www.npuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d0:aa:ea:3a:c0:f3:68:1a:65:02:20:6d:8f:20:06:77:32 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.npuco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d0:aa:ea:3a:c0:f3:68:1a:65:02:20:6d:8f:20:06:77:32
Serial Number (int): 419455060995011414759788506821266692798258
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9b:14:cb:9c:c4:d9:13:77:27:ce:a3:77:1d:1e:3b:a9:0a:96:09:8a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e9:23:75:d2:14:96:3a:6e:ed:08:ee:3c:62:80:d5:7e:ed:e5:97:e7
Fingerprint (sha256): 63:2e:3e:82:2a:6c:3c:bc:38:c5:1d:17:d6:63:19:2e:46:3e:a3:2a:26:f8:ac:67:4f:0b:b8:3b:c1:d0:ba:e6

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.npuco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.npuco.com

Other certificates including the domain name npuco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 419455060995011414759788506821266692798258
 . . . . . . . . [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 00:00:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 00:00:53 +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 'www.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 721384571634880351991374271622614364374871565395722516136482995122682260212378819103669928843560714429635688603247593911004493913443003927954309586985828608629647758712617261779695291263250385836294864847122088748433304576564680116059889937817272028723151352155639896548721536681499720145904103784775663008245980564884355790279678029199041037179813445376402368132891050843471770277884483770529756714909363237226069796481379353330972893544750278685118484993875168643438253920447472030730361351991009964083632353284378985629745814074874486667830457123929498329469689735056504819587326893810922877965808497711680406201137628107157958318480673429776870915892257155289991401555198041713946411387364099820711726534943842858039129674796107647589063533980945680909430543397557654566477648167477868161528816420373791156398009755164268026855519931676797603266956253774712968256625622782990581536485708721895967237334245107868354010162394157777237058553122470112373369763974255662165716635459034562820873952765741728018614967618178798863105393473985005300839046986701267816760311326094576883370527856837765016859623416610889289898292971537565273214737774262804173822168011289641021635808875547683760039980188416608977625519128870395779176070427
 . . . . . . . . . . . . . . . . . . . . [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)
							9b14cb9cc4d9137727cea3771d1e3ba90a96098a
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc2a1ea530000040300473045022100d25ec24930840cfe018b8e4f4b358e1cf0b0ff8afa74bdd7a8bbf140bf10629b0220676bf623cac85cade9f9f15322428f87fe5d6e91db0ad1e7f4a9864d526b77d30076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dc2a1eb08000004030047304502204d503285c85361f537b4d76dbad4775d9f1780ae4476eb28a14095d88509b8e9022100dd7e819dfb17407d6f91556c78a0383e01a57ee50d3f1ea37879c14ef6bebdc0
 . . . . [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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