<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1453363041709_24108">Hello </div><div id="yui_3_16_0_1_1453363041709_24108"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr">I have a zone myzone.com where dynamic dns is active ( dhcp updates continuously the dns ) </div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr">I need to respond differently for MX requests such as : </div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr">MX for "internal" queries is mxinternal.myzone.com </div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr">MX for "internet" queries is mxexternal.myzone.com </div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr">I cannot find out how to setup bind to achieve this while keeping the dynamic dns in operation </div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr">Sincerely</div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr">Fred</div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr"><br></div><div id="yui_3_16_0_1_1453363041709_24108" dir="ltr">( i use bind 9.9.5 ) </div></div></body></html>