www.npuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:74:bb:6d:6c:1d:64:29:5a:cf:3c:f9:8b:38:27:3a:6c:c6 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): 03:74:bb:6d:6c:1d:64:29:5a:cf:3c:f9:8b:38:27:3a:6c:c6Serial Number (int): 301058746146507813669138338174750678478022
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: bf:52:6f:4a:1b:00:5d:a4:3a:6b:55:46:04:16:e7:57:75:02:ec:86
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 25:44:cf:50:d6:74:c9:56:87:0b:69:fe:9f:c2:de:2d:bd:f1:19:41
Fingerprint (sha256): c2:06:a2:c4:3f:79:a2:f7:e8:cb:a4:a5:8c:d4:72:bf:8b:ee:c6:7f:fe:81:ec:b5:ee:11:c1:65:88:ed:49:c2
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----- MIIGUTCCBTmgAwIBAgISA3S7bWwdZClazzz5izgnOmzGMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMzExNTUxMzJaFw0y MDAzMzAxNTUxMzJaMBgxFjAUBgNVBAMTDXd3dy5ucHVjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQC03ddRkrjiyABF8GPDRt+vWf3OQbergHry 5wSkQUJSvTj/gfdyxOOWJ5xC38RR8DAg9csosTiz+8abdon1wu+UXHElD7+fM5xu sK/4vZlnDXU+1ZeJGkrlL0OSwR/s/YtXIGQOOQoUWpXbuJXIP4yzsuPZQl+ot2KR ruvJvIF3+6UYh1gqarfdwBjsN1AR0F+2ZEh1hEmIsY1Id425vrt8qAGRigJLEWCj cUT+xznDsrvVv9EYcx2yAYvbftH5/Gf0p8QRsE2Uw2c4zXWewWrJ6kJubMYdTgM1 BY8nKGUwarfsTiF1d6Kl7+9iq66DMtHXlmss0ICyG6JkrMGBkxAnFptEA4s/7NjU awlkN0wTGmDSEWoWvBePc5OBiuXrxEQzQ1gnY2Mz8vaxtFy5NUO4p1MHNZZEtlfA i2hlhHzwn++umpIjHZfxdElJsI4ePW9/00sKC0KGKvF8LIuQCgWcCRd6a4AXeOtI 9pY8yvGHqavCYApGIgAaxMTOVC71rj74DGDdMnUWMfUHqvGNHmZLAGTu2rSeU4vX XXMPPNlUntbs6Jq4Kv9AFIQj2P0M4AZHHw0+v2lcgvzUaqDVzqDtW0IyA9L1cdel nCyebSgseg3RNwkokfd4PGtkTE19exNrlLrnY+eqG2Eq+8ghdKlCBQYZ+0L5HKVe tPkW058KTwIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBS/Um9K GwBdpDprVUYEFudXdQLshjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5ucHVjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdgDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW9c3qKkAAAE AwBHMEUCIQCmwDgilhPF/SqEVSjmZACcrAGalVx4aopTJ1cyMECkngIgMB+g1ivz XsgzjR8FtG7YvWdl1qIVGlaWCtPTrTrK/5sAdQAHt1wb5X1o//Gwxh0jFce65ld8 V5S3au68YToaadOiHAAAAW9c3qLPAAAEAwBGMEQCIBRG6BtgFB8EUXAN86XyMzJx +IiLnTOVUsB5eRVUMCi8AiB+xiuRkzMcVO5SvOl+k9s0i4aIFmSAyjbrMySb413b MTANBgkqhkiG9w0BAQsFAAOCAQEAQjDX1CPkkhvWpI8uILeMvYKlZ9C94mtFMjQk /bVkmB9bMQmFCSBjBcJcmJNqQbq58Hk8eYFCPNDsdsYrFqfo0OItFZPMH+G3Xzew qt0dAGpjiJo6owSzovVX+wEuFmxaAs/MBcB9NqgZNkIQcazWlTR7GGHXhVCVlp4r 1ksSBQzfzzhDt1jM8hH4ANmAyjAnqPKjEN7TA663CkJt7jlOSHo744OGAV3Ttbd3 EukCMeMWcvqM4VTgzuTPB+crUrZhHYGRpvZ8Zfwz8s2EYaEhiEo76LlJSGZuATJE Xc7aoabPArg3/rMoaW2F4b5bUK+Jet1bmrkD9rx+svs8IABkmg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtN3XUZK44sgARfBjw0bf r1n9zkG3q4B68ucEpEFCUr04/4H3csTjliecQt/EUfAwIPXLKLE4s/vGm3aJ9cLv lFxxJQ+/nzOcbrCv+L2ZZw11PtWXiRpK5S9DksEf7P2LVyBkDjkKFFqV27iVyD+M s7Lj2UJfqLdika7rybyBd/ulGIdYKmq33cAY7DdQEdBftmRIdYRJiLGNSHeNub67 