How do I find the authoritative name-server for a domain name?

Question

How can I find the origins of conflicting DNS records?

Answer 1

We've built a dns lookup tool that gives you the domain's authoritative nameservers and its common dns records in one request.

Example: https://www.misk.com/tools/#dns/stackoverflow.com

Our tool finds the authoritative nameservers by performing a realtime (uncached) dns lookup at the root nameservers and then following the nameserver referrals until we reach the authoritative nameservers. This is the same logic that dns resolvers use to obtain authoritative answers. A random authoritative nameserver is selected (and identified) on each query allowing you to find conflicting dns records by performing multiple requests.

You can also view the nameserver delegation path by clicking on "Authoritative Nameservers" at the bottom of the dns lookup results from the example above.

Example: https://www.misk.com/tools/#dns/stackoverflow.com@f.root-servers.net