dujco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:06:fc:e4:64:63:e0:d9:ba:a0:54:da:80:f8:32:8b:56:d7 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): 03:06:fc:e4:64:63:e0:d9:ba:a0:54:da:80:f8:32:8b:56:d7Serial Number (int): 263714703331582051775822819177748681676503
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: bc:4c:00:d4:2a:06:4a:b4:ed:47:19:32:f2:76:75:c9:9b:0b:2f:ab
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b8:1a:41:33:88:98:f6:d1:06:e7:b1:44:34:97:cc:94:df:d6:62:25
Fingerprint (sha256): 55:26:88:7e:03:ab:fa:40:e3:de:2d:00:00:2b:a1:62:74:6b:5f:a7:b4:f2:09:7b:e6:78:49:0e:be:67:b6:1b
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----- MIIGSzCCBTOgAwIBAgISAwb85GRj4Nm6oFTagPgyi1bXMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMjUyMDI0NDVaFw0y MDAzMjQyMDI0NDVaMBQxEjAQBgNVBAMTCWR1amNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAKwu1A5vx2DG7y0KRw2wKTvKR6aV8rzCpSIV6x2S EGasSa3xKyGRaUlyNoKd8+s65j/ekU8TLFHwWFsey4zpF/PLMYGfn2sQr5p0bCvY exbZju7zGVhhR2NqvzPDdkyOM08qczCMA6wBOdTo3ZWUDak/Z2Irunn+82lb1/eF XXqK0big1COkB+OKSe0chxk74Pwp56WCfx/019udecEF5vbx3e06l6Ov5IQj+npl vDArI+e3GZMuPNG8JDty1lvOB++eI1fKXkDUVUxL+T0QPpXiAFmTL635sFDt5WJa uPwWX9escia1hBFn6O75F6Kh4XmBF8lubd5VfUig9++o+cU4///nbmDAc+wL+nhw q8Lp6tTJ5H/9I1P5UwvRQ5S0uPlLttmdLySC4tMyR5od0aC+zLiyNSs+TszSnh6p MUIps5W0uLXvg6zUd0qyRgWOrS8F80g0R9JoZCRVvRQ51ErmUNWkT9BMe2Gm/os6 fVeMm0WHvQHNLK9vWj7Fy2GPMDpcWGkFVUy1/3voRhlxN6GQHSk7B7Laroa7lbIa cv8X5NEqc/MqXHv5xGoAg8Dh71PfJ6b7xDULgKlRt5B0UpiDVuYMfm0mcoGkBYgf 36Sh/b44w1V+5J/Lj0cyB9j/e+GV9iUx0Tkhvtk+yJaC+mwfZR2ptJiZJ2+j7ZWT Hq8xAgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFLxMANQqBkq0 7UcZMvJ2dcmbCy+rMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJZHVqY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYA8JWk WfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFvPvKfcgAABAMARzBFAiEA mwX2Yp0XyPdpDb6/e/cMdoZTlLWHpbdTd6FZmLtVv10CIB8tgjFGMyLa60tXjmvc i0grfcw2jH1cdJiN1hZBbLXfAHcAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6 GmnTohwAAAFvPvKfmQAABAMASDBGAiEA5K3llnDFW5p5N81uWooG7kkY2TqpOC2L vSeYyWgFOmACIQCntd/YxcHlBtPqwNJGMi6Fy7nLC7iFL6HaGH8uV/b0LzANBgkq hkiG9w0BAQsFAAOCAQEAaghEXB7btcoWmz15jUN8pYpNnblHy8RMIHLu5ydoIZfg C0aUWtTNvLzJrFzqgPuE5aWA0KJkXjzVoaNIlQyynnLSdhDlV7ReubFS5kepXdgj Z257i6FZ1ekuU+UGd6c3YyT3N4ELIgjIk+fVpjeGQ2YvLvxZy/+z4AAzBx+jD/AI Cgrpcy5l2asDkMuC/xDOI6kvZ3CTz4vWjc3L72Hz72rX+cSVr4NmTYtRht5uj0um 410TcNue0s5FD1a6CW+0+NP3XicLoZaahBG1PRb+HC2uNq9aVvxe76zDXnzp9+tg 5BIrdzdztqs1xCsyzjdpyozbqSchHWMBIps1weANNg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArC7UDm/HYMbvLQpHDbAp O8pHppXyvMKlIhXrHZIQZqxJrfErIZFpSXI2gp3z6zrmP96RTxMsUfBYWx7LjOkX 88sxgZ+faxCvmnRsK9h7FtmO7vMZWGFHY2q/M8N2TI4zTypzMIwDrAE51OjdlZQN qT9nYiu6ef7zaVvX94VdeorRuKDUI6QH44pJ7RyHGTvg/CnnpYJ/H/TX2515wQXm 