relay.hosting.m247.com has no CNAME records.
Question and response
Question
dig relay.hosting.m247.com. NS
Answer
The response has no answer records.
Authority
hosting.m247.com. 2560 SOA a.ns.ns247.net. hostmaster.cp247.net. 2026020500 16384 2048 1048576 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0