mail2.businessexprezz.com has no NS records.
NS records for this zone are defined at businessexprezz.com.
NS records for this zone are defined at businessexprezz.com.
Question and response
Question
dig mail2.businessexprezz.com. NS
Answer
The response has no answer records.
Authority
businessexprezz.com. 3600 SOA ns1.businessexprezz.com. network\.support.businessexprezz.com. 2930846986 28800 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0