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Name Server Spy

Enter a DNS server name and get a report on the web sites that list this name server as authoritative.
NS Host Name (e.g. ns1.somedomain.com):  
What is this
Since 1998, our crawlers have been crawling the web making note of web sites, the domain names within these sites, the name servers listed as authoritative for these sites, and more.

When you enter a name server in the above form, we look in our database and report on all the web sites we know of that list this specific name server as authoritative1. This capability spans the entire globe, across ALL top level domains. Because the information is based on our survey methodology, you will find that we report on only a subset of all possible sites and domains. Most notably, parked sites and web sites not referenced by anyone are almost always excluded.

What is it used for?
You can use this service to determine:

  • What domains are registered with web hosting companies.
  • ISPs will often provide DNS services to their business customers. Use this to see what domains are listed on an ISP's name servers.
  • DNS hosting companies can monitor their competition to see who's up and coming in the DNS hosting business.
Price

Subscriptions Price Credits Records
Basic$20.002005,000
Standard$200.0020,000500,000
Advanced   $2000.00     2,000,000     50,000,000
Enterprise   $50,000.00     Unlimited 1 Year     All Data
Premium Reports   $500.00     1 Year Flat Fee     All Reports

For any customized report, please contact us.


How to Order
To subscribe to our research data service, you need to login in as a registered user

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  1. Create an account in "Member Services", by filling the "New User" form. Wait for a confirmation email, arriving in 2-3 minutes, Confirm your registration by following the email instructions.
  2. If/When you have an account, log in at the "Registered User" form and click on the "Order Now" button. We accept MasterCard, Visa or American Express over our secure web server, or you can call us to submit a credit card payment via our toll free line.
              

1 In common terminology, name servers are associated with domains, and usually all web sites within the same domain (e.g. www1.sample.com and www2.sample.com) will be served by the same set of name servers.



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