Summary
auth.ig.com.br has one IP number , which also has a corresponding reverse pointer.
ig.com.br is a domain controlled by two nameservers at
ig.com.br themselves. They are on the same IP network. Incoming mail for
ig.com.br is handled by seven mailservers having a total of 28 IP numbers. Some of them are on the same IP network.
ig.com.br has one IP number.
auth.ig.com.br is hosted on a server in Brazil.