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:20:06:77:32Serial 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.orgCheck 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----- MIIGUjCCBTqgAwIBAgISBNCq6jrA82gaZQIgbY8gBncyMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMwMDAwNTNaFw0y MDAxMTEwMDAwNTNaMBgxFjAUBgNVBAMTDXd3dy5ucHVjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQCw00tyG4OGIJOv1Vk6kjwyuhae7ytCURpj CcaU0gwwhqZJLvs6ApPAaX6TGbAFH+5vVrF1NnBdpOcbWYdIgELWKpzaUeWcQ+jG f2ONV2mO8MZxNVqPPMNBCKUOj6bYyd5YyLeVdlD+I0BG7AtwnubYHHJqVU9RS2CB jrssRljLDylAez1PcFrArxzIwPhJ2HPvDOQsDkMfO/3QrDrB3Fi99eaMiMCcoij8 jQBxNZwnzNnbbyu8U4s4K0A2RhohU5p/AWQxb7p1/FJDcP1y6FUNelZP9mn84qsO LT/XDtXMJ6+Go0mqAIWQT3MOlEkdIO7pXA0RHBP8zsWuz3VbQzmFUsrmmX/9IvP5 lWeyXPWkiNmZLwuDuWvwMaGQ2kEcHZdRnPfCefJWWlJaZa+FVmHyJbcCdoC8bDRN seP9nQmlI8FE/afHh0K1SklgkFzPzZ3aqeJCnsRCRSrKNK0f9RsjnR8XDbx74LjW QKYUrjNpYOM1TAAIkdxYxfY43Avr/zhx5pQ64wVJbCUi+U0yOwzsvE/8vDvRysPf 5dK+Q4rTyrRTCF/lB7ko1bSmF2qcJGZqLvScTOJSwb+e1VMn0ZaI12pMBSSgRHQ3 KKebRQJo1ck9tSg+mn60V+k7ssoGCuxmczNuFZgMcO9/mxq3fwBtEK4obW8Z3wo5 K01DASn9GwIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSbFMuc xNkTdyfOo3cdHjupCpYJijAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5ucHVjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAW3CoepTAAAE AwBHMEUCIQDSXsJJMIQM/gGLjk9LNY4c8LD/ivp0vdeou/FAvxBimwIgZ2v2I8rI XK3p+fFTIkKPh/5dbpHbCtHn9KmGTVJrd9MAdgBvU3asMfAxGdiZAKRRFf93FRwR 2QLBACkGjbIImjfZEwAAAW3CoesIAAAEAwBHMEUCIE1QMoXIU2H1N7TXbbrUd12f F4CuRHbrKKFAldiFCbjpAiEA3X6BnfsXQH1vkVVseKA4PgGlfuUNPx6jeHnBTva+ vcAwDQYJKoZIhvcNAQELBQADggEBAEwMeR9gGF1SRb1mAxyaJ6QhaChNpZZlKK2s y+31CPT56QJF2/QUu8jW/tiN9yAbJurYF4zEhtXV27I5wI/ituQ1Cwr+eCCJj9Dl xlpDebqf2/3u8BYsf+h4WplAFkg9nTNjKP2sUWDIolB12FoOF7x20MC+9IFSRSgz ULfyJnRsk0dceY8R3Z3X0ufTS1OWjbLkcFsMuPRPp2N6sT0hwjMdsf1CZjpk9NYs kkx73KE3zxH9pIbyYfwa1KBpgRrKLTSOr7AD0BVbXePP7pjoj/N7Eq6Hmfl2qr64 ypAxbATWObxZeQPN4q1Fxfh1qTxru7p1I2RGJHJb+SkQMzXKcTE= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsNNLchuDhiCTr9VZOpI8 MroWnu8rQlEaYwnGlNIMMIamSS77OgKTwGl+kxmwBR/ub1axdTZwXaTnG1mHSIBC 1iqc2lHlnEPoxn9jjVdpjvDGcTVajzzDQQilDo+m2MneWMi3lXZQ/iNARuwLcJ7m 2BxyalVPUUtggY67LEZYyw8pQHs9T3BawK8cyMD4Sdhz7wzkLA5DHzv90Kw6wdxY vfXmjIjAnKIo/I0AcTWcJ8zZ228rvFOLOCtANkYaIVOafwFkMW+6dfxSQ3D9cuhV DXpWT/Zp/OKrDi0/1w7VzCevhqNJqgCFkE9zDpRJHSDu6VwNERwT/M7Frs91W0M5 hVLK5pl//SLz+ZVnslz1pIjZmS8Lg7lr8DGhkNpBHB2XUZz3wnnyVlpSWmWvhVZh 8iW3AnaAvGw0TbHj/Z0JpSPBRP2nx4dCtUpJYJBcz82d2qniQp7EQkUqyjStH/Ub I50fFw28e+C41kCmFK4zaWDjNUwACJHcWMX2ONwL6/84ceaUOuMFSWwlIvlNMjsM 7LxP/Lw70crD3+XSvkOK08q0Uwhf5Qe5KNW0phdqnCRmai70nEziUsG/ntVTJ9GW iNdqTAUkoER0Nyinm0UCaNXJPbUoPpp+tFfpO7LKBgrsZnMzbhWYDHDvf5sat38A bRCuKG1vGd8KOStNQwEp/RsCAwEAAQ== -----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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