Stack census— back to the censusSurvey 016 · 07.10.2026

Communication - Email - Mail Transfer Agents · open source · awesome-selfhosted

Sendmail

proofpoint.com · answered as www.proofpoint.com · HTTP 200 in 6,065 ms

5 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

PHPprogramming languages
  • script — inline script matches \.php(?:\?|$)

Where it is served from

Impervasecurity · cdn
  • header — x-iinfo: 48-2131663-0 0CNN RT(1791353474295 211) q(0 -1 -1 0) r(0 -1)
  • header — x-cdn: Imperva

What is watching the visitor

MaxMindv2.1geolocation · browser fingerprinting
  • script — https://geoip-js.com/js/apis/geoip2/v2.1/geoip2.js

How they answer customers

Marketomarketing automation
  • script — https://munchkin.marketo.net/munchkin.js

What stands at the door

HSTSsecurity
  • header — strict-transport-security: max-age=31536000, includeSubDomains, preload

Back to the census.