dujco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:f8:e2:af:ed:0d:1c:8e:96:43:1e:57:d9:fd:99:b4:eb:8c 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=dujco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:f8:e2:af:ed:0d:1c:8e:96:43:1e:57:d9:fd:99:b4:eb:8cSerial Number (int): 346028203778640993596365654925851864918924
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 03:ba:fe:7e:43:73:91:af:80:e5:cd:bf:66:8c:7a:dc:8d:1c:90:66
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 61:f0:2a:0a:15:ac:f6:80:0d:1d:46:71:53:53:05:af:8b:76:38:a2
Fingerprint (sha256): b3:8c:92:35:f9:43:c8:18:8f:ed:11:34:f0:63:c7:e7:62:ef:0a:43:05:19:89:35:9a:1e:a9:35:ed:62:c0:9a
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate dujco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
dujco.com
Other certificates including the domain name dujco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for dujco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSDCCBTCgAwIBAgISA/jir+0NHI6WQx5X2f2ZtOuMMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMjQyMTE5MjhaFw0y MDA1MjQyMTE5MjhaMBQxEjAQBgNVBAMTCWR1amNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAK8cojvY18mFL/YaEVQHmm4BukVlsM+x00kQSEhh rFU3d3BwTKrMZFI4NDHg3DJROb+AMrIRnAvgkfpCiqkBZYlqOvlRbPjBXm8d4Z6U VYkrLbhHycQ09KWIXpDdQOmVPHuU2fxU9fnrHdN6JaZr914m56ODEQpFB7FKqVR3 +Y/q3fel129WJbw48OTwswB232Pn+pYLRcHqPbgjYE9gSW5+BJhMG85EaAqZlaSP n679D2ypmzADZ5/niq1Cdv8Kdrc0NUMGv4vK9CdPv33IZ8iX73UHr2rxre3ShaEm 1cxgOsOhHaU3ldNZAv69F1NlTBiMxT+1B2YWvGuIAOh9RmKLuTxhv5MJc07+yAyr RTfS4I2a8h1viZ3enK3N9goJVqYSuQT3s/G2Y0pFicfmUOQEAGKSWG6kuA5zGIT4 5apJor4F85u4bSBN6zDfhowyHUzez8hVQq+gpj0R4KdHGz17M20coOG+a0J4h7ki KZyNO2OBIHiS/OklK49u4O+4Fs45h/YQwry2ewIpua5yi/dtnZeXtAz9tfiq/Urs X8LTH2JajFIcR1fXTfqthmcfDIdnVzbaIejOsNjWDtzAXmP9pVQcZrVxTwR7BwZx rarWS591F4mgyIyvyvFO40pjUsGUFpKq92YDCFQtFEdVAfLfU2g+UP7QLef5IwAc /+YrAgMBAAGjggJcMIICWDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAO6/n5Dc5Gv gOXNv2aMetyNHJBmMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJZHVqY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADuAHUA8JWk WfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFweUikggAABAMARjBEAiAp OIZTbV3425cIoR8Gk2PNb0IDtCBNzaVXcspRSgV9DwIgHQJDMHRWtr3S3ebIXOZz KuRl0W3WZJCAzOEVE+jMYrkAdQCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt 74uQXgAAAXB5SKR4AAAEAwBGMEQCICOTXP0B1D096KCrMfyzLaMnaqfkagZFigoS LFQQWlIUAiBP/omkaV4CEbDDmHQiwaGPmdThLht70J90NfSVXw4gNDANBgkqhkiG 9w0BAQsFAAOCAQEAXBNyn/dto3q5f4pWygyYYRbexux9LbeBdOsJvvIT8Sp10DJs 7jtG1gdUCg3QCdJGKGo72K2tzPBk7aGlQbZJ2noRGY/kzruftar55TQffY2edgGj FV88LwA6JABmExCBGnnWAMbenYcurOw2tgfgKbYE/AyJa5WK6+8dkNcpdeQfxMDL iFHiAZb9/QsccjKo+8ORv9p0fg8yEJrOS13qm0VV51J3pVfpRJvktFd+cdFipAat qt+p87A6m2EHYSj+yoK5belE6qxgKyEKV1lHUUuVQsbDCkybPFy6wYh7zUEJdmHJ 4RhrGmHI99iHoKPgr8D6LzCUMM/pKUrgvS8TzQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArxyiO9jXyYUv9hoRVAea bgG6RWWwz7HTSRBISGGsVTd3cHBMqsxkUjg0MeDcMlE5v4AyshGcC+CR+kKKqQFl iWo6+VFs+MFebx3hnpRViSstuEfJxDT0pYhekN1A6ZU8e5TZ/FT1+esd03olpmv3 Xibno4MRCkUHsUqpVHf5j+rd96XXb1YlvDjw5PCzAHbfY+f6lgtFweo9uCNgT2BJ bn4EmEwbzkRoCpmVpI+frv0PbKmbMANnn+eKrUJ2/wp2tzQ1Qwa/i8r0J0+/fchn yJfvdQevavGt7dKFoSbVzGA6w6EdpTeV01kC/r0XU2VMGIzFP7UHZha8a4gA6H1G