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hydro.ac Open in urlscan Pro
47.242.59.200  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://www.www.httpwww.wfzdoj.com/
Effective URL: https://hydro.ac/
Submission: On November 08 via api from US — Scanned from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 3 countries across 2 domains to perform 16 HTTP transactions. The main IP is 47.242.59.200, located in Hong Kong, Hong Kong and belongs to ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN. The main domain is hydro.ac.
TLS certificate: Issued by E5 on September 13th 2024. Valid for: 3 months.
This is the only time hydro.ac was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 5 47.242.59.200 45102 (ALIBABA-C...)
10 2606:4700:303... 13335 (CLOUDFLAR...)
2 193.32.148.182 3258 (XTOM-JAPA...)
16 3
Apex Domain
Subdomains		 Transfer
16 hydro.ac
hydro.ac
cdn.hydro.ac
analytics.hydro.ac
1 MB
1 wfzdoj.com
www.www.httpwww.wfzdoj.com
184 B
16 2
Domain Requested by
10 cdn.hydro.ac hydro.ac
cdn.hydro.ac
4 hydro.ac hydro.ac
cdn.hydro.ac
2 analytics.hydro.ac hydro.ac
analytics.hydro.ac
1 www.www.httpwww.wfzdoj.com 1 redirects
16 4
Subject Issuer Validity Valid
hydro.ac
E5		 2024-09-13 -
2024-12-12		 3 months crt.sh
analytics.hydro.ac
E6		 2024-10-10 -
2025-01-08		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://hydro.ac/
Frame ID: 77E9BD501FBEDF7B12D5BF6BF004A526
Requests: 16 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Home - HydroOJ

Page URL History Show full URLs

  1. https://www.www.httpwww.wfzdoj.com/ HTTP 302
    https://hydro.ac/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <div [^>]*class="[^"]*(?:small|medium|large)-\d{1,2} columns

Page Statistics

16
Requests

100 %
HTTPS

33 %
IPv6

2
Domains

4
Subdomains

3
IPs

3
Countries

1174 kB
Transfer

3758 kB
Size

4
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://www.www.httpwww.wfzdoj.com/ HTTP 302
    https://hydro.ac/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

16 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
hydro.ac/
Redirect Chain
  • https://www.www.httpwww.wfzdoj.com/
  • https://hydro.ac/
78 KB
13 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://hydro.ac/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
47.242.59.200 Hong Kong, Hong Kong, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software
Caddy Caddy /
Resource Hash
0d34ff20ff145413b192ff269426bb826ed7a944e89e7cb232dfa17818c3ea27

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

content-encoding
br
content-type
text/html; charset=utf-8
date
Fri, 08 Nov 2024 13:33:51 GMT
server
Caddy Caddy
vary
Accept-Encoding
x-asn
AS701

Redirect headers

content-length
65
content-type
text/html; charset=utf-8
date
Fri, 08 Nov 2024 13:33:50 GMT
location
https://hydro.ac/
server
Caddy Caddy
vary
Accept-Encoding
x-asn
AS701
theme-4.55.3.css
cdn.hydro.ac/ 		703 KB
112 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/theme-4.55.3.css
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a3c2cd293cf4fcce6cf05dde6a4ff7edce1c4b6ec95b82d228e0b67a6fc95f84

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d5dzwf3jqvfrff53-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=imeqLbTBbaV2No9e5EB4LArmumv%2Faei9%2FyGmde3wvQn1g4mEVpgQHIip6v8UZhGfux5%2B1NCPbqj2PtO3009grPLIwjrigvs%2B1HF%2FHP9TsUFOlTrN5rmu%2FLpjeuM48mCNazZ94nluAhi5rig%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8df5efef38d5c472-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=22749&sent=14&recv=12&lost=0&retrans=0&sent_bytes=4247&recv_bytes=4914&delivery_rate=577&cwnd=12000&unsent_bytes=0&cid=8ec091dc28d3acca&ts=716&x=1", cfHdrFlush;dur=0
date
Fri, 08 Nov 2024 13:33:52 GMT
content-type
text/css; charset=utf-8
last-modified
Tue, 05 Nov 2024 05:28:20 GMT
vary
Accept-Encoding
server
cloudflare
1daa1591.js
hydro.ac/constant/ 		340 KB
117 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://hydro.ac/constant/1daa1591.js
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
47.242.59.200 Hong Kong, Hong Kong, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software
Caddy, Caddy /
Resource Hash
84daeceefb364924864345b115501b76bf9682518976fe354ecc2f20173f97f8

