go
berkeley14.ais.ucla.edu has one IP number , which also has a corresponding reverse pointer. uc.berkeley.edu point to the same IP. ais.ucla.edu is a domain controlled by five nameservers. All of them are on different IP networks. Incoming mail for ais.ucla.edu is handled by two mailservers at em.ucla.edu. They are on the same IP network. berkeley14.ais.ucla.edu is hosted on a server in United States.

berkeley14.ais.ucla.edu
a records
 
+ 128.97.98.14 128.97.0.0/16 AS52 -
+ --- -

ais.ucla.edu
ns-soa records
dns.ais.ucla.edu
+ 164.67.134.3 164.67.0.0/16 AS52 -
+ --- -
ns records
ns2.dns.ucla.edu
+ 192.12.234.140 192.12.234.0/24 AS25 ucla-ns.berkeley.edu
+ --- ucla-ns.berkeley.edu
dns.ais.ucla.edu
+ 164.67.134.3 164.67.0.0/16 AS52 -
+ --- -
ns4.dns.ucla.edu
+ 128.171.28.220 128.171.0.0/16 AS6360  
+ ---  
ns3.dns.ucla.edu
+ 192.35.210.7 192.35.210.0/24 AS12 -
+ --- -
ns1.dns.ucla.edu
+ 192.35.225.7 192.35.225.0/24 AS52 -
mx records
nospam8.em.ucla.edu
+ 169.232.40.94 169.232.0.0/16 AS52 library.em.ucla.edu
+ --- library.em.ucla.edu
+ --- -
+ --- nospam8.ad.ucla.edu
nospam9.em.ucla.edu
+ 169.232.40.95 169.232.0.0/16 AS52 library.em.ucla.edu
+ --- library.em.ucla.edu
+ --- -
+ --- nospam9.ad.ucla.edu
ip numbers of host
128.97.98.14
ptrs of ip numbers
berkeley14.ais.ucla.edu
ip numbers using ptr to this host
128.97.98.14
hostnames sharing ip with a-records
uc.berkeley.edu