indexo.dev

leeham.net

.net crawl

First seen 2026-04-23 · Last seen 2026-05-14 · ok HTTP/1.1 200 2644 ms crawled 2026-05-16

US · 162.159.134.42 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Leeham Company LLC - Aviation Consulting, Modeling & Intelligence
Description
Leeham Co. provides independent aviation consulting, aircraft modeling, and competitive intelligence for lessors, airlines, and OEMs worldwide.
Language
en-US
Generator
Site Kit by Google 1.178.0
Canonical
https://leeham.net/
Feeds

Open Graph

url
https://leeham.net/
title
Leeham Company - Aviation Consulting Experts
locale
en_US
site name
Leeham Company
description
Trusted aviation analysis, modeling, and consulting services backed by decades of industry experience.

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • mlhxrkjoggqr.i.optimole.com×6
  • fd.cleantalk.org×1
  • gmpg.org×1
  • www.googletagmanager.com×1

Contact

Phone

Registration

Registrar
GoDaddy.com, LLC
Created
2005-04-04
Expires
2026-09-12 116 days left
Updated
2025-09-12
Name servers
  • ns11.constellix.com
  • ns21.constellix.com
  • ns31.constellix.com
  • ns41.constellix.net
  • ns51.constellix.net
  • ns61.constellix.net

DNS records live

NS
  • ns1.anchor.host
  • ns2.anchor.host
  • ns3.anchor.host
  • ns4.anchor.host
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
v=spf1 a mx include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-11 to 2026-07-10
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://leeham.net/

present
  • x-content-type-options
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
Header values
permissions-policy
ch-viewport-width=(self "https://mlhxrkjoggqr.i.optimole.com"), ch-ect=(self "https://mlhxrkjoggqr.i.optimole.com"), ch-dpr=(self "https://mlhxrkjoggqr.i.optimole.com")
x-content-type-options
nosniff

Links to (2)

Linked from (1)