POPA ReconWhat is this...
What is this... aaa.bbb.com If there is a domain like this .com is the top level domain bbb is the secondary domain aaa is called a 3rd level domain or subdomain. Usually, when you purchase a domain, you purchase a secondary domain. Buyers of secondary domains can create and use additional subdomains. It costs roughly a few hundred million to apply to ICANN. It's not just a matter of doing it, it also costs a lot of money to build the infrastructure. By my standards, giving a secondary domain with a username for free is a huge deal... That means you can use that domain as a site.…
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