . . [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)
							19d7dd86dd1f61fc0a5f9c12915cc9a0e6aaefe0
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'npuco.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f62b216720000040300483046022100d94f29d2fbbea8716b2049c49d2669b17e203667bb7bd0223d5c3cfdf947b4ae022100f6f09c78c14f175af04f3a0b246fe1b842ce3f89351e2ccbe7d135c679394e25007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f62b2166f0000040300483046022100c49cb4c888eda7aee3387c1b9d08d20e6532b757e2e0978e11675c24f94a4fde022100b7da7d97b1f58c52ed5401ff6df077376ceeeeced5ca08bf832581dfb833532c
 . . . . [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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