mail1.snr.ro has no MX records.
Question and response
Question
dig mail1.snr.ro. MX
Answer
The response has no answer records.
Authority
snr.ro. 3600 SOA ns1.snr.ro. root.ns1.snr.ro. 2011111118 3600 1800 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0