Domain get.duocards.com
United States
CLOUDFLARENET
Software information

Heroku

tcp/443 tcp/80

cloudflare cloudflare

tcp/443 tcp/80 tcp/8443

  • GraphQL introspection is enabled.
    First seen 2025-11-01 06:48
    Last seen 2026-01-02 23:18
    Open for 62 days

    • Severity: medium
      Fingerprint: c2db3a1c40d490db1a0bbaa3604b202c00d8793009843ffcebc244e91a4677bd

      GraphQL introspection enabled at /graphql
Types: 107 (by kind: ENUM: 15, INPUT_OBJECT: 7, INTERFACE: 1, OBJECT: 78, SCALAR: 6)
Operations:
- Query: Query | fields: public, translate, translateBulk, userByName, viewer
- Mutation: Mutation | fields: login, loginAs, loginGuest, oauth, register
Directives: deprecated, include, skip, specifiedBy (total: 4)
      Found on 2026-01-02 23:18
      170.8 kBytes

    • Severity: medium
      Fingerprint: c2db3a1c40d490db1a0bbaa353df1b225d341c72a9f6110ebfa9c6876c7f05bb

      GraphQL introspection enabled at /graphql
Types: 106 (by kind: ENUM: 15, INPUT_OBJECT: 7, INTERFACE: 1, OBJECT: 77, SCALAR: 6)
Operations:
- Query: Query | fields: public, translate, translateBulk, userByName, viewer
- Mutation: Mutation | fields: login, loginAs, loginGuest, oauth, register
Directives: deprecated, include, skip, specifiedBy (total: 4)
      Found on 2025-12-13 03:31
      166.3 kBytes
    Create report
  • GraphQL introspection is enabled.
    First seen 2025-11-01 06:48
    Last seen 2026-01-02 14:37
    Open for 62 days

    • Severity: medium
      Fingerprint: c2db3a1c40d490db1a0bbaa3604b202c00d8793009843ffcebc244e91a4677bd

      GraphQL introspection enabled at /graphql
Types: 107 (by kind: ENUM: 15, INPUT_OBJECT: 7, INTERFACE: 1, OBJECT: 78, SCALAR: 6)
Operations:
- Query: Query | fields: public, translate, translateBulk, userByName, viewer
- Mutation: Mutation | fields: login, loginAs, loginGuest, oauth, register
Directives: deprecated, include, skip, specifiedBy (total: 4)
      Found on 2026-01-02 14:37
      170.8 kBytes

    • Severity: medium
      Fingerprint: c2db3a1c40d490db1a0bbaa353df1b225d341c72a9f6110ebfa9c6876c7f05bb

      GraphQL introspection enabled at /graphql
Types: 106 (by kind: ENUM: 15, INPUT_OBJECT: 7, INTERFACE: 1, OBJECT: 77, SCALAR: 6)
Operations:
- Query: Query | fields: public, translate, translateBulk, userByName, viewer
- Mutation: Mutation | fields: login, loginAs, loginGuest, oauth, register
Directives: deprecated, include, skip, specifiedBy (total: 4)
      Found on 2025-12-16 09:56
      166.3 kBytes
    Create report

  • Open service 76.223.11.49:80 · get.duocards.com

    2026-01-10 02:26 

    HTTP/1.1 404 Not Found
Access-Control-Allow-Origin: *
Content-Length: 139
Content-Security-Policy: default-src 'none'
Content-Type: text/html; charset=utf-8
Date: Sat, 10 Jan 2026 02:28:01 GMT
Nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=zVnzXJXqpsjhnLbgh0sbZgx6BwlxbJ5tmkmPMgvkWnY%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1768012081"}],"max_age":3600}
Reporting-Endpoints: heroku-nel="https://nel.heroku.com/reports?s=zVnzXJXqpsjhnLbgh0sbZgx6BwlxbJ5tmkmPMgvkWnY%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1768012081"
Server: Heroku
Via: 1.1 heroku-router
X-Content-Type-Options: nosniff
X-Powered-By: Express
Connection: close

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-10 by HttpPlugin
    Create report

