- 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
+ host ten-1.test.ex [V4NET.0.0.1] MX=5 dnssec=no
+ host ten-2.test.ex [V4NET.0.0.2] MX=6 dnssec=no
+ host ten-3.test.ex [V4NET.0.0.3] MX=7 dnssec=no