e1.pasty.net has no MX records.
Question and response
Question
dig e1.pasty.net. MX
Answer
The response has no answer records.
Authority
pasty.net. 3600 SOA ns1.pasty.net. hostmaster.pasty.net. 2025121401 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0