Subdomain mining tools, such as: Maltgo CE, wydomain, subDomainsBrute, dnsmaper, layer excavator subdomain
Search engines such as mining: Enter the site in Google: sina.com
Subdomain mining tools, such as: Maltgo CE, wydomain, subDomainsBrute, dnsmaper, layer excavator subdomain
Search engines such as mining: Enter the site in Google: sina.com