www.dtuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:52:0b:1c:ac:08:4e:fe:9d:40:3c:ae:ca:df:87:ac:4f:5f 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.dtuco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:52:0b:1c:ac:08:4e:fe:9d:40:3c:ae:ca:df:87:ac:4f:5fSerial Number (int): 376367068196056338408990033288543760830303
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 5d:d5:f5:7b:6e:3f:33:ff:e8:d9:96:d3:23:67:ab:13:b3:5b:a7:8b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d5:d1:d2:c5:51:b5:10:1b:0e:3e:2a:27:48:a3:37:a1:d5:dc:a6:3f
Fingerprint (sha256): 5e:de:41:72:e2:4e:6c:34:3b:33:9f:b5:df:56:9a:4d:77:2b:28:d8:6b:e1:3b:1f:aa:07:94:c2:01:3f:37:44
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.dtuco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.dtuco.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.dtuco.com
Other certificates including the domain name dtuco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.dtuco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUTCCBTmgAwIBAgISBFILHKwITv6dQDyuyt+HrE9fMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMzExNDAyMDRaFw0y MDAzMzAxNDAyMDRaMBgxFjAUBgNVBAMTDXd3dy5kdHVjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDODTnt2U9jX+lQm95CxAuoLAhsC0K4OVfj yg3eZynSaEjZvTpolYZoDY3J2tbIFwNdEnjxrDygUVWIg8GFc0U3rj9W0dDMA4HP zzqe8go9ElwkxY6tCtN/JT8gvn6xdkUlKYvbRLb2suBrrun/GgSgFNlbM0rRxQUa 1Su6fY0kQKD3V1OKyAbHt0hKdbZpRDoSDmW/HVH1hQfHxJ0BABIKFfx0/ZlZHsrY 2YqjDYh/ugjwWZVhuoxUj7Q/ZBXgjY7JOjTmHhYA5/3RgF4DxV/4LNLnycoUCxwg 6fAVld5N30IBboU4yRI6MCgrGkQV9dX8a315WYHbG7+ldrZqPkka2AtUIG8eJynZ QbsguwQKK3LDe+Eh/9aRw5TwSz8C0j3Hv18w+WFZe6iMNwo+bAbFodAlfRFOiVSm erVc3DPs2iqNMxYnFiSvVWKbbGspoMUln/nuQdUDPK5f89DxuXCk3IpuLQtaWWzs LNNoDM1CdBqNzVkeHzlb/w8ZsuH+K4a1lUJl/J4s0WEbM7+kHeGAs2mnlnQ+g2/a 9QjNRZVVfo7vXUYY5bjhO3Oo4BmChnSyBh4KZVtK1AD+xfvrLlQiUXsjOE6uuYeD Nxwn2vTVpiothv/YwRjVKsZH3SYMhOM+PNdF2Hjb0yKFIJ3kd4ECyIyl+QS3qHjj MoXpgBobrQIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRd1fV7 bj8z/+jZltMjZ6sTs1unizAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5kdHVjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdgBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAAAW9cemsxAAAE AwBHMEUCIQDWyoAJY7AioLm3STxcQMeDp75Je7nYZC170/zQQhcntQIgMhFWHM20 gsMH0tWK0SOO0r8SjkuOJ6xrb6ddEzDJPV0AdQAHt1wb5X1o//Gwxh0jFce65ld8 V5S3au68YToaadOiHAAAAW9cems1AAAEAwBGMEQCIAF8mZVeseYxV+vqnnzzpGrH SCxvkAQ85UUtUmNSvBZ4AiA8gLVeENIeoXSvxg3xNY+rEFTqc28xiWmBmMNEkIFS VjANBgkqhkiG9w0BAQsFAAOCAQEAbKi0GB+9Npm/M8Ll5bA7TGPKFMp4lXExcTC7 Lj5UT8WWjV6wnks2mRaKvKsfJZUjtaZCjIQZKxl6D84GbxZrRQ2paLtuPi9lYRqq lUWUwh4Izzwfaj/tRd70w7fGu7AOiPFwYGR/OvhkfZzBYj9KHUNPixrxRSK0rjJr 1wzuCiQ1d/K2fmdrptkY+po1EAWZxu8nFNoWI6yL3gFnCjvWkUp2Ai0vPlrsgzKJ B7ss+TlJ8eoAOLAyULejkiHEfPruv02FsfSP0B1vrCON5VU1EuSLZOVow7n4ZuQb 6k+0/XJ+VqSj/2nSELOfToB5bTy+OIMus0KIqCu5u6hzmDEetw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzg057dlPY1/pUJveQsQL qCwIbAtCuDlX48oN3mcp0mhI2b06aJWGaA2NydrWyBcDXRJ48aw8oFFViIPBhXNF N64/VtHQzAOBz886nvIKPRJcJMWOrQrTfyU/IL5+sXZFJSmL20S29rLga67p/xoE