go
c.nic.li has one IP number , but the reverse is rip.psg.com. c.nic.ch and rip.psg.com point to the same IP. li use this as a nameserver. nic.li has one IP number. c.nic.li is hosted on a server in Japan even though the hostname implies Liechtenstein.

c.nic.li
a records
 
+ 147.28.0.39 147.28.0.0/16 AS3130 rip.psg.com
+ --- rip.psg.com

nic.li
a records
 
+ 130.59.31.247 130.59.0.0/16 AS559  
+ ---  
ip numbers of host
147.28.0.39
ptrs of ip numbers
rip.psg.com
hostnames sharing ip with a-records
c.nic.ch
rip.psg.com
domains using this as nameserver
li
domains using this as nameserver under another name
163.32.198.in-addr.arpa
67.130.in-addr.arpa
ac.il
afnog.org
amnic.net
aub.edu.lb
cequrux.com
ch
co.il
com.al
com.eg
com.gh
com.lb
debbi.nl
dont.no
edu.al
edu.gh
edu.lb
eun.eg
gh.com
gov.al
gov.gh
gov.sa
hactrn.net
iafrica.com
k12.il
medianet.ie
mil.al
mil.gh
mtn.co.ug
net.al
net.gh
net.il
net.sa
nsrc.org
org.al
org.eg
org.gh
org.il
partan.com
sci.eg
scu.eun.eg
telkom.co.za
tucson.az.us
usp.ac.fj
uunet.co.za