pta.com.pe is a domain controlled by two nameservers at tdp.net.pe. They are on different IP networks. Incoming mail for pta.com.pe is handled by one mailserver at pta.com.pe themselves. lwr.org.pe, azperu.com, qas.com.pe, tdp.net.pe, mffsrl.com and at least 56 other hosts share nameservers with this domain. mail.pta.com.pe are subdomains to this hostname. com.pe is a domain controlled by four nameservers. All of them are on different IP networks.