cloudflare
tcp/443 tcp/80 tcp/8443
Exposing Swagger/OpenAPI documentation is primarily a risk if your API has underlying security flaws, as it gives attackers a precise roadmap to find them.
Those detail every endpoint, parameter, and data model, making it easier to discover and exploit vulnerabilities like broken access control or injection points.
While a perfectly secure API mitigates the danger, protecting your documentation is a critical layer of defense that forces attackers to work without a map.
Severity: info
Fingerprint: 5733ddf49ff49cd12ec8532c2ec8532c2ec8532c2ec8532c2ec8532c2ec8532c
Public Swagger UI/API detected at path: /swagger/index.html
Open service 188.114.96.12:443 · ojhunt.com
2026-01-09 21:59
HTTP/1.1 200 OK
Date: Fri, 09 Jan 2026 21:59:51 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Server-Timing: cfCacheStatus;desc="DYNAMIC"
Server-Timing: cfEdge;dur=10,cfOrigin;dur=341
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=%2BJLT3PZ9AOM1JaTtcjYZTD5UKpy7rbyuFAhSSpGUz%2FlAriiRMRA4%2FfsN4PUjZSdAOxGX9VM7WnwTfAStRdoaaXkUXu0JiFw8sLQ%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: Accept-Encoding
Server: cloudflare
cf-cache-status: DYNAMIC
CF-RAY: 9bb73441b85d5e70-EWR
alt-svc: h3=":443"; ma=86400
Page title: OJ Analyzer
<!doctype html>
<html data-n-head-ssr>
<head>
<meta data-n-head="ssr" charset="utf-8"><meta data-n-head="ssr" name="viewport" content="width=device-width, initial-scale=1"><meta data-n-head="ssr" data-hid="description" name="description" content="An online tool (crawler) to analyze users performance in online judges (coding competition websites). Supported OJ: POJ, HDU, ZOJ, HYSBZ, CodeForces, UVA, ICPC Live Archive, FZU, SPOJ, Timus (URAL), LeetCode_CN, CSU, LibreOJ, 洛谷, 牛客OJ, Lutece (UESTC), AtCoder, AIZU, CodeChef, El Judge, BNUOJ, Codewars, UOJ, NBUT, 51Nod, DMOJ, SDUT OJ, VJudge"><title>OJ Analyzer</title><link data-n-head="ssr" rel="icon" type="image/x-icon" href="/favicon.ico"><link data-n-head="ssr" rel="stylesheet" href="https://fonts.googleapis.com/css?family=Noto+Serif+SC:300,400,500,700"><link data-n-head="ssr" rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900&display=swap"><link data-n-head="ssr" rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/@mdi/font@latest/css/materialdesignicons.min.css"><style data-n-head="vuetify" type="text/css" id="vuetify-theme-stylesheet" nonce="undefined">.v-application a { color: #1976d2; }.v-application .primary { background-color: #1976d2 !important; border-color: #1976d2 !important;}.v-application .primary--text { color: #1976d2 !important; caret-color: #1976d2 !important;}.v-application .primary.lighten-5 { background-color: #c7fdff !important; border-color: #c7fdff !important;}.v-application .primary--text.text--lighten-5 { color: #c7fdff !important; caret-color: #c7fdff !important;}.v-application .primary.lighten-4 { background-color: #a8e0ff !important; border-color: #a8e0ff !important;}.v-application .primary--text.text--lighten-4 { color: #a8e0ff !important; caret-color: #a8e0ff !important;}.v-application .primary.lighten-3 { background-color: #8ac5ff !important; border-color: #8ac5ff !important;}.v-application .primary--text.text--lighten-3 { color: #8ac5ff !important; caret-color: #8ac5ff !important;}.v-application .primary.lighten-2 { background-color: #6aaaff !important; border-color: #6aaaff !important;}.v-application .primary--text.text--lighten-2 { color: #6aaaff !important; caret-color: #6aaaff !important;}.v-application .primary.lighten-1 { background-color: #488fef !important; border-color: #488fef !important;}.v-application .primary--text.text--lighten-1 { color: #488fef !important; caret-color: #488fef !important;}.v-application .primary.darken-1 { background-color: #005eb6 !important; border-color: #005eb6 !important;}.v-application .primary--text.text--darken-1 { color: #005eb6 !important; caret-color: #005eb6 !important;}.v-application .primary.darken-2 { background-color: #00479b !important; border-color: #00479b !important;}.v-application .primary--text.text--darken-2 { color: #00479b !important; caret-color: #00479b !important;}.v-application .primary.darken-3 { background-color: #003180 !important; border-color: #003180 !important;}.v-application .primary--text.text--darken-3 { color: #003180 !important; caret-color: #003180 !important;}.v-application .primary.darken-4 { background-color: #001e67 !important; border-color: #001e67 !important;}.v-application .primary--text.text--darken-4 { color: #001e67 !important; caret-color: #001e67 !important;}.v-application .secondary { background-color: #bdbdbd !important; border-color: #bdbdbd !important;}.v-application .secondary--text { color: #bdbdbd !important; caret-color: #bdbdbd !important;}.v-application .secondary.lighten-5 { background-color: #ffffff !important; border-color: #ffffff !important;}.v-application .secondary--text.text--lighten-5 { color: #ffffff !important; caret-color: #ffffff !important;}.v-application .secondary.lighten-4 { background-color: #ffffff !important; border-color: #ffffff !important;}.v-application .secondary--text.text--lighten-4 { color: #ffffff !important; caret-color: #ffffff !important;}.v-application .secondary.lighten-3 { b
Open service 2a06:98c1:3121::3:443 · ojhunt.com
2026-01-03 08:13
HTTP/1.1 200 OK
Date: Sat, 03 Jan 2026 08:14:02 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Server-Timing: cfCacheStatus;desc="DYNAMIC"
Server-Timing: cfEdge;dur=10,cfOrigin;dur=2357
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=Sd%2Ft5qqQnaO0lfaW6vJ%2Bv59O%2FPcToLaHhf%2FvSjhQ5lsT5zzk%2FXft0v%2BKNyXwtUKb82D3pnEfUVXGUikK96M0YJIhPjaaJg4ol9eRpvLkW%2FEvE4eypOQ%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: Accept-Encoding
Server: cloudflare
cf-cache-status: DYNAMIC
CF-RAY: 9b810a441c991ed9-SIN
alt-svc: h3=":443"; ma=86400
Page title: OJ Analyzer
<!doctype html>
<html data-n-head-ssr>
<head>
<meta data-n-head="ssr" charset="utf-8"><meta data-n-head="ssr" name="viewport" content="width=device-width, initial-scale=1"><meta data-n-head="ssr" data-hid="description" name="description" content="An online tool (crawler) to analyze users performance in online judges (coding competition websites). Supported OJ: POJ, HDU, ZOJ, HYSBZ, CodeForces, UVA, ICPC Live Archive, FZU, SPOJ, Timus (URAL), LeetCode_CN, CSU, LibreOJ, 洛谷, 牛客OJ, Lutece (UESTC), AtCoder, AIZU, CodeChef, El Judge, BNUOJ, Codewars, UOJ, NBUT, 51Nod, DMOJ, SDUT OJ, VJudge"><title>OJ Analyzer</title><link data-n-head="ssr" rel="icon" type="image/x-icon" href="/favicon.ico"><link data-n-head="ssr" rel="stylesheet" href="https://fonts.googleapis.com/css?family=Noto+Serif+SC:300,400,500,700"><link data-n-head="ssr" rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900&display=swap"><link data-n-head="ssr" rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/@mdi/font@latest/css/materialdesignicons.min.css"><style data-n-head="vuetify" type="text/css" id="vuetify-theme-stylesheet" nonce="undefined">.v-application a { color: #1976d2; }.v-application .primary { background-color: #1976d2 !important; border-color: #1976d2 !important;}.v-application .primary--text { color: #1976d2 !important; caret-color: #1976d2 !important;}.v-application .primary.lighten-5 { background-color: #c7fdff !important; border-color: #c7fdff !important;}.v-application .primary--text.text--lighten-5 { color: #c7fdff !important; caret-color: #c7fdff !important;}.v-application .primary.lighten-4 { background-color: #a8e0ff !important; border-color: #a8e0ff !important;}.v-application .primary--text.text--lighten-4 { color: #a8e0ff !important; caret-color: #a8e0ff !important;}.v-application .primary.lighten-3 { background-color: #8ac5ff !important; border-color: #8ac5ff !important;}.v-application .primary--text.text--lighten-3 { color: #8ac5ff !important; caret-color: #8ac5ff !important;}.v-application .primary.lighten-2 { background-color: #6aaaff !important; border-color: #6aaaff !important;}.v-application .primary--text.text--lighten-2 { color: #6aaaff !important; caret-color: #6aaaff !important;}.v-application .primary.lighten-1 { background-color: #488fef !important; border-color: #488fef !important;}.v-application .primary--text.text--lighten-1 { color: #488fef !important; caret-color: #488fef !important;}.v-application .primary.darken-1 { background-color: #005eb6 !important; border-color: #005eb6 !important;}.v-application .primary--text.text--darken-1 { color: #005eb6 !important; caret-color: #005eb6 !important;}.v-application .primary.darken-2 { background-color: #00479b !important; border-color: #00479b !important;}.v-application .primary--text.text--darken-2 { color: #00479b !important; caret-color: #00479b !important;}.v-application .primary.darken-3 { background-color: #003180 !important; border-color: #003180 !important;}.v-application .primary--text.text--darken-3 { color: #003180 !important; caret-color: #003180 !important;}.v-application .primary.darken-4 { background-color: #001e67 !important; border-color: #001e67 !important;}.v-application .primary--text.text--darken-4 { color: #001e67 !important; caret-color: #001e67 !important;}.v-application .secondary { background-color: #bdbdbd !important; border-color: #bdbdbd !important;}.v-application .secondary--text { color: #bdbdbd !important; caret-color: #bdbdbd !important;}.v-application .secondary.lighten-5 { background-color: #ffffff !important; border-color: #ffffff !important;}.v-application .secondary--text.text--lighten-5 { color: #ffffff !important; caret-color: #ffffff !important;}.v-application .secondary.lighten-4 { background-color: #ffffff !important; border-color: #ffffff !important;}.v-application .secondary--text.text--lighten-4 { color: #ffffff !important; caret-color: #ffffff !important;}.v-application .secondary.lighten-3 { b
Open service 188.114.97.3:80 · ojhunt.com
2026-01-03 08:13
HTTP/1.1 301 Moved Permanently
Date: Sat, 03 Jan 2026 08:13:59 GMT
Content-Length: 0
Connection: close
Location: https://ojhunt.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=2EcYav9J3r5u%2Bjg4PUWZJ9EvF8memc%2Fz8or%2BzDN6Nq7NM6S8C2RBCNoqHXp0f7EY9gS%2Fk2%2BtIG5VJgAyXZdJ%2BO8F9AryBHrLEIU%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server-Timing: cfEdge;dur=11,cfOrigin;dur=0
Server: cloudflare
CF-RAY: 9b810a3bdcdc1749-SJC
alt-svc: h3=":443"; ma=86400
Open service 188.114.97.3:443 · ojhunt.com
2026-01-03 08:13
HTTP/1.1 200 OK
Date: Sat, 03 Jan 2026 08:14:01 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Server-Timing: cfCacheStatus;desc="DYNAMIC"
Server-Timing: cfEdge;dur=13,cfOrigin;dur=960
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=GkYde68U2ofGUKudlIcSTXR1GDVGtAfJawkwL0frRsBm48IWaym56Y77YhMsl6ngJZYHIYx8R7nq7gWRgWW3WC9FHv0I0yLrGXk%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: Accept-Encoding
Server: cloudflare
cf-cache-status: DYNAMIC
CF-RAY: 9b810a423d2d3a1f-BOM
alt-svc: h3=":443"; ma=86400
Page title: OJ Analyzer
<!doctype html>
<html data-n-head-ssr>
<head>
