This brandable and driven domain would be perfect for a sports or media brand.
Ersn has only four characters and just one syllable. One-syllable names are extremely rare and extremely valued. Established brands using one syllable names include Box, Nike and Square.
Ersn.com is a dot com domain. Dot com domains are the most valued domain extension in the world, famously used by websites like twitter.com. When you own a dot com, it is much easier to rank for your own name in search engines.