Nameserver Lookup
Identify authoritative nameservers for any domain.
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About Nameservers
Nameservers (NS records) are fundamental to the Internet. They delegate authority for a domain to a set of DNS servers. When you change your hosting provider or use a CDN like Cloudflare, you typically update your nameservers.
Delegation
NS records indicate which servers store the actual DNS records (like A, MX, TXT) for a domain.
Redundancy
Domains typically have at least two nameservers (e.g., ns1.example.com, ns2.example.com) to ensure availability.