go
eto-ya.com use this as a mailserver. uahoster.com is delegated to two nameservers, however one delegated nameserver is missing in the zone and two other nameservers are listed. All nameservers are having a total of five IP numbers. All of them are on different IP networks. Incoming mail for uahoster.com is handled by one mailserver at uahoster.com themselves. uahoster.com has one IP number.

uahoster.com
a records
 
+ 208.43.112.118 208.43.64.0/18 AS36351  
+ ---  
ns records
ns8.uahoster.com.uahoster.com
+   AS?  
+ ---  
ns1.dns-diy.net
+ 74.200.220.212 74.200.216.0/21 AS16805 ns2.dns-diy.net
+ --- ns2.dns-diy.net
+ 203.169.139.84 203.169.128.0/19 AS4645 203169139084.inscyber.hk
+ --- 203169139084.inscyber.hk
ns22.uahoster.com
+ 193.169.218.94 193.169.218.0/23 AS21098  
+ ---  
ns8.uahoster.com
+ 208.43.90.96 208.43.64.0/18 AS36351 s4.uahoster.com
+ --- s4.uahoster.com
mx records
mail.uahoster.com
+ 208.43.112.118 208.43.64.0/18 AS36351  
+ ---  
ip numbers using ptr to this host
216.12.204.146
216.12.204.147
216.12.204.148
216.12.204.149
216.12.204.150
216.12.204.151
216.12.204.152
216.12.204.153
216.12.204.154
216.12.204.155
216.12.204.156
216.12.204.157
domains using this as mailserver
eto-ya.com
nameservers missing in parent delegation
ns22.uahoster.com
ns8.uahoster.com.uahoster.com
nameservers missing in zone
ns8.uahoster.com