9vHd7TqXo6/khCP6emW8MCsj57cZky480bwkO3LWW84H754jV8peQNRVTEv5PRA+ leIAWZMvrfmwUO3lYlq4/BZf16xyJrWEEWfo7vkXoqHheYEXyW5t3lV9SKD376j5 xTj//+duYMBz7Av6eHCrwunq1Mnkf/0jU/lTC9FDlLS4+Uu22Z0vJILi0zJHmh3R oL7MuLI1Kz5OzNKeHqkxQimzlbS4te+DrNR3SrJGBY6tLwXzSDRH0mhkJFW9FDnU SuZQ1aRP0Ex7Yab+izp9V4ybRYe9Ac0sr29aPsXLYY8wOlxYaQVVTLX/e+hGGXE3 oZAdKTsHstquhruVshpy/xfk0Spz8ypce/nEagCDwOHvU98npvvENQuAqVG3kHRS mINW5gx+bSZygaQFiB/fpKH9vjjDVX7kn8uPRzIH2P974ZX2JTHROSG+2T7IloL6 bB9lHam0mJknb6PtlZMerzECAwEAAQ== -----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 263714703331582051775822819177748681676503 . . . . . . . . [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 2019-12-25 20:24:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-24 20:24:45 +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 702445041344225629774384760678153186964220376000907543462574929084179979376835068624975570026034673523299128995822533888485429455323592351846430927234226508446064913331941794114994808883861008918367683827077624747576393429338400872712262499281399601636081707307475856289146821303660931747123173614714657814929299706136686155466084732979008798520031944574645678431113373720816315395942723959256757305140426444908364868442495610130051752605492457958690705221897172223618734010204807189998850919516937075316947202823942362650057605245916139378781669192546683355386432049843827279590362993189713122211345514007858663419370224889890355174749176303848474766326436762451383947431555644210594537929195448044582308736376111329808055166529217854480166479588078358513003062715936873947690843603805821846544054165592645806174956376234389734601201004504386145776456083748244224614397682073689489641707230670566254514159672017611077756884552430884869054033790521099743403148142574292074561530473899781894347617870610914532151737879339112831531205438819100588020620240598164659598309185357032390978144727256673817611418584452818533419798623382723134883987511847348561863351053075288771676755218965809487169276500420339738602861541858375752350609201 . . . . . . . . . . . . . . . . . . . . [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) bc4c00d42a064ab4ed471932f27675c99b0b2fab . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f3ef29f7200000403004730450221009b05f6629d17c8f7690dbebf7bf70c76865394b587a5b75377a15998bb55bf5d02201f2d8231463322daeb4b578e6bdc8b482b7dcc368c7d5c74988dd616416cb5df00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f3ef29f990000040300483046022100e4ade59670c55b9a7937cd6e5a8a06ee4918d93aa9382d8bbd2798c968053a60022100a7b5dfd8c5c1e506d3eac0d246322e85cbb9cb0bb8852fa1da187f2e57f6f42f . . . . [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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