haproxy1.mailbaby.net has no CNAME records.
Question and response
Question
dig haproxy1.mailbaby.net. NS
Answer
The response has no answer records.
Authority
mailbaby.net. 1800 SOA josh.ns.cloudflare.com. dns.cloudflare.com. 2397512005 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0