<meta data-n-head="ssr" charset="utf-8"><meta data-n-head="ssr" name="viewport" content="width=device-width, initial-scale=1"><meta data-n-head="ssr" data-hid="description" name="description" content="An online tool (crawler) to analyze users performance in online judges (coding competition websites). Supported OJ: POJ, HDU, ZOJ, HYSBZ, CodeForces, UVA, ICPC Live Archive, FZU, SPOJ, Timus (URAL), LeetCode_CN, CSU, LibreOJ, 洛谷, 牛客OJ, Lutece (UESTC), AtCoder, AIZU, CodeChef, El Judge, BNUOJ, Codewars, UOJ, NBUT, 51Nod, DMOJ, SDUT OJ, VJudge"><title>OJ Analyzer</title><link data-n-head="ssr" rel="icon" type="image/x-icon" href="/favicon.ico"><link data-n-head="ssr" rel="stylesheet" href="https://fonts.googleapis.com/css?family=Noto+Serif+SC:300,400,500,700"><link data-n-head="ssr" rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900&display=swap"><link data-n-head="ssr" rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/@mdi/font@latest/css/materialdesignicons.min.css"><style data-n-head="vuetify" type="text/css" id="vuetify-theme-stylesheet" nonce="undefined">.v-application a { color: #1976d2; }.v-application .primary { background-color: #1976d2 !important; border-color: #1976d2 !important;}.v-application .primary--text { color: #1976d2 !important; caret-color: #1976d2 !important;}.v-application .primary.lighten-5 { background-color: #c7fdff !important; border-color: #c7fdff !important;}.v-application .primary--text.text--lighten-5 { color: #c7fdff !important; caret-color: #c7fdff !important;}.v-application .primary.lighten-4 { background-color: #a8e0ff !important; border-color: #a8e0ff !important;}.v-application .primary--text.text--lighten-4 { color: #a8e0ff !important; caret-color: #a8e0ff !important;}.v-application .primary.lighten-3 { background-color: #8ac5ff !important; border-color: #8ac5ff !important;}.v-application .primary--text.text--lighten-3 { color: #8ac5ff !important; caret-color: #8ac5ff !important;}.v-application .primary.lighten-2 { background-color: #6aaaff !important; border-color: #6aaaff !important;}.v-application .primary--text.text--lighten-2 { color: #6aaaff !important; caret-color: #6aaaff !important;}.v-application .primary.lighten-1 { background-color: #488fef !important; border-color: #488fef !important;}.v-application .primary--text.text--lighten-1 { color: #488fef !important; caret-color: #488fef !important;}.v-application .primary.darken-1 { background-color: #005eb6 !important; border-color: #005eb6 !important;}.v-application .primary--text.text--darken-1 { color: #005eb6 !important; caret-color: #005eb6 !important;}.v-application .primary.darken-2 { background-color: #00479b !important; border-color: #00479b !important;}.v-application .primary--text.text--darken-2 { color: #00479b !important; caret-color: #00479b !important;}.v-application .primary.darken-3 { background-color: #003180 !important; border-color: #003180 !important;}.v-application .primary--text.text--darken-3 { color: #003180 !important; caret-color: #003180 !important;}.v-application .primary.darken-4 { background-color: #001e67 !important; border-color: #001e67 !important;}.v-application .primary--text.text--darken-4 { color: #001e67 !important; caret-color: #001e67 !important;}.v-application .secondary { background-color: #bdbdbd !important; border-color: #bdbdbd !important;}.v-application .secondary--text { color: #bdbdbd !important; caret-color: #bdbdbd !important;}.v-application .secondary.lighten-5 { background-color: #ffffff !important; border-color: #ffffff !important;}.v-application .secondary--text.text--lighten-5 { color: #ffffff !important; caret-color: #ffffff !important;}.v-application .secondary.lighten-4 { background-color: #ffffff !important; border-color: #ffffff !important;}.v-application .secondary--text.text--lighten-4 { color: #ffffff !important; caret-color: #ffffff !important;}.v-application .secondary.lighten-3 { b
Open service 2a06:98c1:3121::3:8443 · ojhunt.com
2026-01-03 08:13
