cevaperu.com.pe is delegated to one nameserver, however one extra nameserver is listed in the zone. All nameservers are at tdp.net.pe. They are on different IP networks. Incoming mail for cevaperu.com.pe is handled by one mailserver at cevaperu.com.pe themselves. zarpe.org, lwr.org.pe, azperu.com, qas.com.pe, tdp.net.pe and at least 55 other hosts share nameservers with this domain. mail.cevaperu.com.pe are subdomains to this hostname. com.pe is a domain controlled by four nameservers. All of them are on different IP networks.