fKgBkYoCSxFgo3FE/sc5w7K71b/RGHMdsgGL237R+fxn9KfEEbBNlMNnOM11nsFq yepCbmzGHU4DNQWPJyhlMGq37E4hdXeipe/vYquugzLR15ZrLNCAshuiZKzBgZMQ JxabRAOLP+zY1GsJZDdMExpg0hFqFrwXj3OTgYrl68REM0NYJ2NjM/L2sbRcuTVD uKdTBzWWRLZXwItoZYR88J/vrpqSIx2X8XRJSbCOHj1vf9NLCgtChirxfCyLkAoF nAkXemuAF3jrSPaWPMrxh6mrwmAKRiIAGsTEzlQu9a4++Axg3TJ1FjH1B6rxjR5m SwBk7tq0nlOL111zDzzZVJ7W7OiauCr/QBSEI9j9DOAGRx8NPr9pXIL81Gqg1c6g 7VtCMgPS9XHXpZwsnm0oLHoN0TcJKJH3eDxrZExNfXsTa5S652PnqhthKvvIIXSp QgUGGftC+RylXrT5FtOfCk8CAwEAAQ== -----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 301058746146507813669138338174750678478022 . . . . . . . . [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 2019-12-31 15:51:32 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-30 15:51:32 +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 737871216152090452167653564115034447139412311329239919731634522626012953167068279701283199544783705569084212301712790594253222016458520150081026794955736174942867551879542900963606724553507640130625921583347863658856981356005939059252604966293745839698273612742735485704766360804101264375371090530188128258613282874985870202945095875196323639051366465336912358725346710230870249171421535666039473501788528273257573016191569711673506474212108544881861235169150493864126715824272032276363608727921361245320860809194864674346355127724878500648867207833296824980573083007550616793123148020050278693322482020329162304276851081973655703799518909074190450676554726648144781584624283620395815254018544014034040329799650607713066834041867185268228600214850529448390711324196290889855335708060092087686556946724479501524657965177844177022510476614451780522062772146191294381530662112545375917837854254588378454111428319018856959709328108447843758891569538337966912045381152480904313189109686964192145150130867445914084114436247914658151056089464198407593787346627586471926415054082631119390515264489286904690165233907785869145114916964870072733022885859149911094897059862049509341771575951328543030510219227345191089546643107871806153677539919 . . . . . . . . . . . . . . . . . . . . [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) bf526f4a1b005da43a6b55460416e7577502ec86 . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f5cdea2a40000040300473045022100a6c038229613c5fd2a845528e664009cac019a955c786a8a532757323040a49e0220301fa0d62bf35ec8338d1f05b46ed8bd6765d6a2151a56960ad3d3ad3acaff9b00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f5cdea2cf000004030046304402201446e81b60141f0451700df3a5f2333271f8888b9d339552c0797915543028bc02207ec62b9193331c54ee52bce97e93db348b8688166480ca36eb33249be35ddb31 . . . . [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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