Question and response
Question
dig res-cmts.bus.ptd.net. NS
Answer
res-cmts.bus.ptd.net. 67813 NS dns5.ptd.net.
res-cmts.bus.ptd.net. 67813 NS dns6.ptd.net.
res-cmts.bus.ptd.net. 67813 NS dns4.ptd.net.
res-cmts.bus.ptd.net. 67813 NS dns1.ptd.net.
res-cmts.bus.ptd.net. 67813 NS dns2.ptd.net.
res-cmts.bus.ptd.net. 67813 NS dns3.ptd.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0