ms01.mailsafe.usa.net has no NS records.
NS records for this zone are defined at mailsafe.usa.net.
NS records for this zone are defined at mailsafe.usa.net.
Question and response
Question
dig ms01.mailsafe.usa.net. NS
Answer
The response has no answer records.
Authority
mailsafe.usa.net. 3600 SOA cndvg001.usa.net. hostmaster.usa.net. 2026030401 1800 600 604800 3600
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0