Nameserver Lookup
Look up authoritative nameservers for any domain. Verify which DNS provider is managing a domain and troubleshoot delegation issues instantly.
Ready to lookup DNS records
Enter a domain name above and click "Lookup" to check DNS records across 28 global servers.
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Authoritative Nameserver Lookup
Nameservers are the 'source of truth' for your entire domain. Our NS lookup tool identifies exactly which DNS servers are currently responsible for hosting your zone file. This is the first step in any DNS troubleshooting: if you are editing records at one host but the world is looking at nameservers at another host, your changes will never take effect.
Identify DNS Provider
Instantly see if a domain is using premium DNS (like Cloudflare) or basic registrar-provided nameservers.
Global Authority Verification
Check that all assigned nameservers are responding with consistent data to prevent 'split-brain' DNS issues.
Verify Registrar Delegation
Confirm that the nameservers you set at your registrar have correctly propagated to the TLD root servers.
Nameservers (NS records) are the authoritative DNS servers that store all other DNS records for a domain. A nameserver lookup reveals which provider (e.g., Cloudflare, AWS, GoDaddy) currently controls your domain's DNS. Changes made at your domain registrar to point to new nameservers typically take 24 to 48 hours to propagate fully.
"Never mix nameservers from two different providers (e.g., using two from Cloudflare and two from GoDaddy). This causes 'Lame Delegation' and can lead to random, hard-to-debug resolution failures where some users see your new site and others see your old one indefinitely."
What is this tool?
This tool finds the 'Nameservers' for a domain. Nameservers are the master servers that hold all the DNS rules for a website.
How to use it
- Enter the domain name.
- Click 'Lookup'.
- The tool will display the 2 to 4 nameservers currently controlling the domain.
Real-World Use Cases
- Checking if your domain transfer to a new host was successful.
- Verifying if a domain is using Cloudflare for performance and security.
- Troubleshooting why your DNS changes aren't working (you might be editing the wrong zone!).
Example Outputs
The result will show the nameservers, e.g., 'ns1.digitalocean.com' and 'ns2.digitalocean.com'.
What is an NS Record?
A Name Server (NS) Record specifies which servers are authoritative for a given domain. In simple terms, it tells the internet where to go to find out your domain's A, MX, CNAME, and TXT records. When you register a new domain name, your registrar typically assigns default name servers. If you decide to use a third-party DNS provider like Cloudflare, Route53, or a specific web hosting company's DNS management, you must update your NS records at the registrar level to point to their infrastructure. NS records delegate the responsibility of DNS resolution to the designated servers.
How to use the GetDNSInfo NS Record Tool
To identify which servers are currently managing a domain's DNS zone, enter the domain name into our NS Record lookup tool. Powered by secure DNS-over-HTTPS, this tool will list the authoritative name servers along with their TTL settings. This check is a crucial first step in any troubleshooting process. If you are making DNS changes in a control panel and they aren't reflecting online, the NS tool will quickly confirm whether you are actually editing the correct, active DNS zone, or if your domain is pointing to a completely different set of name servers.
Common NS Record Errors and Fixes
Name server delegation issues are the root cause of many "domain not found" errors:
- Mismatched NS Records: A common error occurs when the NS records at the registrar do not match the NS records defined within the DNS zone itself. Fix: Ensure that the exact same authoritative name servers are configured at both your domain registrar's panel and within your active DNS hosting provider's zone file.
- Insufficient Redundancy: Relying on a single name server is a single point of failure. If that server goes down, your entire domain becomes unresolvable. Fix: Always provide at least two, preferably geographically dispersed, name servers (e.g.,
ns1.example.comandns2.example.com). - Lame Delegation: This happens when an NS record points to a server that is not configured to answer queries for that specific domain. Fix: Verify with your DNS hosting provider that your domain zone is fully set up and active on their network before changing your NS records at the registrar.
Frequently Asked Questions
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