  • Open service 99.83.217.1:443 · get.duocards.com

    2026-01-08 21:53 

    HTTP/1.1 404 Not Found
Access-Control-Allow-Origin: *
Content-Length: 139
Content-Security-Policy: default-src 'none'
Content-Type: text/html; charset=utf-8
Date: Thu, 08 Jan 2026 21:53:25 GMT
Nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=dC4D0MR0ledwygCZkOiu2Ahdb08JbpBvoXgONMkTx4w%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1767909205"}],"max_age":3600}
Reporting-Endpoints: heroku-nel="https://nel.heroku.com/reports?s=dC4D0MR0ledwygCZkOiu2Ahdb08JbpBvoXgONMkTx4w%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1767909205"
Server: Heroku
Via: 1.1 heroku-router
X-Content-Type-Options: nosniff
X-Powered-By: Express
Connection: close

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-08 by HttpPlugin
    Create report

  • Open service 76.223.11.49:80 · get.duocards.com

    2026-01-02 23:18 

    HTTP/1.1 404 Not Found
Access-Control-Allow-Origin: *
Content-Length: 139
Content-Security-Policy: default-src 'none'
Content-Type: text/html; charset=utf-8
Date: Fri, 02 Jan 2026 23:18:20 GMT
Nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=EsItKCsNNUj8xLIhDJoXKQNcXF%2F%2Belv5WY%2FDxB7GeEI%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1767395900"}],"max_age":3600}
Reporting-Endpoints: heroku-nel="https://nel.heroku.com/reports?s=EsItKCsNNUj8xLIhDJoXKQNcXF%2F%2Belv5WY%2FDxB7GeEI%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1767395900"
Server: Heroku
Via: 1.1 heroku-router
X-Content-Type-Options: nosniff
X-Powered-By: Express
Connection: close

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-02 by HttpPlugin
    Create report

  • Open service 99.83.217.1:443 · get.duocards.com

    2026-01-02 14:37 

    HTTP/1.1 404 Not Found
Access-Control-Allow-Origin: *
Content-Length: 139
Content-Security-Policy: default-src 'none'
Content-Type: text/html; charset=utf-8
Date: Fri, 02 Jan 2026 14:37:13 GMT
Nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=fowxdwodZVztp%2FzUfR4ecyJJzWhu3oiWIAStihR3a%2FQ%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1767364633"}],"max_age":3600}
Reporting-Endpoints: heroku-nel="https://nel.heroku.com/reports?s=fowxdwodZVztp%2FzUfR4ecyJJzWhu3oiWIAStihR3a%2FQ%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1767364633"
Server: Heroku
Via: 1.1 heroku-router
X-Content-Type-Options: nosniff
X-Powered-By: Express
Connection: close

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-02 by HttpPlugin
    Create report

  • Open service 2a06:98c1:3121::3:8443 · get.duocards.com

    2026-01-01 00:22 

    HTTP/1.1 404 Not Found
Date: Thu, 01 Jan 2026 00:22:09 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
CF-Ray: 9b6ddc534932aac8-YYZ
CF-Cache-Status: DYNAMIC
Access-Control-Allow-Origin: *
Server: cloudflare
Strict-Transport-Security: max-age=15552000; includeSubDomains; preload
Via: 2.0 heroku-router
cf-apo-via: origin,host
content-security-policy: default-src 'none'
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1767226929"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1767226929"
x-content-type-options: nosniff
x-powered-by: Express
Speculation-Rules: "/cdn-cgi/speculation"
Vary: accept-encoding
alt-svc: h3=":8443"; ma=86400

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-01 by HttpPlugin
    Create report

  • Open service 188.114.97.3:443 · get.duocards.com

    2026-01-01 00:22 

    HTTP/1.1 404 Not Found
Date: Thu, 01 Jan 2026 00:22:09 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
CF-Ray: 9b6ddc535bacb8f3-YYZ
CF-Cache-Status: DYNAMIC
Access-Control-Allow-Origin: *
Server: cloudflare
Strict-Transport-Security: max-age=15552000; includeSubDomains; preload
Via: 2.0 heroku-router
cf-apo-via: origin,host
content-security-policy: default-src 'none'
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1767226929"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1767226929"
x-content-type-options: nosniff
x-powered-by: Express
Speculation-Rules: "/cdn-cgi/speculation"
Vary: accept-encoding
alt-svc: h3=":443"; ma=86400

