DNS Protocol Library
NS Record Lookup Tool
Perform a free online NS lookup to identify a domain's authoritative nameservers. Verify nameserver delegation zones and routing paths.
Query Live NS Records
Perform a real-time network request to fetch active NS mappings for any target domain.
Open Diagnostic ConsoleWhat is a DNS NS Record?
A Nameserver (NS) record delegates a DNS zone to use a specific set of authoritative nameservers, defining where the domain's resource records reside.
RFC Zone File Example Format
In standard zone files, a NS record is declared using the following syntax structure:
example.com. 86400 IN NS ns1.example.com.CLI Terminal Query Example
Verify this record type locally using standard terminal debugging tools:
dig example.com NS