ReverseNS

The ReverseNS API call returns domains hosted on the same name server (NS record). It will only returns domains currently using a NS record. Use the ReverseHistory API to find domains using a NS record in the past. This is a Premium API call, you have to buy API credits.

API request

https://api.dnslytics.net/v1/reversens/<nsrecord>?apikey=<apikey>

• Parameters:

  • nsrecord

    NS record, for example cody.ns.cloudflare.com

  • apikey

    Your API key

• Optional parameters:

  • page

    A single API call returns a maximum of 2,500 domains. With the page parameter you can step through the results and get results up to 100,000 domains. Page value can be between 1 and 40.

API response

• A JSON object with the following fields:

  • status

    Status of API call: succeed or error.

  • question

    Array of the question data with the following fields: nsrecord and page.

  • typeinfo

    Data type returned, always ‘reversens’.

  • ndomains

    Total number of domains found.

  • domains

    Domain names found with the following fields (domain, firstseen, lastseen). Maximum of 2,500 domains are returned. Use the page parameter to get up to 100,000 domain names.

Example

URL

$ curl https://api.dnslytics.net/v1/nsrecord/cody.ns.cloudflare.com?apikey=<apikey>

Output

{
        "status": "succeed",
        "data":
        {
                "question":
                {
                  "nsrecord": "cody.ns.cloudflare.com",
                  "page": 1
                },
                "typeinfo": "reversens",
                "ndomains": 32367,
                "domains":[
                        "dnslytics.com",
                        "myip.report",
                        "..."
                ]
        }
}