www.dujco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:5b:60:9c:98:ad:24:42:a0:4b:6d:0e:23:53:f1:c0:9a:9c was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.dujco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:5b:60:9c:98:ad:24:42:a0:4b:6d:0e:23:53:f1:c0:9a:9cSerial Number (int): 292430972167635377348396903172682790509212
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 15:dd:85:66:16:44:c8:95:55:8b:41:92:3a:4b:be:f4:6d:a4:b7:71
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 1a:c9:67:f9:81:ed:96:5b:29:24:e5:dd:b6:fe:65:c7:38:66:5f:4d
Fingerprint (sha256): fa:de:76:f3:f7:f6:43:9f:a0:35:ca:cb:d9:06:3c:f3:e4:82:2e:8d:c1:39:3a:8c:e1:60:0c:b8:ad:09:4c:09
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.dujco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.dujco.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.dujco.com
Other certificates including the domain name dujco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.dujco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUzCCBTugAwIBAgISA1tgnJitJEKgS20OI1PxwJqcMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMxMDMyMDdaFw0y MDAxMTExMDMyMDdaMBgxFjAUBgNVBAMTDXd3dy5kdWpjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDyNdJFMgts2C3/V0gWvOpS3l/nqG1SS9+s B1BtS9cR50BGhq8yuygw5IChyRVlAB5C4Fq25J+EImeSJ4UuKWXkOKAWAg9GjTOd mpxXYlQLkYEITi8OiqOR/hk/iUim9dkwL4UGLN4x0fTIODfHCy04w0GTz3udbUCN vxw0ztlJ+mff7NP+cCyHNLlwFiKo0Wxl8CJR0GCcEgq9AwYVOkJetRRU3c68M+5S mjUX4qcDIYCaJ/CBdtNP/XMT+o5VlvxBHkr/on3YM0BlRo4B46ls1GVQ4ee+e6lr kKcvqFKiXOrH8dC2u/fOosPuwyYmJA37Ux12Cz2rRe87OqTtwh1SrzPwS0o7Qj6J D8Z19IZnkoWOP/MpVNSmr56vYKC7XBm+oF5iNCKxlWAoc1QqA+gCbkvymg6XxlDl XDTW9Rxqg0rk6VmsGSX+IYjXwllpXt2DgfM0JcBhfwWdFoN8O3xlybqMDSVTq/gy 0rNP2W5X4Mbd4DGrwjSKA4a62Q4+NO3FuJDx78tejuKbmXDIwQHxrdpiv4d9s0go C/vPOvWMfn9JjHE5tGrS+Y6+NwoJauzm4mFBmKnQxw6ezCql44TFyAhkxaBB5Ssl 1QV24e0twDGujfIG7rcVYM6OE3N2OZ+dMrUs2YiYvsrn8OYRE2y+TAwvBQiixyun Hw0zyuy3aQIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQV3YVm FkTIlVWLQZI6S770baS3cTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5kdWpjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz APEAdwBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW3E48+xAAAE AwBIMEYCIQCxyS5GtE5Bk16lH0Tpn0HHKKHy3QaMbi5cLzelJ3BaHAIhALVQk/NA BEPA8W9UE6F/tw2ofqSo9CreSJTzU5b8we43AHYAKTxRllTIOWW6qlD8WAfUt2+/ WHopctykwwz05UVH9HgAAAFtxOPPqwAABAMARzBFAiEAl8krpP4SQSw5D1NEUErl sv82Oh3MErK7Nof7/aeulYYCIFQf3vnKCm7mk5bxkFVV8c1BtdrYLx717Xzh4Oaf hDeKMA0GCSqGSIb3DQEBCwUAA4IBAQCWnONIRARCzaWnBLptRy1HwljBDRUJK0xa gYKE8h0T7j9V8F9D67HU/1kinym+VTHCM4yaKjpklgmbWy4nYtO/4mrSWpeRhh9q 31+9IYjliZnagDABUXVjTGFdDe1s2kE5P1HBcVvXvcqwzIcW/YOHzwlK1bDcMcrq QxzGBxFWw7hm92TX4P/6bfX4IqSyh5vxvVedumM4CehcbLFP4dZFfkUSstPzoMI/ v+vHjhDkNm2q1+tsiM0IWhLOBwPrH6L4t6SthKHb8hnLfqM5ApTRJhAZMQvKx1NR v9IGFBIhV3HPzOOwwM/Cxk6MONtOVtx7EUhslrPpdAJgcXiH921l -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA8jXSRTILbNgt/1dIFrzq Ut5f56htUkvfrAdQbUvXEedARoavMrsoMOSAockVZQAeQuBatuSfhCJnkieFLill 