DNS Tools
NS Record Lookup
Lookup the authoritative name servers for a domain so you can confirm DNS delegation.
Lookup type
NS
Best for
Delegation checks
Output
Authoritative hosts
On This Page
DNS Tools
Lookup authoritative name servers
Review the published NS records for a domain when checking DNS delegation, registrar updates, or provider migrations.
What You Get
Built for deliverability and integration work
Delegation visibility
See which name servers are authoritative for the domain right now.
Migration support
Useful when confirming whether registrar or DNS provider changes have taken effect.
Operational context
Pair this with MX, SPF, and DMARC lookups when auditing a domain end to end.
FAQ
NS Record Lookup questions
What do NS records control?
NS records identify the authoritative name servers responsible for answering DNS queries for the domain.
Why should I check NS records?
They help confirm which provider currently controls DNS and whether delegation changes have propagated.
Do NS records affect email setup indirectly?
Yes. If a domain points to the wrong name servers, MX, SPF, DKIM, and DMARC changes may never take effect.
Next Step
Start free, then wire NexMailPro into your stack
Use the free tool for manual checks, then move into the REST API, JavaScript SDK, PHP SDK, Laravel package, or WordPress plugin when you are ready to automate.