If you ever receive an email like this, ignore it. These often show up a month or two after registering a new domain name. It is important to not even bother replying. The scammers in this case scan the web for new domain names and then use your registration info to contact you and tell you that you need to register.
Here is a copy of what one of the emails looks like below:
Important: Complete Search Engine Registration for your domain
This email is being sent out to you because search registration for pokemongoqa.com is pending.
Please register these domains to search engines like Google, Bing and Yahoo ASAP to avoid late fees.
Registering for search engines would help you show up in search results and increase your online presence.
You can register your domain at link given below:
We sincerely appreciate your business! If you require anything, we are at your service.
Remember: If you do not register your domain with the search engines, it may not appear in the search engine listing when people are looking for you. Failure to complete your domain name search engine registration by the expiration date may make it difficult for your customers to locate you on the web. Complete your search engine registration today.
Search Registration Team