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-01 by HttpPlugin
    Create report

  • Open service 2a06:98c1:3120::3:80 · get.duocards.com

    2026-01-01 00:22 

    HTTP/1.1 301 Moved Permanently
Date: Thu, 01 Jan 2026 00:22:08 GMT
Content-Length: 0
Connection: close
Location: https://get.duocards.com/
X-Content-Type-Options: nosniff
Speculation-Rules: "/cdn-cgi/speculation"
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=8y9uEPD3oq%2B1QO5FR3WsZ%2BycZdcVIHrij1fZ0F7Ok2vBLTssIWlCSjVebpe541BVrwzkbUBcDvaNmVCkmQPyjDLOZ7lVqoyUtfYfX5%2F2%2Fjh7403uwfhUmWOa9CY%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9b6ddc518b0ad9db-FRA
alt-svc: h3=":443"; ma=86400
    Found 2026-01-01 by HttpPlugin
    Create report

  • Open service 188.114.97.3:80 · get.duocards.com

    2026-01-01 00:22 

    HTTP/1.1 301 Moved Permanently
Date: Thu, 01 Jan 2026 00:22:08 GMT
Content-Length: 0
Connection: close
Location: https://get.duocards.com/
X-Content-Type-Options: nosniff
Speculation-Rules: "/cdn-cgi/speculation"
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=prbWhVLtld9NMRpFD%2FnNk3YMSzaHuIYYu88dd5OlgBDF5hXCTXsfK%2FprK3RrFPJL5PQya2csKyyQdKYzwOg9aHIsB3a4itYW9ZGiVbitPK0%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9b6ddc518c73abc7-YYZ
alt-svc: h3=":443"; ma=86400
    Found 2026-01-01 by HttpPlugin
    Create report

  • Open service 2a06:98c1:3120::3:8443 · get.duocards.com

    2026-01-01 00:22 

    HTTP/1.1 404 Not Found
Date: Thu, 01 Jan 2026 00:22:09 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
CF-Ray: 9b6ddc549960ff6e-BOM
CF-Cache-Status: DYNAMIC
Access-Control-Allow-Origin: *
Server: cloudflare
Strict-Transport-Security: max-age=15552000; includeSubDomains; preload
Via: 2.0 heroku-router
cf-apo-via: origin,host
content-security-policy: default-src 'none'
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1767226929"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1767226929"
x-content-type-options: nosniff
x-powered-by: Express
Speculation-Rules: "/cdn-cgi/speculation"
Vary: accept-encoding
alt-svc: h3=":8443"; ma=86400

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-01 by HttpPlugin
    Create report

  • Open service 2a06:98c1:3121::3:443 · get.duocards.com

    2026-01-01 00:22 

    HTTP/1.1 404 Not Found
Date: Thu, 01 Jan 2026 00:22:09 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
CF-Ray: 9b6ddc52d904c698-EWR
CF-Cache-Status: DYNAMIC
Access-Control-Allow-Origin: *
Server: cloudflare
Strict-Transport-Security: max-age=15552000; includeSubDomains; preload
Via: 2.0 heroku-router
cf-apo-via: origin,host
content-security-policy: default-src 'none'
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1767226929"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1767226929"
x-content-type-options: nosniff
x-powered-by: Express
Speculation-Rules: "/cdn-cgi/speculation"
Vary: accept-encoding
alt-svc: h3=":443"; ma=86400

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-01 by HttpPlugin
    Create report

  • Open service 2a06:98c1:3121::3:80 · get.duocards.com

    2026-01-01 00:22 

    HTTP/1.1 301 Moved Permanently
Date: Thu, 01 Jan 2026 00:22:08 GMT
Content-Length: 0
Connection: close
Location: https://get.duocards.com/
X-Content-Type-Options: nosniff
Speculation-Rules: "/cdn-cgi/speculation"
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=B8C7NQkHZuFE0oZXkFjZCs6%2Fm3DJFvdG6nfv1AbIRa5YU0B4V%2FEM8avysd%2Fu1pgy09laA%2Fqh05G9ToVtsz6kJ9uqaxkvvT1MOLTek%2F27kraDxh%2FI5WNWZVRMap0%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server: cloudflare
CF-RAY: 9b6ddc516ab71c30-FRA
alt-svc: h3=":443"; ma=86400
    Found 2026-01-01 by HttpPlugin
    Create report

