db.alisatm.com has no CNAME records.
Question and response
Question
dig db.alisatm.com. NS
Answer
The response has no answer records.
Authority
alisatm.com. 2237 SOA hydrogen.ns.hetzner.com. dns.hetzner.com. 2026012013 86400 10800 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0