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@Acrowe People who are providing virtual address may or may not be fake.
Best method is
1-Register a company in that address
2-Create GMB on that address
3-Verify it though postal code
Note: There are also other ways to approve GMB.

You can use different tools for this purpose

1. Search Whoise lookup on google
   2-Enter your domain name
   3-Boom it will show all details related to domain name.
   Note: All data may not be 100% right.

Please use 301 redirection method and use big compnies domain. then you need to submit it in moz indexer tool . then you will see in increase in moz authority