bounce.spread55.com has no CNAME records.
Question and response
Question
dig bounce.spread55.com. NS
Answer
The response has no answer records.
Authority
spread55.com. 5507 SOA ns1.onlydomains.com. root.onlydomains.com. 2018061401 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0