Summary
gmail-smtp-in.l.google.com has one IP number , but the reverse is
mail-vw0-f94.google.com.
mx1.fec.pt,
mail-1.656.org,
mail.huayic.com,
mail.loachs.com,
mail2.vinahost.vn and at least one other host point to the same IP.
gmail.ie,
ypap.net,
gmail.ug,
gmail.ge,
wamy.org and at least 100 other hosts use this as a mailserver.
alt1.gmail-smtp-in.l.google.com,
alt3.gmail-smtp-in.l.google.com,
alt2.gmail-smtp-in.l.google.com and
alt4.gmail-smtp-in.l.google.com are subdomains to this hostname.
l.google.com is a domain controlled by four nameservers at
google.com. All of them are on different IP networks.
gmail-smtp-in.l.google.com is hosted on a server in United States.