nortevision.net.gt has no MX records.
Question and response
Question
dig nortevision.net.gt. MX
Answer
The response has no answer records.
Authority
nortevision.net.gt. 3600 SOA ns1.nortevision.net.gt. soporte.nortevision.net. 1744829744 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0