Mail/.com

A simple one!

.com is a top-level domain (TLD) that is one of the most popular and widely used on the internet. It is an abbreviation for "commercial," and was originally intended for use by companies and businesses.

Here are some interesting facts about .com:

1. Most popular TLD: .com is the most widely used TLD, with over 150 million registered domains.
2. First TLD: .com was one of the first TLDs introduced in 1985, along with .org, .net, and .edu.
3. No restrictions: Unlike some other TLDs, .com does not have any specific restrictions on who can register a domain name. Anyone can register a .com domain name, as long as it's available.
4. Valuable real estate: .com domain names are highly valuable, and can be sold for millions of dollars. For example, the domain name insurance.com was sold for $35.6 million in 2010.
5. Not just for companies: While .com was originally intended for commercial use, it's now used by individuals, organizations, and governments alike.

So, there you have it! .com is a fundamental part of the internet infrastructure, and is an important TLD for anyone looking to establish an online presence.