Mailbox Provider: gm.com [ back to main ] Here's MX record breakdown data for gm.com. Did you know? Domain gm.com hosts mail for 14 of the top ten million domains. Here are the top 5000 domains hosted by gm.com: Rank Domain MX Record MX Domain 1 gm.ca mx1.imr.gm.com gm.com 2 gmfamilyfirst.com mx1.imr.gm.com gm.com 3 opel.it dcmxppheip005.imr.gm.com gm.com 4 gmcard.com mx1.imr.gm.com gm.com 5 gmsupplierdiscount.com mx1.imr.gm.com gm.com 6 gmenvolve.com mx1.imr.gm.com gm.com 7 gmfleet.com mx1.imr.gm.com gm.com 8 pontiac.com mx1.imr.gm.com gm.com 9 gmmilitarydiscount.com mx1.imr.gm.com gm.com 10 saturn.com mx1.imr.gm.com gm.com 11 gmcollegediscount.com mx1.imr.gm.com gm.com 12 oldsmobile.com mx1.imr.gm.com gm.com 13 chevrolet.co.uk mx1.imr.gm.com gm.com 14 mygmdiscount.com mx1.imr.gm.com gm.com 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 14:16:17 CDT 2025