mail.high.cl has one IP number , which is the same as for high.cl, but the reverse is ns.altavoz.cl. tyt.cl, dgm.cl, high.cl, cfin.cl, cspnq.cl and at least 100 other hosts point to the same IP. high.cl use this as a mailserver. high.cl is delegated to two nameservers, however one delegated nameserver is missing in the zone. They are on different IP networks. Incoming mail for high.cl is handled by one mailserver at high.cl themselves. mail.high.cl is hosted on a server in Chile.