mx.blog-thebusinessmd.net has no NS records.
NS records for this zone are defined at blog-thebusinessmd.net.
NS records for this zone are defined at blog-thebusinessmd.net.
Question and response
Question
dig mx.blog-thebusinessmd.net. NS
Answer
The response has no answer records.
Authority
blog-thebusinessmd.net. 3600 SOA dns.blog-thebusinessmd.net. hostmaster.blog-thebusinessmd.net. 1142368931 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0