By using our reverse NS services, you can identify other domains that share your nameserver or use the same hosting company.Get started
500 free API requests. No credit card required.
Our easy-to-use graphical user interface (GUI) tool returns a comprehensive list of domains that use the same nameserver or host.
One API call helps you establish all domains with a common nameserver as well as the matching timestamp for each domain.
Our DNS database contains billions of historical records and can be downloaded in a user-friendly and well-parsed comma-separated values (CSV), making it easily compatible with virtually any existing application.
Our reverse NS services retrieve data from our large repository of historical DNS records, containing over 1 billion nameserver records with weekly record additions.
All of our nameserver records are adequately parsed and formatted for use as-is with your applications. The data is always presented with adequate formatting.
Track the domains you share nameservers with, including hosts that might be blocked, which could negatively affect your domain reputation and website accessibility.
Don’t overlook any of the domains your company owns. Our reverse NS solutions let you trace domain associations you may not even know existed.
Identify all indicators of compromise (IoCs) and potentially related artifacts, even if they haven’t been publicized.
Identify web properties that have been left dangling or forgotten, so you can secure them from compromise and avoid threats like website defacement.