You5PGG/kwlzTv7IDKtFN9LgjZryHW+Jnd6crc32CglWphK5BPez8bZjSkWJx+ZQ 5AQAYpJYbqS4DnMYhPjlqkmivgXzm7htIE3rMN+GjDIdTN7PyFVCr6CmPRHgp0cb PXszbRyg4b5rQniHuSIpnI07Y4EgeJL86SUrj27g77gWzjmH9hDCvLZ7Aim5rnKL 922dl5e0DP21+Kr9SuxfwtMfYlqMUhxHV9dN+q2GZx8Mh2dXNtoh6M6w2NYO3MBe Y/2lVBxmtXFPBHsHBnGtqtZLn3UXiaDIjK/K8U7jSmNSwZQWkqr3ZgMIVC0UR1UB 8t9TaD5Q/tAt5/kjABz/5isCAwEAAQ== -----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 346028203778640993596365654925851864918924 . . . . . . . . [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 2020-02-24 21:19:28 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-24 21:19:28 +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 '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 714394022095594073361393508100391756044647588937875699785986211802345403537141010679808413840531215568896984891380533350768171252011411072079602056703949995834445223070657602290799343484299430862784995969258840126925259090081888262942191359726856520045719975072578127596469835257288552122929934327151079089784705096451014667481929811007947296363869586066290783724981583271048029145217904174501646577630335196863311132672299374497948865221044049641210879995752799629007483967764852557309560610159397527551677868439792028633876846576220001441791562095984761221965987665537773909293796829195570377227901575466409513589404545530589362753865764929342614851830159873127393972373315634254330217917966876692475366864269960947522893721966752275918349679781358416523959382359898430558580043734740019086809784387142867847525405331556015281920352567294393403930894366020864473206395446350839486569243126198602129449723724233391797261774725366627811462571316688020151636758921851237420387500854817152348286881888243912396385655719761526052852335041755802116998872831492994352983721293208101414713424127114441441865430423029177246918227381968835332716559951236407961727477737338754433522301774251123696511742675161280074942918908189470646543050283 . . . . . . . . . . . . . . . . . . . . [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) 03bafe7e437391af80e5cdbf668c7adc8d1c9066 . . . . . . . . . . . . . . . . [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 '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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001707948a48200000403004630440220293886536d5df8db9708a11f069363cd6f4203b4204dcda55772ca514a057d0f02201d0243307456b6bdd2dde6c85ce6732ae465d16dd6649080cce11513e8cc62b9007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001707948a4780000040300463044022023935cfd01d43d3de8a0ab31fcb32da3276aa7e46a06458a0a122c54105a521402204ffe89a4695e0211b0c3987422c1a18f99d4e12e1b7bd09f7435f4955f0e2034 . . . . [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) 005c13729ff76da37ab97f8a56ca0c986116dec6ec7d2db78174eb09bef213f12a75d0326cee3b46d607540a0dd009d246286a3bd8adadccf064eda1a541b649da7a11198fe4cebb9fb5aaf9e5341f7d8d9e7601a3155f3c2f003a2400661310811a79d600c6de9d872eacec36b607e029b604fc0c896b958aebef1d90d72975e41fc4c0cb8851e20196fdfd0b1c7232a8fbc391bfda747e0f32109ace4b5dea9b4555e75277a557e9449be4b4577e71d162a406adaadfa9f3b03a9b61076128feca82b96de944eaac602b210a575947514b9542c6c30a4c9b3c5cbac1887bcd41097661c9e1186b1a61c8f7d887a0a3e0afc0fa2f309430cfe9294ae0bd2f13cd