arsinbft01.arcapital.com.sg has no MX records.
Question and response
Question
dig arsinbft01.arcapital.com.sg. MX
Answer
The response has no answer records.
Authority
arcapital.com.sg. 1800 SOA nina.ns.cloudflare.com. dns.cloudflare.com. 2394423115 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0