mx1.iomartcloud.com has no NS records.
NS records for this zone are defined at iomartcloud.com.
NS records for this zone are defined at iomartcloud.com.
Question and response
Question
dig mx1.iomartcloud.com. NS
Answer
The response has no answer records.
Authority
iomartcloud.com. 3600 SOA heracles.iomart.com. hostmaster.iomart.com. 2025100200 43200 1800 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0