Mailbox Provider: rrt-hdf.net [ back to main ] Here's MX record breakdown data for rrt-hdf.net. Did you know? Domain rrt-hdf.net hosts mail for 15 of the top ten million domains. Here are the top 5000 domains hosted by rrt-hdf.net: Rank Domain MX Record MX Domain 1 hauts-de-france.com mail.rrt-hdf.net rrt-hdf.net 2 region-hauts-de-france.com mail.rrt-hdf.net rrt-hdf.net 3 region-hautsdefrance.com mail.rrt-hdf.net rrt-hdf.net 4 regionhautsdefrance.com mail.rrt-hdf.net rrt-hdf.net 5 region-hauts-de-france.net mail.rrt-hdf.net rrt-hdf.net 6 region-hautsdefrance.net mail.rrt-hdf.net rrt-hdf.net 7 regionhautsdefrance.net mail.rrt-hdf.net rrt-hdf.net 8 region-hauts-de-france.org mail.rrt-hdf.net rrt-hdf.net 9 region-hautsdefrance.org mail.rrt-hdf.net rrt-hdf.net 10 regionhautsdefrance.org mail.rrt-hdf.net rrt-hdf.net 11 hauts-de-france.eu mail.rrt-hdf.net rrt-hdf.net 12 hautsdefrance.eu mail.rrt-hdf.net rrt-hdf.net 13 hautdefrance.fr mail.rrt-hdf.net rrt-hdf.net 14 region-hauts-de-france.fr mail.rrt-hdf.net rrt-hdf.net 15 region-hautsdefrance.fr mail.rrt-hdf.net rrt-hdf.net This ranking is relative inside of top 10 million results. Find more information about the "top domains" data from host.io. DNS Snapshot date: June 2025 Page generated at: Fri Aug 1 23:54:20 CDT 2025