fshmon02.fullsave.info has no MX records.
Question and response
Question
dig fshmon02.fullsave.info. MX
Answer
The response has no answer records.
Authority
fullsave.info. 3600 SOA dns.fullsave.org. root.fullsave.com. 2024081601 3600 900 604800 43200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0