mx.adlibhosting.com has no NS records.
NS records for this zone are defined at adlibhosting.com.
NS records for this zone are defined at adlibhosting.com.
Question and response
Question
dig mx.adlibhosting.com. NS
Answer
The response has no answer records.
Authority
adlibhosting.com. 300 SOA ns1-09.azure-dns.com. hostmaster.adlibsoft.com. 2018021736 900 600 86400 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0