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

x-asn
AS701
cache-control
public, max-age=86400
content-encoding
br
etag
1daa1591
date
Fri, 08 Nov 2024 13:33:51 GMT
content-type
application/javascript; charset=utf-8
vary
Accept-Encoding
server
Caddy, Caddy
lang-en.js
cdn.hydro.ac/resource/4.55.3/ 		7 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/resource/4.55.3/lang-en.js
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b641c6078d699c737486ec2db6776f4c2bcf49014f33a475d8b06d23670ebcb9

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

x-asn
AS13335
cache-control
public, max-age=86400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
zstd
cf-cache-status
EXPIRED
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=8NWui%2BtKOlXDOBnHqPmUIIX1W6OPBEYAljqoKlXeeKGcYyb2n%2BUudpLRNbwx2bXblYz18IIZdn4UR0PloIbxLo%2FStphX256yI1Q9tyTdzjO%2BgT6OmSjx%2FEHW0Lu2c29RM7ERm42zRQcBcXw%3D"}],"group":"cf-nel","max_age":604800}
access-control-allow-methods
GET, HEAD
cf-ray
8df5efef38d3c472-EWR
access-control-allow-origin
hydro.ac
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=57401&sent=552&recv=106&lost=14&retrans=14&sent_bytes=646933&recv_bytes=9122&delivery_rate=5113812&cwnd=220080&unsent_bytes=0&cid=8ec091dc28d3acca&ts=920&x=1", cfHdrFlush;dur=0
date
Fri, 08 Nov 2024 13:33:52 GMT
content-type
application/javascript; charset=utf-8
vary
Accept-Encoding
server
cloudflare
hydro-4.55.3.js
cdn.hydro.ac/ 		1 MB
486 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/hydro-4.55.3.js
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5797fdb586986c437a9962334d09e41b1cb8cec7ab0ad6737f6ce5cc464c8ced

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d5dzwf3hd4yswhoj-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=poErsOcuO%2F82wl%2FN%2B8%2BmI2u54i1%2FMdf%2BNeYY8GR8Wds%2BT2FGm2MO1Gh7AE49n6eUi%2BOvl5nBq%2FEh8EBSBJZHtLb5mkum%2BMto7q1t2p2mANREmZQAYnNmsaTwXjyxGuV9dBNqQxlXyRPyvks%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8df5efef28cec472-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=22749&sent=24&recv=12&lost=0&retrans=0&sent_bytes=16247&recv_bytes=4914&delivery_rate=577&cwnd=12000&unsent_bytes=0&cid=8ec091dc28d3acca&ts=727&x=1", cfHdrFlush;dur=13
date
Fri, 08 Nov 2024 13:33:52 GMT
content-type
text/javascript; charset=utf-8
last-modified
Tue, 05 Nov 2024 05:28:20 GMT
vary
Accept-Encoding
server
cloudflare
nav-logo-small_dark.png
hydro.ac/components/navigation/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://hydro.ac/components/navigation/nav-logo-small_dark.png
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
47.242.59.200 Hong Kong, Hong Kong, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software
Caddy /
Resource Hash
c05f3d3654643ef7d864a0a71b67e19a9f5af9a77a248349c218856a78007ad2

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

etag
"d5dzwf5i02c31za"
accept-ranges
bytes
content-length
2566
date
Fri, 08 Nov 2024 13:33:51 GMT
content-type
image/png
last-modified
Tue, 05 Nov 2024 05:28:21 GMT
server
Caddy
vary
Accept-Encoding
m.js
analytics.hydro.ac/ 		66 KB
23 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://analytics.hydro.ac/m.js
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
193.32.148.182 Tokyo, Japan, ASN3258 (XTOM-JAPAN xTom Japan, JP),
Reverse DNS
you.are.stupid
Software
Caddy, Caddy, nginx /
Resource Hash
f2e8975ed834c578c50d3923ceb26de04d4fa44f74380f45f147585d909a874d

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=2592000
content-encoding
zstd
etag
"0dzvxi168qrgr8zmxrfbwa6d8aw4mfy8-10784-zstd"
expires
Sun, 08 Dec 2024 13:33:54 GMT
date
Fri, 08 Nov 2024 13:33:54 GMT
content-type
text/javascript
vary
Accept-Encoding
server
Caddy, Caddy, nginx
hydro-icons.woff2
cdn.hydro.ac/ 		10 KB
11 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/hydro-icons.woff2?23b2cd
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/theme-4.55.3.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
39cbabdcdee7052e38790b1ace5bc42959d89b277959f599b27f410b2b51ad2e

