ns.sigmasoft.com has no NS records.
NS records for this zone are defined at sigmasoft.com.
NS records for this zone are defined at sigmasoft.com.
Question and response
Question
dig ns.sigmasoft.com. NS
Answer
The response has no answer records.
Authority
sigmasoft.com. 3600 SOA ns.sigmasoft.com. hostmaster.sigmasoft.com. 2025102801 3600 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0