1.0.61.178.195.in-addr.arpa has no MX records.
Question and response
Question
dig 1.0.61.178.195.in-addr.arpa. MX
Answer
The response has no answer records.
Authority
0.61.178.195.in-addr.arpa. 86400 SOA NS.ETF.BG.AC.RS. HOSTMASTER.ETF.BG.AC.RS. 2010070200 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0