go
boinbb.com, www.boinbb.com, hostmaster.boinbb.com and 122x216x23x242.ap122.ftth.ucom.ne.jp point to 122.216.23.242.

*.boinbb.com
a records
 
+ 122.216.23.242 122.216.0.0/14 AS17506 122x216x23x242.ap122.ftth.ucom.ne.jp
+ --- 122x216x23x242.ap122.ftth.ucom.ne.jp

122x216x23x242.ap122.ftth.ucom.ne.jp
a records
 
+ 122.216.23.242 122.216.0.0/14 AS17506 -
+ --- -

boinbb.com
a records
 
+ 122.216.23.242 122.216.0.0/14 AS17506 122x216x23x242.ap122.ftth.ucom.ne.jp
+ --- 122x216x23x242.ap122.ftth.ucom.ne.jp

hostmaster.boinbb.com
a records
 
+ 122.216.23.242 122.216.0.0/14 AS17506 122x216x23x242.ap122.ftth.ucom.ne.jp
+ --- 122x216x23x242.ap122.ftth.ucom.ne.jp

www.boinbb.com
a records
 
+ 122.216.23.242 122.216.0.0/14 AS17506 122x216x23x242.ap122.ftth.ucom.ne.jp
+ --- 122x216x23x242.ap122.ftth.ucom.ne.jp
ip numbers of host
122.216.23.242
ptrs of ip numbers
122x216x23x242.ap122.ftth.ucom.ne.jp
hostnames sharing ip with a-records
*.boinbb.com
122x216x23x242.ap122.ftth.ucom.ne.jp
boinbb.com
hostmaster.boinbb.com
www.boinbb.com