obsdams.openbsd.amsterdam has no MX records.
Question and response
Question
dig obsdams.openbsd.amsterdam. MX
Answer
The response has no answer records.
Authority
openbsd.amsterdam. 3600 SOA ns1.high5.nl. hostmaster.high5.nl. 2026022200 14400 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0