HTTP/1.1 523 <none> Date: Sat, 03 Jan 2026 08:14:00 GMT Content-Type: text/plain; charset=UTF-8 Content-Length: 15 Connection: close Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server-Timing: cfEdge;dur=628,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: 9b810a3f5aab8369-SIN alt-svc: h3=":8443"; ma=86400 error code: 523
Open service 2a06:98c1:3120::3:8443 · ojhunt.com
2026-01-03 08:13
HTTP/1.1 523 <none> Date: Sat, 03 Jan 2026 08:13:59 GMT Content-Type: text/plain; charset=UTF-8 Content-Length: 15 Connection: close Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server-Timing: cfEdge;dur=67,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: 9b810a3c1e6fb394-EWR alt-svc: h3=":8443"; ma=86400 error code: 523
Open service 2a06:98c1:3120::3:80 · ojhunt.com
2026-01-03 08:13
HTTP/1.1 301 Moved Permanently
Date: Sat, 03 Jan 2026 08:13:58 GMT
Content-Length: 0
Connection: close
Location: https://ojhunt.com/
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=kW3jUf4qq6K126ObojH900gXiGQVORkdSshOqBohREap51NTtc3HP8lqYLEZxSb%2Bl%2Bt48M%2BB6sgm3kJqcTm2WU5p6vrhJivITB%2Bm4JFbApM7IyitiEI%3D"}]}
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Server-Timing: cfEdge;dur=9,cfOrigin;dur=0
Server: cloudflare
CF-RAY: 9b810a3b48ff405d-SJC
alt-svc: h3=":443"; ma=86400
Open service 188.114.97.3:8443 · ojhunt.com
2026-01-03 08:13
HTTP/1.1 523 <none> Date: Sat, 03 Jan 2026 08:13:59 GMT Content-Type: text/plain; charset=UTF-8 Content-Length: 15 Connection: close Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin Server-Timing: cfEdge;dur=76,cfOrigin;dur=0 X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: 9b810a3b9ecee080-YYZ alt-svc: h3=":8443"; ma=86400 error code: 523
Open service 2a06:98c1:3120::3:443 · ojhunt.com
2026-01-03 08:13
HTTP/1.1 200 OK
Date: Sat, 03 Jan 2026 08:13:59 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: close
Server-Timing: cfCacheStatus;desc="DYNAMIC"
Server-Timing: cfEdge;dur=5,cfOrigin;dur=362
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=9fI7HgQzBwClDODhkzzwGGkkcCC8w0mkooixtj%2F7740WR2YqZcE7Kiyt8k%2FwDVQbCo9MmaBQM%2FbN%2Fmqc3pqIBhZZRy9uuRUTsp%2FjgLzDpKDooprkqSs%3D"}]}
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: Accept-Encoding
Server: cloudflare
cf-cache-status: DYNAMIC
CF-RAY: 9b810a3bafc47b83-SJC
alt-svc: h3=":443"; ma=86400
Page title: OJ Analyzer
<!doctype html>
<html data-n-head-ssr>
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Open service 2a06:98c1:3121::3:80 · ojhunt.com
2026-01-03 08:13
HTTP/1.1 301 Moved Permanently
Date: Sat, 03 Jan 2026 08:13:58 GMT
Content-Length: 0
Connection: close
Location: https://ojhunt.com/
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Open service 188.114.96.12:443 · ojhunt.com
2026-01-02 07:12
HTTP/1.1 200 OK
Date: Fri, 02 Jan 2026 07:12:11 GMT
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Page title: OJ Analyzer
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Open service 188.114.96.12:443 · ojhunt.com
2025-12-30 08:46
HTTP/1.1 200 OK
Date: Tue, 30 Dec 2025 08:46:17 GMT
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Open service 188.114.96.12:443 · ojhunt.com
2025-12-22 10:38
HTTP/1.1 200 OK
Date: Mon, 22 Dec 2025 10:38:41 GMT
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Server-Timing: cfCacheStatus;desc="DYNAMIC"
Server-Timing: cfEdge;dur=12,cfOrigin;dur=666
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CF-RAY: 9b1efdb2abe51ad4-FRA
alt-svc: h3=":443"; ma=86400
Page title: OJ Analyzer
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Open service 188.114.96.12:443 · ojhunt.com
2025-12-21 05:29
HTTP/1.1 200 OK
Date: Sun, 21 Dec 2025 05:30:00 GMT
Content-Type: text/html; charset=utf-8
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Connection: close
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