ns2.mtfibra.mx has no MX records.
Question and response
Question
dig ns2.mtfibra.mx. MX
Answer
The response has no answer records.
Authority
mtfibra.mx. 300 SOA ns2.mtfibra.mx. hostmaster.mtfibra.mx. 2025026265 14400 3600 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0