www.dctco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:1a:46:17:e6:aa:b7:de:2e:72:cf:8e:39:ab:a8:81:d4:a1 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.dctco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:1a:46:17:e6:aa:b7:de:2e:72:cf:8e:39:ab:a8:81:d4:a1Serial Number (int): 270277369396237731227043299481711385105569
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 5c:c7:f4:97:6e:ff:9a:5d:82:8c:8d:3d:17:17:d5:92:f6:66:39:ce
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 1c:43:64:87:5d:24:0c:ee:b0:64:73:c6:6f:00:68:bd:36:01:44:62
Fingerprint (sha256): 08:4a:94:ed:22:c9:47:ab:59:43:74:72:72:3b:38:8d:b2:83:22:5a:57:7d:70:37:0b:33:f1:fd:ed:77:12:31
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.dctco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.dctco.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.dctco.com
Other certificates including the domain name dctco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.dctco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUjCCBTqgAwIBAgISAxpGF+aqt94ucs+OOauogdShMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTYwNjA2MDNaFw0y MDAzMTUwNjA2MDNaMBgxFjAUBgNVBAMTDXd3dy5kY3Rjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDPw1XE0c5V68wvtf8o32xFGVbtPTl6yGBS STHa6chQOvVunVNoDSx0cLz3qSdFMR7HqDA2QxsaNC97i7eQV+I6exYv/Ll/dKeS ojEyyuzMHyemge5IjNCxfR0A4zgd+zZORJ9HwO1Zq1G96GAuPGEbGdlQTGtOIuWL awNf32A+Ftv+XEPLy3QShPzKQrwgku9IVNPJrimIPuqdsrS+MUJC78hAw02TJtuu F+sy/0lV8YRtTKK5gUNP4saMDokM7wn3Pc9gxJNBPlsJ2RFaxclhwE48oD37d3o5 CEehz2i8cWeaCptXrk9+ycDxbezTVvLE/j4LmIsc/8+4eVvwu+AfZpHxgZKBtgFa UKWflxK3/izt6BBNMHSIDQPRJeO3kS0X8lByoR30Ts4dvrg3vkenGDm4iiPIH5ph 04lmrqn0zk691LC+iIFqZRw4dE51XzIP5Gm2c/mB+MJDRprkrtaHNCITRE5D68ZQ dH/iAU+VmTybRGZ0UbOv08QA7adzDSK5nrT+fio0CoKdFTf9TocM8aJqj2GKGo5h igKqgafB4VGQSft+etMifwDddUsvTlR/wuYrUW34DSJTTtcB7vdK0deAFG3UrT3g oBe/V3xR/0wUrmKbjBu67TcJN4g9l2dCmizNMupXDfmAEmIDlTJbdJBch34QTzLj mV98tBx/+QIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRcx/SX bv+aXYKMjT0XF9WS9mY5zjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5kY3Rjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW8NhzoGAAAE AwBHMEUCIAME8VT4x+F0A2Zla00iwarc7FpC80GvVoiyqU3zMtHmAiEAu9cLqyqj CmG1iV08yCAd7QufcHU7qFdiP4zq5jtcrPcAdgAHt1wb5X1o//Gwxh0jFce65ld8 V5S3au68YToaadOiHAAAAW8NhzoyAAAEAwBHMEUCIQDgXOnhxW6lgaOVD8hKvkb3 fcg1dAp/rcxb8H08EVajJgIgQDmrAjpUles+E0RBO6TTiEqhkZvbRL0c05jQCF4g eoUwDQYJKoZIhvcNAQELBQADggEBADatWoh/DgtAHBcXDzKUagkWcuyrhkR17qoq xR7doRE28md/R1QaF8PJzdQzjC5eK9jkSLDdcwWrChfJN7RRgMe4H7d/Xnpuv0gy YukPoMYPR4lHqDJ7P/71MlzcgH7AcJtPFbmUuzQtwRL1ebFbVD6p9fUb8MNlFNgi 8GvXCYZ7n6XOa52G/3iYANW3xu3PYz9nVphqbi0WUSkblNrVWwnWyZV/PNUf4M0k TF4qcqr5llK19ImcsiAgGTwQaj7roxUqJh2bPrpKUJcmGftkB5SRdG/KfwY7GK4F 8158QdNIdJ6QG1AARSw16/g/zyNCdDA7SJ5LfWoLIynRa9wmIfs= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAz8NVxNHOVevML7X/KN9s RRlW7T05eshgUkkx2unIUDr1bp1TaA0sdHC896knRTEex6gwNkMbGjQve4u3kFfi OnsWL/y5f3SnkqIxMsrszB8npoHuSIzQsX0dAOM4Hfs2TkSfR8DtWatRvehgLjxh