go
mail.pis.ps, mail.p-i-s.net, mail.psctv.com, mail.elawda.com, mail.palsrv.com and at least two other hosts point to 217.21.5.36.

mail.elawda.com
a records
 
+ 217.21.5.36 AS?  
+ ---  

mail.karamaco.com
a records
 
+ 217.21.5.36 AS?  
+ ---  

mail.p-i-s.net
a records
 
+ 217.21.5.36 AS?  
+ ---  

mail.palsrv.com
a records
 
+ 217.21.5.36 AS?  
+ ---  

mail.pchrgaza.net
a records
 
+ 217.21.5.36 AS?  
+ ---  

mail.pis.ps
a records
 
+ 217.21.5.36 AS?  
+ ---  

mail.psctv.com
a records
 
+ 217.21.5.36 AS?  
+ ---  
ip numbers of host
217.21.5.36
hostnames sharing ip with a-records
mail.elawda.com
mail.karamaco.com
mail.p-i-s.net
mail.palsrv.com
mail.pchrgaza.net
mail.pis.ps
mail.psctv.com
domains using this as mailserver
p-i-s.net
palsrv.com
pchrgaza.net
pis.ps
psctv.com