mx.seaossed.com has no NS records.
NS records for this zone are defined at seaossed.com.
NS records for this zone are defined at seaossed.com.
Question and response
Question
dig mx.seaossed.com. NS
Answer
The response has no answer records.
Authority
seaossed.com. 3600 SOA dns.seaossed.com. hostmaster.seaossed.com. 1987975801 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0