NS Record Lookup
List the authoritative name servers for any domain. Enter a domain and the lookup returns its NS records with their TTLs, which tell you which DNS provider the domain is delegated to. The query runs live against a public DNS resolver over a secure connection from your browser; results may be cached, so a TTL is shown.
How it works
- 1
Enter the domain
Type the domain whose name servers you want to find, such as example.com.
- 2
Look up the NS records
Press Look up. A public resolver returns the name servers the domain is delegated to.
- 3
Read the name servers
Each row is one authoritative name server with its TTL. The hostnames usually reveal the DNS provider.
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Frequently asked questions
- What is an NS record?
- An NS (name server) record names a server that is authoritative for a domain’s DNS zone — the server that actually holds the answers for that domain. A domain usually has two or more for redundancy. Resolvers follow the delegation from the registry down to these servers to find every other record.
- How do I find who runs a domain’s DNS?
- Look up the NS records and read the hostnames. They almost always reveal the provider: names ending in cloudflare.com, awsdns, domaincontrol.com and so on map to well-known DNS hosts. That is faster than guessing from the registrar.
- Why might the name servers I see be out of date?
- The answer comes from a public resolver over a secure connection and may be cached for as long as the TTL shows. Just after a delegation change, a resolver can keep serving the previous name servers until that cache expires, so allow time for the new values to spread.
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