x@mxt9.test.ex
  router = r2, transport = t1
  host ten-1.test.ex [V4NET.0.0.1] MX=5
  host ten-2.test.ex [V4NET.0.0.2] MX=6
  host ten-3.test.ex [V4NET.0.0.3] MX=7
x@mxt14.test.ex
  router = r2, transport = t1
  host ten-5-6.test.ex [V4NET.0.0.5] MX=4
  host ten-5-6.test.ex [V4NET.0.0.6] MX=4
x@manualroute
  router = r1, transport = t1
  host ten-1.test.ex [V4NET.0.0.1]
  host ten-1.test.ex [V4NET.0.0.1]
  host ten-2.test.ex [V4NET.0.0.2]