Question and response
Question
dig mailing2.sercomtel.com.br. TXT
Answer
mailing2.sercomtel.com.br. 18000 TXT "v=spf1 include:spf.sendinblue.com mx ip4:172.246.36.139 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0