sleipnir.asbyrgi.net has no MX records.
Question and response
Question
dig sleipnir.asbyrgi.net. MX
Answer
The response has no answer records.
Authority
asbyrgi.net. 120 SOA jokulsa.asbyrgi.net. hostmaster.tisf.net. 2026021916 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1500, xrcode 0, version 0, flags 0