  • Open service 188.114.97.3:8443 · get.duocards.com

    2026-01-01 00:22 

    HTTP/1.1 404 Not Found
Date: Thu, 01 Jan 2026 00:22:09 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
CF-Ray: 9b6ddc51c8815c4b-AMS
CF-Cache-Status: DYNAMIC
Access-Control-Allow-Origin: *
Server: cloudflare
Strict-Transport-Security: max-age=15552000; includeSubDomains; preload
Via: 2.0 heroku-router
cf-apo-via: origin,host
content-security-policy: default-src 'none'
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1767226929"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=lxlbW84pnMUIkI1MJAhGegPWsY0qzdwZjZYnOx4hGWc%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1767226929"
x-content-type-options: nosniff
x-powered-by: Express
Speculation-Rules: "/cdn-cgi/speculation"
Vary: accept-encoding
alt-svc: h3=":8443"; ma=86400

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-01 by HttpPlugin
    Create report

  • Open service 2a06:98c1:3120::3:443 · get.duocards.com

    2026-01-01 00:22 

    HTTP/1.1 404 Not Found
Date: Thu, 01 Jan 2026 00:22:08 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
CF-Ray: 9b6ddc516af05592-LHR
CF-Cache-Status: DYNAMIC
Access-Control-Allow-Origin: *
Server: cloudflare
Strict-Transport-Security: max-age=15552000; includeSubDomains; preload
Via: 2.0 heroku-router
cf-apo-via: origin,host
content-security-policy: default-src 'none'
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=6u2%2Fng6f48ggJwaWvEYhaDSakyCnG7kfTZ%2Frq%2BXa8C0%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1767226928"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=6u2%2Fng6f48ggJwaWvEYhaDSakyCnG7kfTZ%2Frq%2BXa8C0%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1767226928"
x-content-type-options: nosniff
x-powered-by: Express
Speculation-Rules: "/cdn-cgi/speculation"
Vary: accept-encoding
alt-svc: h3=":443"; ma=86400

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2026-01-01 by HttpPlugin
    Create report

  • Open service 99.83.217.1:443 · get.duocards.com

    2025-12-23 02:10 

    HTTP/1.1 404 Not Found
Access-Control-Allow-Origin: *
Content-Length: 139
Content-Security-Policy: default-src 'none'
Content-Type: text/html; charset=utf-8
Date: Tue, 23 Dec 2025 02:10:29 GMT
Nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=UxkVVIXkgRdLeC%2BGbaVQjCNKxRMn85py5GhrNaVdiIk%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1766455829"}],"max_age":3600}
Reporting-Endpoints: heroku-nel="https://nel.heroku.com/reports?s=UxkVVIXkgRdLeC%2BGbaVQjCNKxRMn85py5GhrNaVdiIk%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1766455829"
Server: Heroku
Via: 1.1 heroku-router
X-Content-Type-Options: nosniff
X-Powered-By: Express
Connection: close

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2025-12-23 by HttpPlugin
    Create report

  • Open service 76.223.11.49:80 · get.duocards.com

    2025-12-22 23:52 

    HTTP/1.1 404 Not Found
Access-Control-Allow-Origin: *
Content-Length: 139
Content-Security-Policy: default-src 'none'
Content-Type: text/html; charset=utf-8
Date: Mon, 22 Dec 2025 23:52:52 GMT
Nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=PI8ILMv4toTjoyDA75yRw3zEscX829vdkOB3QihUJ1k%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1766447572"}],"max_age":3600}
Reporting-Endpoints: heroku-nel="https://nel.heroku.com/reports?s=PI8ILMv4toTjoyDA75yRw3zEscX829vdkOB3QihUJ1k%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1766447572"
Server: Heroku
Via: 1.1 heroku-router
X-Content-Type-Options: nosniff
X-Powered-By: Express
Connection: close

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2025-12-22 by HttpPlugin
    Create report

