www.dtuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:f6:06:46:e3:dc:b6:f8:9b:bd:1d:b0:e5:40:fc:7d:3f:f0 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.dtuco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:f6:06:46:e3:dc:b6:f8:9b:bd:1d:b0:e5:40:fc:7d:3f:f0Serial Number (int): 345054663508180211487946740586683033272304
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 97:71:46:a5:86:20:46:14:b4:80:49:3f:3e:f8:39:83:3f:f0:88:fb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 61:66:ab:ca:c2:42:6f:f7:1f:19:f3:2a:78:0d:d9:55:61:2f:4c:70
Fingerprint (sha256): b6:8b:bf:3b:fc:27:3e:f7:8f:ef:16:19:16:9e:be:53:bb:65:57:be:2b:43:f4:9d:81:92:68:d8:92:60:8a:a6
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----- MIIGUTCCBTmgAwIBAgISA/YGRuPctvibvR2w5UD8fT/wMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMxMDIxMjNaFw0y MDAxMTExMDIxMjNaMBgxFjAUBgNVBAMTDXd3dy5kdHVjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDK3M2c11LZNrTdJVNWq7NLugnc3YZt7kMQ HsEsnFcmLN5yV3Ge3risxS5MC4fPwj7vT8OQa3Mf/SmUnBt6ZDz3epEXHoyTk7ka XF6wl5Pq442jT+H8piheeerLmCsz3BX3qtkF7WWHiKEJr02USYK+Pn8c7M8Ivs4h LknWlLvL2yh2darNtLtl5Lg+7L1hdYs35gKE2jEIWHgOeNFiUsyfjOKp+AdOk7qh j5Yz/4q9+ZoeFIoWWriERKXp4AbXrFPdF5DmgpWTqCQb9bBfvT/v28MRsfVA0d7V pK2w6m+qIZL7SWtMjchmqPBuEwJYF2CZ5VxsImN5LQ9a9edvNI2vLWvjhA7xxnl1 8s4ztjQ7okuLugOCb7TngytJ5entpZ+8DVegsSfca0PaSrt0pZ9RuEZtWgjzd69l a7gxP/13fpeAb8XizrnamH6qk/8zwTVcU8V5T4NVkebkDC5aJj7Krpt7myLUweXv r7V77InItat4cXwsBPQsOksxgwgDjpPbldKjNAiqYvY33LLFWvSMbB8YZHI1h4s0 gTi5iFXVsuirb70ce5BzJDEVzD4+AeMmENdUSaBjhDQdAGhdufTv2biGKt3k7lew oDXvBPhxhdICv2MKDTeeMaFNBCTpZtTWQqWH/a9QEgeK5z8aNXZaefraTrMCpsdh Jmb01PWq8wIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSXcUal hiBGFLSAST8++DmDP/CI+zAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5kdHVjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW3E2fz+AAAE AwBHMEUCIQCFgVIQ9TPKSAZEq+BckwrSrdmpWM49Uo6immVUPRzRRwIgK8kRTZ8V V7jOPOfbef/zybAbIkI65YOiDjHuK27Z4MIAdQCyHgXMi6LNiiBOh2b5K7mKJSBn a9r6cOeySVMt74uQXgAAAW3E2fz5AAAEAwBGMEQCIAvQHXyR8gur5SB/6xxc8WIh ILePEuWJhHYigTZr4XtxAiB/ykrR2fY8F0gaEZZxtKxS35KQYzHwNmRHViAy5otG mDANBgkqhkiG9w0BAQsFAAOCAQEAjJWEsluBunXgIXUtGPhw7MlO8+Pd0iuiEgzA F1G/UWgUpJ3IBnzu9BfbFXxyf9iGGcr5Ki6LA1h4jvcL+Kc0NeKK9881VE3Ca8JE g+dLEy9VwwT0EM6+wKKNMti2YqG0C8RVg0FHQbdk4K4qv30GjI2mJT/Xup0Eep/H FbeMDwWC7exNwxG2+P7cPP+4Rh4S3GWUVdNHy6Y9a6mbcKNUm2sXf6vVxbKX+SKy /HxuQIqqqZM3teZd5sSlfKV2rrhpFL1zvIO5aiOH+9ZCm17pp3HPNWZQpZI4JKJg BUUlgyj0c2xv3XexDsS5vXalFkIYKK75UL7IxjRET5nhy8zJiw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAytzNnNdS2Ta03SVTVquz S7oJ3N2Gbe5DEB7BLJxXJizecldxnt64rMUuTAuHz8I+70/DkGtzH/0plJwbemQ8 93qRFx6Mk5O5GlxesJeT6uONo0/h/KYoXnnqy5grM9wV96rZBe1lh4ihCa9NlEmC vj5/HOzPCL7OIS5J1pS7y9sodnWqzbS7ZeS4Puy9YXWLN+YChNoxCFh4DnjRYlLM n4ziqfgHTpO6oY+WM/+KvfmaHhSKFlq4hESl6eAG16xT3ReQ5oKVk6gkG/WwX70/ 79vDEbH1QNHe1aStsOpvqiGS+0lrTI3IZqjwbhMCWBdgmeVcbCJjeS0PWvXnbzSN ry1r44QO8cZ5dfLOM7Y0O6JLi7oDgm+054MrSeXp7aWfvA1XoLEn3GtD2kq7dKWf UbhGbVoI83evZWu4MT/9d36XgG/F4s652ph+qpP/M8E1XFPFeU+DVZHm5AwuWiY+ yq6be5si1MHl76+1e+yJyLWreHF8LAT0LDpLMYMIA46T25XSozQIqmL2N9yyxVr0 jGwfGGRyNYeLNIE4uYhV1bLoq2+9HHuQcyQxFcw+PgHjJhDXVEmgY4Q0HQBoXbn0 79m4hird5O5XsKA17wT4cYXSAr9jCg03njGhTQQk6WbU1kKlh/2vUBIHiuc/GjV2 Wnn62k6zAqbHYSZm9NT1qvMCAwEAAQ== -----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 345054663508180211487946740586683033272304 . . . . . . . . [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 10:21:23 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 10:21:23 +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 827606845337202027109075864911787683373920897322570654156306980029810121909025055827228389304186970778697770028550921178080661607697269572748206514483163239256278292828089424109776512325607368798722608568024859566557065391288364732625961779018154852227694060510109488985849463771178877039432567944795748063776721438599164449032253866020687603166387199099915171160623010901526625947336914184658102896553212993512863884292474920069613168470581054819969238820868324100094813608138965579620077734924421905025981229123488328844264202471245402861644507683980908087866911637865334495884668774646352512270653855964041012169329438102240045196329949878406040646747612028504469846726220963409999242514005630720335929091114783138928626207599956641500750007041259113892666598542131188336315103995999576460483411219665359699707952257548636403426390543928452899758430534458691349543270964821461650355780584380536922522372309921835884695388388202088804263835257523964403409344900161255819380938179690054274077639759273554418640949857885496673966520584204482156855934078430499741167990346437458627427337293877493724863392603710735552405779381278266479243239861075171011761124525290627705727827973308772564887145718316240465248340322660714160399428339 . . . . . . . . . . . . . . . . . . . . [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) 977146a586204614b480493f3ef839833ff088fb . . . . . . . . . . . . . . . . [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) 00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc4d9fcfe000004030047304502210085815210f533ca480644abe05c930ad2add9a958ce3d528ea29a65543d1cd14702202bc9114d9f1557b8ce3ce7db79fff3c9b01b22423ae583a20e31ee2b6ed9e0c2007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc4d9fcf9000004030046304402200bd01d7c91f20babe5207feb1c5cf1622120b78f12e58984762281366be17b7102207fca4ad1d9f63c17481a119671b4ac52df92906331f0366447562032e68b4698 . . . . [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) 008c9584b25b81ba75e021752d18f870ecc94ef3e3ddd22ba2120cc01751bf516814a49dc8067ceef417db157c727fd88619caf92a2e8b0358788ef70bf8a73435e28af7cf35544dc26bc24483e74b132f55c304f410cebec0a28d32d8b662a1b40bc45583414741b764e0ae2abf7d068c8da6253fd7ba9d047a9fc715b78c0f0582edec4dc311b6f8fedc3cffb8461e12dc659455d347cba63d6ba99b70a3549b6b177fabd5c5b297f922b2fc7c6e408aaaa99337b5e65de6c4a57ca576aeb86914bd73bc83b96a2387fbd6429b5ee9a771cf356650a5923824a2600545258328f4736c6fdd77b10ec4b9bd76a516421828aef950bec8c634444f99e1cbccc98b