go
gw.nia.ad.jp has one IP number , which also has a corresponding reverse pointer. nia.ad.jp is delegated to three nameservers, however two extra nameservers are listed in the zone. Some of them are on the same IP network. Incoming mail for nia.ad.jp is handled by one mailserver at nia.ad.jp themselves. nia.ad.jp has one IP number , but the reverse is rigel.nia.ad.jp. gw.nia.ad.jp is hosted on a server in Japan.

gw.nia.ad.jp
a records
 
+ 202.222.160.33 202.222.160.0/19 AS7514 -
+ --- -

nia.ad.jp
a records
 
+ 202.222.160.10 202.222.160.0/19 AS7514 rigel.nia.ad.jp
+ --- rigel.nia.ad.jp
ns-soa records
ns1.mex.nia.ad.jp
+ 211.13.218.171 211.13.192.0/19 AS7514 ns1.infonia.net
+ --- ns1.infonia.net
ns records
ns.infonia.ne.jp
+ 202.222.162.18 202.222.160.0/19 AS7514 athena.infonia.ne.jp
+ --- athena.infonia.ne.jp
ns1.mex.nia.ad.jp
+ 211.13.218.171 211.13.192.0/19 AS7514 ns1.infonia.net
+ --- ns1.infonia.net
ns1.nia.ad.jp
+ 202.222.160.1 202.222.160.0/19 AS7514 bego.nia.ad.jp
+ --- bego.nia.ad.jp
ns2.mex.nia.ad.jp
+ 211.13.218.172 211.13.192.0/19 AS7514 ns2.infonia.net
+ --- ns2.infonia.net
ns2.nia.ad.jp
+ 202.222.160.2 202.222.160.0/19 AS7514 sirius.nia.ad.jp
+ --- sirius.nia.ad.jp
mx records
rigel.nia.ad.jp
+ 202.222.160.10 202.222.160.0/19 AS7514 -
+ --- -
ip numbers of host
202.222.160.33
ptrs of ip numbers
gw.nia.ad.jp
ip numbers using ptr to this host
202.222.160.33
nameservers missing in parent delegation
ns1.mex.nia.ad.jp
ns2.mex.nia.ad.jp