indexo.dev

ratingcalculator.org

.org crawl

First seen 2026-05-20 · Last seen 2026-05-30 · ok HTTP/1.1 200 331 ms crawled 2026-05-27

NL · 45.82.191.108 · AS31477 Duocast B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Chess Rating Calculator | FIDE & KNSB Elo Calculator
Description
Calculate your new chess rating instantly. Free online calculator for FIDE and KNSB (Elo) ratings. Includes TPR, rating changes, and live ratings.
Language
en
Canonical
https://ratingcalculator.org/
Translations
  • en
  • nl

Technology

Server
LiteSpeed
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • cdn.tailwindcss.com×1
  • fonts.googleapis.com×1
  • gc.zgo.at×1
  • hits.sh×1

Registration

Registrar
Hosting Concepts B.V. d/b/a Registrar.eu
Created
2026-05-04
Expires
2027-05-04 337 days left
Updated
2026-05-09
Name servers
  • ns1.cloud86.nl
  • ns2.cloud86.nl
  • ns3.cloud86.eu

DNS records live

NS
  • ns1.cloud86.nl
  • ns2.cloud86.nl
  • ns3.cloud86.eu
MX
  • 10 ratingcalculator.org
Verified for
  • Google

Email authentication strong

SPF
v=spf1 +a +mx +ip4:45.82.191.108 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-04 to 2026-08-02
Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ratingcalculator.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (2)