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://hydro.ac
Referer
https://cdn.hydro.ac/theme-4.55.3.css

Response headers

content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d5dzwf3g69qb810-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=fwgxrvfMYrRH%2BMrgrwZnO3BI5MzyhKKVedoHRfuPNQBy1vnEQlGXXvHzaTTGWjk48ALYOAYDhq2Ke%2FEpq0P9VRGiYiju2vxpZxwaRpib9G1XxT6fLTiSmy6%2FX%2BrAOYsbWjBFKcUAls6sRKY%3D"}],"group":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=31941&sent=21&recv=12&lost=0&retrans=0&sent_bytes=14678&recv_bytes=4915&delivery_rate=390&cwnd=12000&unsent_bytes=0&cid=b8a5252aec4f6050&ts=725&x=1", cfHdrFlush;dur=19
date
Fri, 08 Nov 2024 13:33:53 GMT
content-type
font/woff2
last-modified
Tue, 05 Nov 2024 05:28:20 GMT
vary
Origin, Accept-Encoding
access-control-allow-headers
content-type, x-requested-with
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8df5eff7de514201-EWR
access-control-allow-origin
https://hydro.ac
server
cloudflare
KaTeX_Math-Italic.woff2
cdn.hydro.ac/modules/katex/ 		16 KB
17 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/modules/katex/KaTeX_Math-Italic.woff2?db4883
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/theme-4.55.3.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7af58c5ec8f132a2ddde9027c6d7814decce4d3b822a11192a42a20e2e973264

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://hydro.ac
Referer
https://cdn.hydro.ac/theme-4.55.3.css

Response headers

content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d5dzwf5m63nrcoo-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=CYkPvTj%2FICW0MszgdwHLdWV1DHctnHZv2yOagosaq4nRgEB9xvgMADT7VI322gSLJ2vwpRv4cZzEDcdA9s8hrSN%2FDpjl1F55Rr2jPiIuQXK2M%2BSBqCdUcmTnffm7x4x9EgxRiJWDuS2WF4I%3D"}],"group":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=31941&sent=11&recv=12&lost=0&retrans=0&sent_bytes=2678&recv_bytes=4915&delivery_rate=390&cwnd=12000&unsent_bytes=0&cid=b8a5252aec4f6050&ts=721&x=1", cfHdrFlush;dur=0
date
Fri, 08 Nov 2024 13:33:53 GMT
content-type
font/woff2
last-modified
Tue, 05 Nov 2024 05:28:21 GMT
vary
Origin, Accept-Encoding
access-control-allow-headers
content-type, x-requested-with
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8df5eff7de544201-EWR
access-control-allow-origin
https://hydro.ac
server
cloudflare
KaTeX_Main-Regular.woff2
cdn.hydro.ac/modules/katex/ 		26 KB
26 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/modules/katex/KaTeX_Main-Regular.woff2?c88408
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/theme-4.55.3.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c2342cd8b869e01752a9321dc17213fc40d4d04c79688c1d43f2cf316abd7866

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://hydro.ac
Referer
https://cdn.hydro.ac/theme-4.55.3.css

Response headers

content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d5dzwf5m63nrk9s-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=MEs0dRebzsMyfXQ3ZHX5%2FeYhndFn0gGMjKYn%2BOE280InuvdP14m8odeSbuz7j2ewcjMi0F3WZBCxFWupfB83JLNY6dVCo2di0YO9Z3TN45IBKiVsioJT1dmrYJz4FEOM%2FWO8H8o8LRVWJWc%3D"}],"group":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=31941&sent=21&recv=12&lost=0&retrans=0&sent_bytes=14678&recv_bytes=4915&delivery_rate=390&cwnd=12000&unsent_bytes=0&cid=b8a5252aec4f6050&ts=723&x=1", cfHdrFlush;dur=21
date
Fri, 08 Nov 2024 13:33:53 GMT
content-type
font/woff2
last-modified
Tue, 05 Nov 2024 05:28:21 GMT
vary
Origin, Accept-Encoding
access-control-allow-headers
content-type, x-requested-with
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8df5eff7de554201-EWR
access-control-allow-origin
https://hydro.ac
server
cloudflare
n.prismjs.8e0fd1.chunk.js
cdn.hydro.ac/ 		619 KB
234 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/n.prismjs.8e0fd1.chunk.js
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/hydro-4.55.3.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2f2e3dc7796c3ad0f8d3a47ff3059eafa97e667b1386bf8cd329921123ebf881

