dc01.egihosting.com has no CNAME records.
Question and response
Question
dig dc01.egihosting.com. NS
Answer
The response has no answer records.
Authority
egihosting.com. 140 SOA ns1.egihosting.com. noc.egihosting.com. 2026030401 600 600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0