indexo.dev

letterfrequency.org

.org crawl

First seen 2026-05-10 · Last seen 2026-05-10 · ok HTTP/1.1 200 1786 ms crawled 2026-05-16

US · 199.58.178.204 · AS16556 TotalChoice Hosting, LLC

Reputation 87/100 weak security headers no dmarc policy

sector education type blog

HTML metadata

Title
Letter/Word Frequency in English & Other Languages | LetterFrequency.org
Description
Letter & Word Frequency in English and Letter Frequencies in Other Languages
Language
en-US
Generator
Divi v.3.0.30
Canonical
https://letterfrequency.org/
Feeds

Open Graph

url
https://letterfrequency.org/
title
Homepage
description
Letter & Word Frequency in English and Letter Frequencies in Other Languages

Technology

Server
Apache
CMS
WordPress
Analytics
  • Fathom
  • Google Analytics
Fonts
  • Google Fonts
Third-party hosts loaded (11)
  • fonts.googleapis.com×2
  • ajax.googleapis.com×1
  • apis.google.com×1
  • cdn.usefathom.com×1
  • fonts.gstatic.com×1
  • google-analytics.com×1
  • s.gravatar.com×1
  • s.w.org×1
  • ssl.google-analytics.com×1
  • www.google-analytics.com×1
  • youtube.com×1

Contact

Address
rd Letter Frequency(18584

Registration

Registrar
Internet Domain Service BS Corp
Created
2005-05-11
Expires
2028-05-11 722 days left
Updated
2025-11-20
Name servers
  • ns1.webringworld.org
  • ns2.webringworld.org

DNS records live

NS
  • ns1.academicgames.org
  • ns2.academicgames.org
MX
  • 0 letterfrequency.org

Email authentication weak

SPF
v=spf1 +a +mx +ip4:208.76.82.129 +ip4:199.58.178.204 ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsENJhoW16ODDLl7vOll8WFflT88FhtQElTaqq3XOHdl9ZU1t4gnC4kn7x3420V0C4DiiaH3i9598OT…
selectors probed

Certificate (current)

R12
from 2026-04-23 to 2026-07-22
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (1)