physicsbrawl.org

.org crawl

First seen 2026-04-23 · Last seen 2026-05-14 · ok HTTP/1.1 200 3365 ms crawled 2026-05-17

CZ · 195.113.17.221 · AS2852 CESNET z.s.p.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Main page | Physics Brawl Online
Language
en

Open Graph

url
http://physicsbrawl.org/
title
Physics Brawl Online
locale
en_US.utf-8
description
Team competition in solving physics problems

Technology

Server
openresty
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • cdn.jsdelivr.net×1
  • cdnjs.cloudflare.com×1
  • fonts.gstatic.com×1

Social

Contact

Email

Registration

Registrar
Tucows Domains Inc.
Created
2012-10-09
Expires
2028-10-09 874 days left
Updated
2025-10-03
Name servers
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.us
  • ns.forpsi.net

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
  • ns.forpsi.us
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
TXT
  • google-site-verification=4ohagnjl1PivCeuOq3XYeLNCQpXVUQQrqRU7LFHLO8U

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDD/834KUxiz4sUABy74TXmK/m0J6WIC+/af3cYtyvboIMum0GKT0nV50dL3MjfrwdWYlBVFUhbRiPHRTHGfK…
selectors probed

Certificate (current)

E8
from 2026-04-07 to 2026-07-06
Expires in 48 days

HTTP security headers

Header hygiene 60/100 Checked live page: https://physicsbrawl.org/

present
  • strict-transport-security
  • x-frame-options
findings
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=63072000; preload

Links to (17)

Linked from (2)