dai.cefet-ma.br is delegated to one nameserver, however one delegated nameserver is missing in the zone. All nameservers are at dai.cefet-ma.br themselves. siep.dai.cefet-ma.br, root.dai.cefet-ma.br, caxias.dai.cefet-ma.br, bacabal.dai.cefet-ma.br and carolina.dai.cefet-ma.br are subdomains to this hostname. cefet-ma.br is delegated to two nameservers, however three extra nameservers are listed in the zone. Two nameservers have the same IP number. Some of them are on the same IP network. Incoming mail for cefet-ma.br is handled by nine mailservers having a total of 29 IP numbers. Two mailservers have the same IP number. Some of them are on the same IP network.