ns.grupolumen.com.br has one IP number , which is the same as for grupolumen.com.br. ns.grupolumen.com.br also has a corresponding reverse pointer. isad.br, pucpr.br, ns.pucpr.br, clubeb2.com, clubefm.com and at least 22 other hosts point to the same IP. grupolumen.com.br is delegated to two nameservers, however both delegated nameservers are missing in the zone and one other nameserver is listed. Two nameservers have the same IP number. Some of them are on the same IP network. Incoming mail for grupolumen.com.br is handled by seven mailservers having a total of 28 IP numbers. Some of them are on the same IP network. ns.grupolumen.com.br is hosted on a server in Brazil.