mx1.daemonmail.net has no NS records.
NS records for this zone are defined at daemonmail.net.
NS records for this zone are defined at daemonmail.net.
Question and response
Question
dig mx1.daemonmail.net. NS
Answer
The response has no answer records.
Authority
daemonmail.net. 3600 SOA ns1.domaindiscover.com. hostmaster.tierra.net. 2025092318 7200 1800 604800 28800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0