airclub.org

.org crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 325 ms crawled 2026-06-01

US · 204.69.207.1 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Air Club
Description: A global coalition aspiring towards healthy indoor air.
Language: en

Open Graph

url: https://airclub.org/
title: Air Club
site name: Air Club
description: A global coalition aspiring towards healthy indoor air.

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×2

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

MX

1 smtp.google.com

TXT

mailerlite-domain-verification=bb1fdd1d08db10a82826b1d16b6e8fbc1829ea2a

Verified for

Google

Email authentication weak

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

Certificate (current)

WE1

from 2026-05-17 to 2026-08-15

Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://airclub.org/

present

strict-transport-security

findings

short HSTS max-age
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=2628000

Linked from (3)