Question and response
Question
dig servicioatt.com.mx. TXT
Answer
servicioatt.com.mx. 3600 TXT "v=spf1 include:spf.protection.outlook.com -all"
Authority
servicioatt.com.mx. 86400 NS mail2.alestra.net.mx.
servicioatt.com.mx. 86400 NS mail1.alestra.net.mx.
servicioatt.com.mx. 86400 NS dns.alestra.net.mx.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0