Authoritative DNS Lookup
Discover which DNS servers are authoritative for a domain.
Shortcuts: / or Ctrl+L to focus, Esc to return
Frequently Asked Questions
- What is an authoritative DNS server?
- An authoritative DNS server hosts the original DNS records for a domain and provides the official answers to DNS queries for that domain.
- How can I find the authoritative DNS servers for a domain?
- Use NS lookups to list the domain's NS records. This tool queries your domain to show the authoritative name servers.
- Why are authoritative DNS servers important?
- They are the source of truth for DNS data. Correct configuration ensures reliable name resolution and supports security features like DNSSEC.
- What is the difference between authoritative and recursive DNS servers?
- Authoritative servers store original records, while recursive servers query them on behalf of clients and cache the results.
- How do authoritative DNS servers work?
- When queried, authoritative servers respond with the records they host; recursive servers use those responses to answer clients.
- Can a domain have multiple authoritative DNS servers?
- Yes. Multiple authoritative servers provide redundancy and improve reliability.