parse-dmarc

dmarcguard.io · HTTP 200 in 3,441 ms

7 things were found in the response on 07.10.2026. This is the front door only: whatever runs behind a login, and anything a browser would have to execute to reveal, is not here.

What the page is built with

Astrostatic site generator · javascript frameworks

html — <astro-island
html — /_astro/HeroDomainCheck.CqyZksbz.js

Vue.jsjavascript frameworks

html — <div class="domain-check" data-astro-cid-gcvrce7c="true" data-v-

Where it is served from

Cloudflarecdn

header — server: cloudflare
header — cf-cache-status: DYNAMIC

Where their email goes

Proton Mailwebmail

dns — MX 10 mail.protonmail.ch
dns — MX 20 mailsec.protonmail.ch

What is watching the visitor

PostHoganalytics

script — inline script matches (?:app|eu|us)(?:-assets)?\.(?:i\.)?posthog\.com
script — inline script matches posthog\.init\(
html — posthog.init(

What stands at the door

HSTSsecurity

header — strict-transport-security: max-age=31536000; includeSubDomains; preload

Everything else

HTTP/3miscellaneous

header — alt-svc: h3=":443"; ma=86400

Back to the census.