mx.fluffyandknuckles.com has no NS records.
NS records for this zone are defined at fluffyandknuckles.com.
NS records for this zone are defined at fluffyandknuckles.com.
Question and response
Question
dig mx.fluffyandknuckles.com. NS
Answer
The response has no answer records.
Authority
fluffyandknuckles.com. 3600 SOA dns.fluffyandknuckles.com. hostmaster.fluffyandknuckles.com. 1264205991 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0