Check Domain Name Taken. Or search for the domain in Whois Lookup. In order to check if there is an AAD tenant already registered with that SMTP domain you can use my script which can be found here.
If its taken you can search for your domain name using our WHOIS Lookup. If you want to use it just go to the domain age checker icon and click on it. Simply enter your desired domain including your preferred domain extension to view a substantial list of suitable extensions.
Use Namechk to search for an available username or domain and secure your brand across the internet as well as username registration Have a personal or brand username you love.
Look for some kind of indication that the domain is either taken or available. Namecheap is the cheapest domain name registrar that has over 8 million domains under its. Or try our Domain Broker Service where we can negotiate acquiring the domain from its current owner. You might get a Congratulations.