autorelay.c.ovd.interhost.com has no CNAME records.
Question and response
Question
dig autorelay.c.ovd.interhost.com. NS
Answer
The response has no answer records.
Authority
c.ovd.interhost.com. 3600 SOA ns3.interhost.com. hostmaster.mad.interhost.com. 2025100350 7200 1800 1209600 10799
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0