"v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all"
Question and response
Question
dig n4telecom.com.br. SPF
Answer
n4telecom.com.br. 300 SPF "v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0