Domain Tools
Nameserver Lookup
Find out which nameservers a domain uses.
Enter a domain to find out which nameservers it uses.
JustChecker tracks your DNS records continuously and alerts you the moment something changes.
Frequently Asked Questions
They report the same underlying data - this tool is framed as a quick, standalone way to answer "which company manages my DNS" specifically, while the NS Record Lookup presents it alongside the other DNS-record-specific tools.
Most DNS hosting providers use their own branded nameserver hostnames (e.g. ns1.provider.com) - seeing a recognizable provider name in the results is expected and simply confirms who's managing your DNS.
Often yes - many CDN and security providers (Cloudflare, for example) require you to point your domain's nameservers at their own infrastructure as part of onboarding, which is visible directly in this lookup.
This is unusual and can indicate a mid-migration state, a misconfiguration, or occasionally a deliberate redundancy setup - worth double-checking that DNS records are actually consistent across both if this appears.
Most domains use 2-4 nameservers for redundancy; having only one is a single point of failure, while having many is unusual but not inherently wrong - what matters most is that every listed nameserver actually answers correctly.
Nameserver-level changes are subject to their own industry-wide propagation delay (commonly cited as up to 24-48 hours) separate from any individual DNS record's own TTL value.