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d5dzwf3jqvfrdl7l-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=RuNENw14K2gIgWCDbbLDuo%2Bhh7iy3YShSbP8Cpq7wN%2B0rIL%2BPN64eYQLC3dFYqVdwc7IEeVzXhswHVoldZM%2B6ORivCan4Eoi7mYr1vnSIgICPazog24TPBLU9or9mlNnIkQNwHECQTuNt0M%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8df5eff87ba3c472-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=47295&sent=593&recv=112&lost=14&retrans=14&sent_bytes=694629&recv_bytes=10123&delivery_rate=276693&cwnd=220080&unsent_bytes=0&cid=8ec091dc28d3acca&ts=2204&x=1", cfHdrFlush;dur=0
date
Fri, 08 Nov 2024 13:33:54 GMT
content-type
text/javascript; charset=utf-8
last-modified
Tue, 05 Nov 2024 05:28:20 GMT
vary
Accept-Encoding
server
cloudflare
n.graphql-language-service.dfa8e8.chunk.js
cdn.hydro.ac/ 		126 KB
42 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/n.graphql-language-service.dfa8e8.chunk.js
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/hydro-4.55.3.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
22dd707903d3e87bf64a619feb26942bd681f5e4afb1bf528aad1e792b82c6c7

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d5dzwf3hykl12r69-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=3Qfez8nH7c9zKCAvhWaHxbreum5RWbV%2BjLg7LZHv9HXpgtHXYmzhzxjoHbQ28tLwPzZ1dBQd2JSnk3Y%2BKK%2BlUjAPUZvE8mXjdqJBK8FqSY7fpieaZXpxQkSonTmhcD%2FTn%2BAUGUX2FxwqYxw%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8df5eff87ba5c472-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=47295&sent=556&recv=112&lost=14&retrans=14&sent_bytes=650403&recv_bytes=10123&delivery_rate=276693&cwnd=220080&unsent_bytes=0&cid=8ec091dc28d3acca&ts=2200&x=1", cfHdrFlush;dur=0
date
Fri, 08 Nov 2024 13:33:54 GMT
content-type
text/javascript; charset=utf-8
last-modified
Tue, 05 Nov 2024 05:28:20 GMT
vary
Accept-Encoding
server
cloudflare
n.katex.119231.chunk.js
cdn.hydro.ac/ 		267 KB
80 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/n.katex.119231.chunk.js
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/hydro-4.55.3.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
514b1a70750f7d3c940b119ba979dd128c51fd44d71e9815eee5eb982091db90

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d5dzwf3ik07a5v01-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=1rYp7ro2dXqHFrl6dgU5bACh5jro1sMPV8XOGMkmBJtdPRY2icC5jgO0%2BBLObYEsZ4vUKdyOg7bC1QhkxVEZOC7MsYMX2vkPRFM8SsyBDSLATBW1ntsK4NWRe4Y4HFLkGVxd%2BAKciDs6GWg%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8df5eff87ba6c472-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=47295&sent=740&recv=112&lost=14&retrans=14&sent_bytes=870483&recv_bytes=10123&delivery_rate=276693&cwnd=220080&unsent_bytes=0&cid=8ec091dc28d3acca&ts=2210&x=1", cfHdrFlush;dur=15
date
Fri, 08 Nov 2024 13:33:54 GMT
content-type
text/javascript; charset=utf-8
last-modified
Tue, 05 Nov 2024 05:28:20 GMT
vary
Accept-Encoding
server
cloudflare
service-worker-config
hydro.ac/ 		18 KB
5 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://hydro.ac/service-worker-config
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/hydro-4.55.3.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
47.242.59.200 Hong Kong, Hong Kong, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software
Caddy, Caddy /
Resource Hash
73e62c196c499fff8f00111be82f6116832fffd745454c485537c3872e233d4d

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Content-Type
application/json
Referer
https://hydro.ac/

