The dots do matter

[Mr. Deleted]

I can see this being used in domain names too...

https://jameshfisher.com/2018/04/07/the-dots-do-matter-how-to-scam-a-gmail-user.html

 

[Castion]

Always use your own domain name address for whois info. Free email providers are more risky, prone to more hacker attacks and are just more vulnerable in general than your own host.

 

[Mr. Deleted]

True, and I add the extra layer of protection by making it private.