Real DNS MX lookups
Know the inbox behind every contact
Enrich any email list with ESP provider, category, and MX records—pulled live from DNS. No paywall. Up to 50,000 rows per file.
Built for ops and revenue teams who need reliable routing signals, not guessed labels.
Import CSV or drag here
Include an email column · Max 32 MB
How it works
Three steps from raw CSV to enriched export
01
Upload
CSV with an email column. Other columns are preserved in the export.
02
Resolve
We dedupe domains and query MX in parallel—no AI, no fabricated providers.
03
Export
Download enriched CSV with provider, category, MX hostnames, and priorities.