Summary
com.brwww.hotmail.com.br are subdomains to this hostname.
hotmail.com.br is a domain controlled by three nameservers at
msft.net. All of them are on different IP networks. Incoming mail for
hotmail.com.br is handled by four mailservers having a total of twelve IP numbers. There are 36 duplicated IP numbers. Some of them are on the same IP network.
hotmail.com.br has three IP numbers. All of them are on the same IP network.