Question and response
Question
dig sip.everywan.net. NS
Answer
sip.everywan.net. 6400 NS ns2.dnsfacil.com.
sip.everywan.net. 6400 NS ns1.dnsfacil.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0