5DigFgIPRo0znZqcV2JUC5GBCE4vDoqjkf4ZP4lIpvXZMC+FBizeMdH0yDg3xwst OMNBk897nW1Ajb8cNM7ZSfpn3+zT/nAshzS5cBYiqNFsZfAiUdBgnBIKvQMGFTpC XrUUVN3OvDPuUpo1F+KnAyGAmifwgXbTT/1zE/qOVZb8QR5K/6J92DNAZUaOAeOp bNRlUOHnvnupa5CnL6hSolzqx/HQtrv3zqLD7sMmJiQN+1Mddgs9q0XvOzqk7cId Uq8z8EtKO0I+iQ/GdfSGZ5KFjj/zKVTUpq+er2Cgu1wZvqBeYjQisZVgKHNUKgPo Am5L8poOl8ZQ5Vw01vUcaoNK5OlZrBkl/iGI18JZaV7dg4HzNCXAYX8FnRaDfDt8 Zcm6jA0lU6v4MtKzT9luV+DG3eAxq8I0igOGutkOPjTtxbiQ8e/LXo7im5lwyMEB 8a3aYr+HfbNIKAv7zzr1jH5/SYxxObRq0vmOvjcKCWrs5uJhQZip0McOnswqpeOE xcgIZMWgQeUrJdUFduHtLcAxro3yBu63FWDOjhNzdjmfnTK1LNmImL7K5/DmERNs vkwMLwUIoscrpx8NM8rst2kCAwEAAQ== -----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 292430972167635377348396903172682790509212 . . . . . . . . [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 10:32:07 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 10:32:07 +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.dujco.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 988131567687739108849926441241174746203047747292436100383253692098520323059218327409674877330683983404492127647622381523858447272288975428454415466771479466690038746879687406730589348335172784002939034610586133648624553709692314019142470008523574519190983145342877841515542150779875557467323448000607169997914266141282027577721326628489489137296627217049680868662571930632428931543934552633487430957622734880157598830981615252218145441880951178631206778286587188950333432269146100082450828537184564218742610348822000852101103583614050337086102762089490961835736474273341363013372470557828349009397408827937022565020590523690344404912254585745209453909912135965229667188686579306718957914574573554187055612260837238600437499692671240100510537751758081610008565946361957283246255282846344599377267105361559913130449436507153591844746139422738563763853494500420719938720840492152973717548970690442040550122180372680182879248341769551879458219343379507321006005634697760638722436830368664033013644548202958490117641950992247579912022128145690487433681639576785763930113772235238649098619340519657042178739945191085107528373046970702272951058680983381869167781361954015697124310079796944426800039378731510978391638602875390808312970524521 . . . . . . . . . . . . . . . . . . . . [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) 15dd85661644c895558b41923a4bbef46da4b771 . . . . . . . . . . . . . . . . [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.dujco.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc4e3cfb10000040300483046022100b1c92e46b44e41935ea51f44e99f41c728a1f2dd068c6e2e5c2f37a527705a1c022100b55093f3400443c0f16f5413a17fb70da87ea4a8f42ade4894f35396fcc1ee37007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc4e3cfab000004030047304502210097c92ba4fe12412c390f5344504ae5b2ff363a1dcc12b2bb3687fbfda7ae95860220541fdef9ca0a6ee69396f1905555f1cd41b5dad82f1ef5ed7ce1e0e69f84378a . . . . [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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