Mastodawn

https://blog.gslin.org/archives/2026/04/22/13001/mxmap/

MXmap

#data #dns #email #mail #map #mx #mxmap #open #osint #records

MXmap

看到「MXmap — Email Providers of Swiss Municipalities (via)」這個瑞士的 MXmap，透過 DNS records 分析，加上 IP 查詢，判斷各家用的 E-mail provider。兩個步驟，第一步是先透過 wikidata 與 BFS 提供的 API 拉出城鎮資料，然後再去想辦法猜出官方用的 email domain： Resolve domains — Fetches all ~2100 Swiss municipalities from Wikidata and the BFS (Swiss Statistics) API, applies manual overr...

Gea-Suan Lin's BLOG

Soverin Mar 18

Which email provider handles your municipality's official communications?

We built mxmap.nl to make that visible, all Dutch municipalities, mapped by email provider based on public DNS records.
Inspired by the Swiss original mxmap.ch by David Huser. We adapted it for the Netherlands. All credit for the concept goes to him.

Under the CLOUD Act, provider location matters. The map makes the current reality clear.

www.mxmap.nl

#DigitalSovereignty #GDPR #NIS2 #mxmap