Registered Domain Names Search

Registered domains search checks the lists of registered domains for names containing particular words/phrases/numbers or symbols. Technically it's just a GUI interface for domains-index.com database containing more than 260M of registered domains and 1000+ TLDS including newGTLDs. It's free to use and could be helpful domains/marketing research tool.
Search results are limited to 50 results. You can have up to 100 results via API (link in footer) and full list by custom request.
Powered by domains-index.com

For example, facebook
You also can use our search API:
https://api.domainsdb.info/v1/domains/search?domain={querry}, for example: https://api.domainsdb.info/v1/domains/search?domain=facebook
Read API Documentation