Question and response
Question
dig spf.whservidor.com. NS
Answer
spf.whservidor.com. 1800 NS ns2.host.uol.com.br.
spf.whservidor.com. 1800 NS ns1.host.uol.com.br.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0