Summary
com.s5a1.psmtp.com has one IP number , which is the same as for
s5a1.psmtp.com, but the reverse is
s5a1.psmtp.com.
ca.s5a1.psmtp.com,
org.s5a1.psmtp.com,
edu.s5a1.psmtp.com,
com.mail1.psmtp.com,
net.mail1.psmtp.com and at least 100 other hosts point to the same IP.
psi.com.s5a1.psmtp.com,
3wz.com.s5a1.psmtp.com,
ajp.com.s5a1.psmtp.com,
1cb.com.s5a1.psmtp.com,
2cse.com.s5a1.psmtp.com and at least 100 other hosts are subdomains to this hostname.
com.s5a1.psmtp.com is hosted on a server in United States.