Incoming mail for mail.plps.org is handled by one mailserver at smtp.nac.net. mail.plps.org has one IP number , which also has a corresponding reverse pointer. aiov.com, krhs.net, erfs.com, lion.com, ptnj.org and at least 100 other hosts share mailservers with this domain. plps.org is delegated to three nameservers, however one delegated nameserver is missing in the zone. All nameservers are at nac.net. All of them are on the same IP network. Incoming mail for plps.org is handled by one mailserver also at smtp.nac.net. plps.org has one IP number. mail.plps.org is hosted on a server in United States.