oBTZWzNK0cUFGtUrun2NJECg91dTisgGx7dISnW2aUQ6Eg5lvx1R9YUHx8SdAQAS ChX8dP2ZWR7K2NmKow2If7oI8FmVYbqMVI+0P2QV4I2OyTo05h4WAOf90YBeA8Vf +CzS58nKFAscIOnwFZXeTd9CAW6FOMkSOjAoKxpEFfXV/Gt9eVmB2xu/pXa2aj5J GtgLVCBvHicp2UG7ILsECityw3vhIf/WkcOU8Es/AtI9x79fMPlhWXuojDcKPmwG xaHQJX0RTolUpnq1XNwz7NoqjTMWJxYkr1Vim2xrKaDFJZ/57kHVAzyuX/PQ8blw pNyKbi0LWlls7CzTaAzNQnQajc1ZHh85W/8PGbLh/iuGtZVCZfyeLNFhGzO/pB3h gLNpp5Z0PoNv2vUIzUWVVX6O711GGOW44TtzqOAZgoZ0sgYeCmVbStQA/sX76y5U IlF7IzhOrrmHgzccJ9r01aYqLYb/2MEY1SrGR90mDITjPjzXRdh429MihSCd5HeB AsiMpfkEt6h44zKF6YAaG60CAwEAAQ== -----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 376367068196056338408990033288543760830303 . . . . . . . . [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 14:02:04 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-30 14:02:04 +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.dtuco.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 840617453548582321057594133999796023228854151412556527960127220242989838288124067942924926286118437636502694362857918655331929699322258120458627531998647560586634670013221993338129669320405069253948774997881973087455244405164041110096618149662985125387306637273383194956383991924183228205091058563070498725410714746624110102782217172998441026675307752799553338573679061747115308778779441638648349887683774347303612960414810206132642236566833651778240546264493645764563924315752239811450714977763019049944777262480303551978719279159399735604085254856144102252482372281206539391803948726878787302460001491639443800044689661999726473006870099359407693786488866342093985782320382050704285688475171613007008682904197574106319380245912230794652964827335914671684961966434292005966968119977377419098515391573757100721017007902689923038656288835224659003298471731188252134740429142987316621807137813358793520168036032529103314769523680543564175591976898972158805889092131580248578483634733180263201809162215242737459743442341293248183237999684980316814900671880821177059005986902121780922826984089206534455381209156123469269616508560547809504530291098905480468799962852084809534310953626365961479337516345912537557831598930044480307869653933 . . . . . . . . . . . . . . . . . . . . [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) 5dd5f57b6e3f33ffe8d996d32367ab13b35ba78b . . . . . . . . . . . . . . . . [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.dtuco.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) 00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f5c7a6b310000040300473045022100d6ca800963b022a0b9b7493c5c40c783a7be497bb9d8642d7bd3fcd0421727b502203211561ccdb482c307d2d58ad1238ed2bf128e4b8e27ac6b6fa75d1330c93d5d00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f5c7a6b3500000403004630440220017c99955eb1e63157ebea9e7cf3a46ac7482c6f90043ce5452d526352bc167802203c80b55e10d21ea174afc60df1358fab1054ea736f3189698198c34490815256 . . . . [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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