indexo.dev

lostartoflogarithms.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 1275 ms crawled 2026-05-09

US · 66.235.200.146 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
“The Lost Art of Logarithms” by Charles Petzold
Description
A book about the history, use, and importance of logarithms
Language
en

Open Graph

url
https://www.LostArtOfLogarithms.com
title
The Lost Art of Logarithms
description
A book about the history, use, and importance of logarithms

Technology

CDN
Cloudflare
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Registration

Registrar
Network Solutions, LLC
Created
2023-12-29
Expires
2027-12-29 589 days left
Updated
2025-12-14
Name servers
  • ns1.bluehost.com
  • ns2.bluehost.com

DNS records live

NS
  • ns1.bluehost.com
  • ns2.bluehost.com
MX
  • 0 mail.lostartoflogarithms.com
  • 10 lostartoflogarithms.com

Email authentication weak

SPF
v=spf1 ip4:50.87.170.107 a mx include:websitewelcome.com ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwxh82Cbn5tK90u1Iby1QgPJQM7z0y5EIFcuMlKhjadgvEDyDSymgE9weSsHVIq2KT+BX5ZguoSoeGu…
selectors probed

Certificate (current)

WE1
from 2026-03-27 to 2026-06-25
Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://lostartoflogarithms.com/

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 (1)