  • Open service 76.223.11.49:80 · get.duocards.com

    2025-12-21 07:22 

    HTTP/1.1 404 Not Found
Access-Control-Allow-Origin: *
Content-Length: 139
Content-Security-Policy: default-src 'none'
Content-Type: text/html; charset=utf-8
Date: Sun, 21 Dec 2025 07:22:50 GMT
Nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=5KjOxP9oCe9FejMS%2FjSs5sMpUdUF%2BX%2F0PB7FhHnzzHQ%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1766301770"}],"max_age":3600}
Reporting-Endpoints: heroku-nel="https://nel.heroku.com/reports?s=5KjOxP9oCe9FejMS%2FjSs5sMpUdUF%2BX%2F0PB7FhHnzzHQ%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1766301770"
Server: Heroku
Via: 1.1 heroku-router
X-Content-Type-Options: nosniff
X-Powered-By: Express
Connection: close

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2025-12-21 by HttpPlugin
    Create report

  • Open service 99.83.217.1:443 · get.duocards.com

    2025-12-20 21:46 

    HTTP/1.1 404 Not Found
Access-Control-Allow-Origin: *
Content-Length: 139
Content-Security-Policy: default-src 'none'
Content-Type: text/html; charset=utf-8
Date: Sat, 20 Dec 2025 21:46:50 GMT
Nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=a8zBpsHtxB8MWMyAUwCIZi%2Fy2%2Fp71VYKZIRV3ciZ76I%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1766267210"}],"max_age":3600}
Reporting-Endpoints: heroku-nel="https://nel.heroku.com/reports?s=a8zBpsHtxB8MWMyAUwCIZi%2Fy2%2Fp71VYKZIRV3ciZ76I%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1766267210"
Server: Heroku
Via: 1.1 heroku-router
X-Content-Type-Options: nosniff
X-Powered-By: Express
Connection: close

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2025-12-20 by HttpPlugin
    Create report

  • Open service 76.223.11.49:80 · get.duocards.com

    2025-12-19 10:14 

    HTTP/1.1 404 Not Found
Access-Control-Allow-Origin: *
Content-Length: 139
Content-Security-Policy: default-src 'none'
Content-Type: text/html; charset=utf-8
Date: Fri, 19 Dec 2025 10:14:16 GMT
Nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=K9JwEQAXWkGCrelfW0c1u2gYroJsH%2FVoYoZKggxBGSs%3D\u0026sid=c4c9725f-1ab0-44d8-820f-430df2718e11\u0026ts=1766139256"}],"max_age":3600}
Reporting-Endpoints: heroku-nel="https://nel.heroku.com/reports?s=K9JwEQAXWkGCrelfW0c1u2gYroJsH%2FVoYoZKggxBGSs%3D&sid=c4c9725f-1ab0-44d8-820f-430df2718e11&ts=1766139256"
Server: Heroku
Via: 1.1 heroku-router
X-Content-Type-Options: nosniff
X-Powered-By: Express
Connection: close

Page title: Error

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /</pre>
</body>
</html>
    Found 2025-12-19 by HttpPlugin
    Create report
get.duocards.com
Fingerprint:
f1b9ee7ecebe0ad994410e7da45dbd0a17d4d321f2b9472c3652162996d934ab
CN:
get.duocards.com
Key:
RSA-2048
Issuer:
R13
Not before:
2025-12-31 23:23
Not after:
2026-03-31 23:23
duocards.com*.duocards.com
Fingerprint:
c66f203a7fc89001c0eab4fb29dad23b745d5b9659ebd5cf580450a6f7f10d8b
CN:
duocards.com
Key:
ECDSA-256
Issuer:
WE1
Not before:
2025-12-22 14:16
Not after:
2026-03-22 15:14
get.duocards.com
Fingerprint:
f30c90a55072bb540f159cd8475a8dddaea73c490e152ec2e985e6d895c6ba6b
CN:
get.duocards.com
Key:
RSA-2048
Issuer:
R12
Not before:
2025-11-01 05:49
Not after:
2026-01-30 05:49
Domain summary

get.duocards.com 21

1 recorded
IP summary

76.223.11.49 1 99.83.217.1 1 2a06:98c1:3121::3 1 188.114.97.3 1 2a06:98c1:3120::3 1

5 recorded

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