Summary
smtp.irwn.com has one IP number , via cname to
smtp.secureserver.net , but the reverse is
m1pismtp01-v01.prod.mesa1.secureserver.net.
tinfield.com,
smtp.4te.com,
mx1.box2.com,
mail.xdr2.net,
shadowhawk.us and at least 100 other hosts point to the same IP.
irwinloan.net,
irwinloans.net,
irwinloans.com,
iequityloan.com,
fastprocess.com and at least eight other hosts use this as a mailserver.
irwn.com is a domain controlled by two nameservers at
domaincontrol.com. They are on different IP networks. Incoming mail for
irwn.com is handled by two mailservers at
secureserver.net. They are on different IP networks.
irwn.com has one IP number.
smtp.irwn.com is hosted on a server in United States.