Embedded DNS server should resolve only in docker network domain
Embedded DNS server should resolve only in docker network domain

Signed-off-by: Santhosh Manohar <0806b0927a65802677e1bc58a740a42f957953d7@docker.com>

trebonian/docker,docker/docker,gnailuy/docker,jthelin/docker,moul/docker,thaJeztah/docker,bearstech/moby,bearstech/moby,djs55/docker,AkihiroSuda/docker,paralin/docker,flavio/docker,konstruktoid/docker-upstream,docker/docker,moby/moby,trebonian/docker,mahak/docker,jimjag/docker,AkihiroSuda/docker,mahak/docker,paralin/docker,gnailuy/docker,moby/moby,cpuguy83/docker,nalind/docker,flavio/docker,thaJeztah/docker,jimjag/docker,vdemeester/docker,moby/moby,nawawi/docker,mahak/docker,jthelin/docker,nawawi/docker,vdemeester/docker,konstruktoid/docker-upstream,konstruktoid/docker-upstream,nawawi/docker,gnailuy/docker,cpuguy83/docker,thaJeztah/docker,Mokolea/docker,flavio/docker,moul/docker,moul/docker,moul/docker,djs55/docker,trebonian/docker,nalind/docker,flavio/docker,moby/moby,thaJeztah/docker,jameszhan/docker,AkihiroSuda/docker,yosifkit/docker,jameszhan/docker,AkihiroSuda/docker,djs55/docker,gnailuy/docker,docker/docker,paralin/docker,jameszhan/docker,nawawi/docker,Ramzec/docker,Ramzec/docker,vdemeester/docker,bearstech/moby,yosifkit/docker,jimjag/docker,Mokolea/docker,nalind/docker,cpuguy83/docker,Mokolea/docker,nalind/docker,Ramzec/docker,yosifkit/docker,paralin/docker,trebonian/docker,Mokolea/docker,yosifkit/docker,mahak/docker,konstruktoid/docker-upstream,Ramzec/docker,cpuguy83/docker,jimjag/docker,bearstech/moby