go
mail.awmhost.biz has one IP number , but the reverse is km30221.vdswin.com. ns2.awmhost.biz, mail.xxx-tube.biz, www.porno-links.ru and mail.sex-industry.ru point to the same IP. awmhost.biz use this as a mailserver. awmhost.biz is a domain controlled by two nameservers at awmhost.biz themselves. They are on different IP networks. Incoming mail for awmhost.biz is handled by one mailserver also at awmhost.biz. awmhost.biz has one IP number. mail.awmhost.biz is hosted on a server in Germany.

mail.awmhost.biz
a records
 
+ 87.118.112.246 87.118.64.0/18 AS31103 km30221.vdswin.com
+ --- km30221.vdswin.com

awmhost.biz
a records
 
+ 84.19.161.31 84.19.160.0/19 AS31103  
+ ---  
ns-soa records
 
+   AS?  
+ ---  
ns records
ns1.awmhost.biz
+ 84.19.161.31 84.19.160.0/19 AS31103  
+ ---  
ns2.awmhost.biz
+ 87.118.112.246 87.118.64.0/18 AS31103 km30221.vdswin.com
+ --- km30221.vdswin.com
mx records
mail.awmhost.biz
+ 87.118.112.246 87.118.64.0/18 AS31103 km30221.vdswin.com
+ --- km30221.vdswin.com
ip numbers of host
87.118.112.246
ptrs of ip numbers
km30221.vdswin.com
hostnames sharing ip with a-records
mail.sex-industry.ru
mail.xxx-tube.biz
ns2.awmhost.biz
www.porno-links.ru
domains using this as nameserver under another name
3xtube.org
awmhost.biz
porno-links.ru
sex-industry.ru
xxx-tube.biz
domains using this as mailserver
awmhost.biz
domains using this as mailserver under another name
xxx-tube.biz