go
noah.ad.sdsc.edu has one IP number , which also has a corresponding reverse pointer. ad.sdsc.edu point to the same IP. ad.sdsc.edu and disastersafe.redcross.org use this as a nameserver. ad.sdsc.edu is a domain controlled by four nameservers at ad.sdsc.edu themselves. All of them are on the same IP network. Incoming mail for ad.sdsc.edu is handled by one mailserver at sdsc.edu. ad.sdsc.edu has four IP numbers. All of them are on the same IP network. noah.ad.sdsc.edu is hosted on a server in United States.

noah.ad.sdsc.edu
a records
 
+ 132.249.69.21 132.249.0.0/16 AS195 -
+ --- -

ad.sdsc.edu
a records
 
+ 132.249.69.21 132.249.0.0/16 AS195 noah.ad.sdsc.edu
+ --- noah.ad.sdsc.edu
+ 132.249.69.31 132.249.0.0/16 AS195 naamah.ad.sdsc.edu
+ --- naamah.ad.sdsc.edu
+ 132.249.69.65 132.249.0.0/16 AS195 eve.ad.sdsc.edu
+ --- eve.ad.sdsc.edu
+ 132.249.69.75 132.249.0.0/16 AS195 jacob.ad.sdsc.edu
+ --- jacob.ad.sdsc.edu
ns records
noah.ad.sdsc.edu
+ 132.249.69.21 132.249.0.0/16 AS195 -
+ --- -
naamah.ad.sdsc.edu
+ 132.249.69.31 132.249.0.0/16 AS195 -
eve.ad.sdsc.edu
+ 132.249.69.65 132.249.0.0/16 AS195 -
jacob.ad.sdsc.edu
+ 132.249.69.75 132.249.0.0/16 AS195 -
mx records
postal.sdsc.edu
+ 132.249.20.114 132.249.0.0/16 AS195 -
+ --- -
ip numbers of host
132.249.69.21
ptrs of ip numbers
noah.ad.sdsc.edu
ip numbers using ptr to this host
132.249.69.21
hostnames sharing ip with a-records
ad.sdsc.edu
domains using this as nameserver
ad.sdsc.edu
disastersafe.redcross.org