Country × ESP heatmap

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Where do domains of each country send their email from? Country = ccTLD (so .de = Germany, .fr = France …). Generic gTLDs (.com / .net / .org / .io) skipped — they have no country signal.

36countries detected

260distinct ESPs in scan

2026-07-13scan date

Heatmap — top-15 countries × top-15 ESPs

Cell = % of that country's SPF-publishing ccTLD domains that use the ESP. Darker = higher share.

0% ≥30%

Regional ESP champions — top-5 ESPs per country

Regional dominance — ESPs concentrated in a single country

ESPs with at least 50 customers globally where ≥60% of those customers live in one country — i.e. ESPs that look like genuine national champions rather than global tools.

Source: OpenINTEL forward-DNS Tranco snapshot (2026-07-13). Cross-tab: parsers/country_esp.py; ccTLD→country mapping: dictionaries/tld_regions.py. An ESP appears in a country's row when at least one domain of that ccTLD has the ESP's SPF include.