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A map of all ~342 Dutch municipalities showing which provider handles their official email — grouped by jurisdiction — based on public DNS records.
Digital sovereignty: US-based providers are subject to the US CLOUD Act, which allows US authorities to request stored data, regardless of where it is physically hosted. This map makes the current provider landscape visible.
Each municipality's official domain is checked via public DNS records (MX + SPF) and classified by provider type.
Disclaimer: DNS records indicate mail routing and authorized senders, not necessarily where data is stored.
The code and data are on Codeberg.
If you have noticed an error, please submit an issue.
This project is a fork of mxmap.ch, created by David Huser, which maps Swiss municipalities. All credit for the original concept, pipeline design, and code goes to him. Adapted for the Netherlands by Soverin.