_dc-mx.d043d4f18314.howandanswer.com has no NS records.
NS records for this zone are defined at howandanswer.com.
NS records for this zone are defined at howandanswer.com.
Question and response
Question
dig _dc-mx.d043d4f18314.howandanswer.com. NS
Answer
The response has no answer records.
Authority
howandanswer.com. 1800 SOA neil.ns.cloudflare.com. dns.cloudflare.com. 2396541358 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0