This data feed subscription is licensed to you or your organization only, you may not resell or relicense the data without explicit written permission from Whois API LLC. Any violation will be prosecuted to the fullest extent of the law.

Please go to https://www.whoisxmlapi.com/support/WhoisAPIDatabaseSLA.pdf to view the complete license agreement.


  • Data Dictionaries for Database Download Products: HTML, ODT, TXT, PDF


Downloading via FTP

  • Host: datafeeds.whoisxmlapi.com
  • Port: 21210
  • Username: 'user'
  • Password: equal to your personal API Key which you can obtain from the My Products page.

Average file sizes

  • Number of records / IPs: 1.888.998.603
  • Domains / Subdomains: 1.421.250.100
  • File size (Packed / UnPacked): 18.5Gb / 80Gb

Output structure and fields' descriptions

  • Structure: <DOMAIN>,<LAST_UPDATE_TIMESTAMP>,<IP1> <IP2> ... <IPn>
  • Example: zs12p1.gotoip1.com.cname.yunjiasu-cdn.net,1530959456,
DOMAIN Domain or subdomain name.
LAST_UPDATE UNIX timestamp of the last visit/update on current record. If there is more than one IP address, the timestamp corresponds to all of them.
IP1, IP2, IPn List of IPs associated with the domain, separated by space.

Request a download of the DNS Database

Have questions?

We work hard to improve our services for you. As part of that, we welcome your feedback, questions and suggestions. Please let us know your thoughts and feelings, and any way in which you think we can improve our product.

For a quick response, please select the request type that best suits your needs. For more info regarding the request types, see the Contact us page.

Or shoot us an email to