Response headers

x-asn
AS701
content-encoding
br
date
Fri, 08 Nov 2024 13:33:53 GMT
content-type
text/html; charset=utf-8
vary
Accept-Encoding
server
Caddy, Caddy
mt
analytics.hydro.ac/ 		0
96 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://analytics.hydro.ac/mt?action_name=Home%20-%20HydroOJ&idsite=1&rec=1&r=714668&h=3&m=33&s=54&url=https%3A%2F%2Fhydro.ac%2F&_id=a7ec97f7b21653f8&_idn=1&send_image=0&_refts=0&pv_id=y5xsrB&pf_net=582&pf_srv=796&pf_tfr=218&pf_dm1=1417&uadata=%7B%22fullVersionList%22%3A%5B%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22%22%2C%22platformVersion%22%3A%22%22%7D&pdf=1&qt=0&realp=0&wma=0&fla=0&java=0&ag=0&cookie=1&res=1600x1200
Requested by
Host: analytics.hydro.ac
URL: https://analytics.hydro.ac/m.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
193.32.148.182 Tokyo, Japan, ASN3258 (XTOM-JAPAN xTom Japan, JP),
Reverse DNS
you.are.stupid
Software
Caddy, Caddy, nginx / PHP/8.2.24
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=utf-8
Referer
https://hydro.ac/

Response headers

access-control-allow-origin
https://hydro.ac
date
Fri, 08 Nov 2024 13:33:54 GMT
content-type
text/html; charset=UTF-8
x-powered-by
PHP/8.2.24
server
Caddy, Caddy, nginx
access-control-allow-credentials
true
favicon-32x32.png
cdn.hydro.ac/ 		1 KB
2 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/favicon-32x32.png
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7af842b7016df039714a1de50c690ee9308ea0f470c21919c767dbb86d180f36

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-cache-status
REVALIDATED
etag
"d5dzwf3fku42ve"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=gksITU8%2FqO%2BRgufQBIWIG%2Fk2sIKKKzyHOkak0paxlzbrWb9Uv6Alu8dq5%2FhN6pXP%2BvDOT8dZ4z2btol6xpd10aO9UN9NLs%2BORCpPxijoc7hyYUZupI4oABbElyuC0HE2zN2Pib9IIgmvLb4%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8df5f0013d22c472-EWR
accept-ranges
bytes
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=29796&sent=893&recv=151&lost=34&retrans=34&sent_bytes=1046816&recv_bytes=12333&delivery_rate=5351253&cwnd=154896&unsent_bytes=0&cid=8ec091dc28d3acca&ts=3655&x=1", cfHdrFlush;dur=0
content-length
1130
date
Fri, 08 Nov 2024 13:33:55 GMT
content-type
image/png
last-modified
Tue, 05 Nov 2024 05:28:20 GMT
vary
Accept-Encoding
server
cloudflare

Verdicts & Comments Add Verdict or Comment

39 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| _htmlNode object| UiContext object| UserContext function| _hydroLoad object| LOCALES object| _sentryDebugIds string| _sentryDebugIdIdentifier object| SENTRY_RELEASE object| webpackChunk_hydrooj_ui_default function| clearImmediate function| setImmediate function| $bu_getBrowser object| _buorgres object| Hydro object| externalModules object| lazyModuleResolver object| _paq string| UiContextNew string| UserContextNew function| ZIP function| _ object| node_modules function| $ function| jQuery object| HydroExports function| _evercookie_flash_var function| Evc object| e function| checkExt object| fpPromise object| lazyloadMetadata object| LANGS function| flatpickr function| showSignInDialog object| Prism object| Piwik object| Matomo object| AnalyticsTracker function| piwik_log

4 Cookies

Domain/Path Name / Value
.hydro.ac/ Name: test
Value: 6375055645200416
.hydro.ac/ Name: v
Value: 8013ce509a9eb243b4e66c64a78aecc0
hydro.ac/ Name: _pk_id.1.b38a
Value: a7ec97f7b21653f8.1731072835.
hydro.ac/ Name: _pk_ses.1.b38a
Value: 1

3 Console Messages

Source Level URL
Text
recommendation verbose URL: https://hydro.ac/
Message:
[DOM] Input elements should have autocomplete attributes (suggested: "current-password"): (More info: https://goo.gl/9p2vKq) %o
rendering warning URL: https://hydro.ac/
Message:
[GroupMarkerNotSet(crbug.com/242999)!:A0901D00F4000000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader flag to opt in to lower security guarantees for trusted content.
network error URL: https://hydro.ac/service-worker-config
Message:
Failed to load resource: the server responded with a status of 405 ()