dns.zaibsmm.com has no NS records.
NS records for this zone are defined at zaibsmm.com.
NS records for this zone are defined at zaibsmm.com.
Question and response
Question
dig dns.zaibsmm.com. NS
Answer
The response has no answer records.
Authority
zaibsmm.com. 3600 SOA dns.zaibsmm.com. hostmaster.zaibsmm.com. 1117522361 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0