Periods cannot be registered under domain name rules.
When you see periods in a URL it is referred to as a subdomain.
Subdomains are intended to be used to host different content than what is found in the main domain and as an alternative to having to register a bunch of individual domain names.
What special characters are allowed in domain names?
The characters allowed in a domain name include letters (abc), numbers (123), and dashes/hyphens (—). No spaces are allowed and the domain name can’t begin or end with dash/hyphen.
Which are not allowed in domain names?
ANSWER: Regardless of the extension, all domain names must follow the same character rules You can use letters (abc), numbers (123) and dashes/hyphens (—). Spaces are not allowed and the domain can’t begin or end with a dash.
Can domain names have?
No. Unfortunately you can’t use ampersands (&) as part of your domain name. Characters that you can use in your domain name include letters, numbers and hyphens.
Can I use hyphens in domain names?
Domain names are only allowed to use letters, numbers, and hyphens.