smtp.alrnet.com has one IP number , which is the same as for alrnet.com, but the reverse is nameservices.net. vibem.com, alrven.com, pstsps.com, alrnet.com, tek123.com and at least 100 other hosts point to the same IP. alrnet.com use this as a mailserver. alrnet.com is a domain controlled by three nameservers having a total of five IP numbers. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for alrnet.com is handled by two mailservers. Two mailservers have the same IP number. smtp.alrnet.com is hosted on a server in United States.