dns.smartguard.io has no NS records.
NS records for this zone are defined at smartguard.io.
NS records for this zone are defined at smartguard.io.
Question and response
Question
dig dns.smartguard.io. NS
Answer
The response has no answer records.
Authority
smartguard.io. 3600 SOA ns1.smartguard.io. hostmaster.smartguard.io. 2025041801 14400 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0