Question and response
Question
dig 6level.net. NAPTR
Answer
6level.net. 3600 NAPTR 0 0 "S" "SIPS+D2T" "" _sips._tcp.6level.net.
6level.net. 3600 NAPTR 2 0 "S" "SIP+D2U" "" _sip._udp.6level.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0