net.internal.rits.tisf.net has no MX records.
Question and response
Question
dig net.internal.rits.tisf.net. MX
Answer
The response has no answer records.
Authority
tisf.net. 120 SOA jokulsa.asbyrgi.net. hostmaster.tisf.net. 2026022616 7200 3600 604800 3600
Additional
. 0 OPT ; payload 1500, xrcode 0, version 0, flags 0