ns.pucpr.br has one IP number , which is the same as for pucpr.br. ns.pucpr.br also has a corresponding reverse pointer , via cname to alpha.pucpr.br , which also has a corresponding reverse pointer. isad.br, pucpr.br, clubeb2.com, clubefm.com, pucsc.org.br and at least 21 other hosts point to the same IP. pucpr.br is delegated to three nameservers, however one delegated nameserver is missing in the zone. Two of them are on the same IP network. Incoming mail for pucpr.br is handled by three mailservers at pucpr.br themselves. All of them are on the same IP network. ns.pucpr.br is hosted on a server in Brazil.