API: ReverseMX

The ReverseMX API call returns domains hosted on the same mail server (MX record). This is a Premium API call, you have to buy API credits here (https://dnslytics.com/api).

API request and parameters



mxrecord:MX record, for example aspmx.l.google.com
apikey:Your API key

Optional parameter:

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: mxrecord and page.
typeinfo:Data type returned, always ‘reversemx’.
ndomains:Total number of domains found using the MX record.
domains:Array of domains using the MX record. Maximum of 2,500 domain names are returned.


$ https://api.dnslytics.net/v1/mxrecord/mx1.emailowl.com?apikey=<apikey>
        "status": "succeed",
                  "mxrecord": "mx1.emailowl.com",
                  "page": 1
                "typeinfo": "reversemx",
                "ndomains": 30367,