mtl.mailcloud.com.br.
Question and response
Question
dig ms.irtar.com. TXT
Answer
ms.irtar.com. 1800 TXT "mtl.mailcloud.com.br."
ms.irtar.com. 1800 TXT "v=spf1 include:spf.envie.email -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0