1. Select expired domains with at least 3/4 years of registration
2. Once find one, check if has a good reputation:
   1. https://sitecheck.sucuri.net/
   2. https://sitereview.bluecoat.com
   3. http://www.urlvoid.com/
   4. https://www.talosintelligence.com/reputation_center
   5. http://www.urlvoid.com/
   6. https://global.sitesafety.trendmicro.com/
   7. https://www.fortiguard.com/iprep
   8. https://urlfiltering.paloaltonetworks.com/query/
   9. https://www.virustotal.com/
   10. https://dracoeye.com/
   11. https://www.netskope.com/url-lookup