c-15.smartcall.cc has no MX records.
Question and response
Question
dig c-15.smartcall.cc. MX
Answer
The response has no answer records.
Authority
smartcall.cc. 3600 SOA dns10.ovh.net. tech.ovh.net. 2026021800 7200 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0