go
golf.hostmaster.net.ua has one IP number , which also has a corresponding reverse pointer. com.ua and kvartirant.kiev.ua use this as a nameserver. hostmaster.net.ua is a domain controlled by four nameservers. Two of them are on the same IP network. Incoming mail for hostmaster.net.ua is handled by two mailservers having a total of four IP numbers. Two of them are on the same IP network. hostmaster.net.ua has one IP number. golf.hostmaster.net.ua is hosted on a server in Ukraine.

golf.hostmaster.net.ua
a records
 
+ 81.23.23.225 81.23.16.0/20 AS15895 -
+ --- -

hostmaster.net.ua
a records
 
+ 193.29.220.7 193.29.220.0/24 AS29067  
+ ---  
ns-soa records
ho1.ns.hostmaster.net.ua
+ 195.47.253.6 195.47.253.0/24 AS29067 -
+ --- -
ns records
ns.kolo.net
+ 216.218.215.20 216.218.128.0/17 AS6939 -
+ --- -
ns-he.kolo.net
+ 216.218.215.2 216.218.128.0/17 AS6939 -
ho1.ns.hostmaster.net.ua
+ 195.47.253.6 195.47.253.0/24 AS29067 -
canada.hostmaster.net.ua
+ 93.183.202.34 93.183.192.0/19 AS21219 -
mx records
relay.hostmaster.net.ua
+ 93.178.204.250 93.178.204.0/24 AS12883  
+ ---  
+ 217.20.167.125 217.20.160.0/20 AS15772 hadocenter-gw.cs1-446.kv.wnet.ua
+ --- hadocenter-gw.cs1-446.kv.wnet.ua
+ 217.20.168.33 217.20.160.0/20 AS15772 echo.hostmaster.net.ua
+ --- echo.hostmaster.net.ua
relay2.hostmaster.net.ua
+ 93.183.202.34 93.183.192.0/19 AS21219 canada.hostmaster.net.ua
+ --- canada.hostmaster.net.ua
ip numbers of host
81.23.23.225
ptrs of ip numbers
golf.hostmaster.net.ua
ip numbers using ptr to this host
81.23.23.225
domains using this as nameserver
com.ua
kvartirant.kiev.ua
used as nameserver but missing in parent delegation
kvartirant.kiev.ua