GxnZUExrTiLli2sDX99gPhbb/lxDy8t0EoT8ykK8IJLvSFTTya4piD7qnbK0vjFC Qu/IQMNNkybbrhfrMv9JVfGEbUyiuYFDT+LGjA6JDO8J9z3PYMSTQT5bCdkRWsXJ YcBOPKA9+3d6OQhHoc9ovHFnmgqbV65PfsnA8W3s01byxP4+C5iLHP/PuHlb8Lvg H2aR8YGSgbYBWlCln5cSt/4s7egQTTB0iA0D0SXjt5EtF/JQcqEd9E7OHb64N75H pxg5uIojyB+aYdOJZq6p9M5OvdSwvoiBamUcOHROdV8yD+RptnP5gfjCQ0aa5K7W hzQiE0ROQ+vGUHR/4gFPlZk8m0RmdFGzr9PEAO2ncw0iuZ60/n4qNAqCnRU3/U6H DPGiao9hihqOYYoCqoGnweFRkEn7fnrTIn8A3XVLL05Uf8LmK1Ft+A0iU07XAe73 StHXgBRt1K094KAXv1d8Uf9MFK5im4wbuu03CTeIPZdnQposzTLqVw35gBJiA5Uy W3SQXId+EE8y45lffLQcf/kCAwEAAQ== -----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 270277369396237731227043299481711385105569 . . . . . . . . [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 2019-12-16 06:06:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 06:06:03 +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.dctco.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 847599202606279402595713383419990397842811467422136928906967805877708569225329939317527615348199006978147584551237817473689462654026996737853722964695909060073228858132541056258463069192442111569110054416486182326011084486114071198287606853571977580142359731175302572265351881941042673546594916445189538419907752538960673263884145610870039590482517012952716465490420051376445334687845768518712373875716330305730873250262275364724910393418304703874368755632287160185671759178404178045298012400942710731219214292486121673444201769787167048115902349354459018417181005538755837888029573070896907404449676815093300724068232889859843330662004777337141529353938818540606564042979480597561764646603707305802206682946189418828532352990220126577739664376083580411531374581811220633215475722521963897446245671188496768339286711196982707670831541706725679297553778678631975254718548317319499037277832693573589444459856103446247531994800904440702347618676202643198904354300615187344595518606141006899107353266829007753550029212785918455962961110178749061541250536978064834526496116825382004112431081903359584718927346454749815131804550675912636441881184733305329378721077704324483566208257542759506065158445727155550023440955424187769789314007033 . . . . . . . . . . . . . . . . . . . . [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) 5cc7f4976eff9a5d828c8d3d1717d592f66639ce . . . . . . . . . . . . . . . . [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.dctco.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) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f0d873a06000004030047304502200304f154f8c7e1740366656b4d22c1aadcec5a42f341af5688b2a94df332d1e6022100bbd70bab2aa30a61b5895d3cc8201ded0b9f70753ba857623f8ceae63b5cacf700760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f0d873a320000040300473045022100e05ce9e1c56ea581a3950fc84abe46f77dc835740a7fadcc5bf07d3c1156a32602204039ab023a5495eb3e1344413ba4d3884aa1919bdb44bd1cd398d0085e207a85 . . . . [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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