go
ns.esat.net has one IP number , but the reverse is ns1.ns.esat.net. ns.isi.ie, ns.ieunet.ie and ns1.ns.esat.net point to the same IP. ns3.ns.esat.net, ns4.ns.esat.net, ns5.ns.esat.net, ns1.ns.esat.net, ns2.ns.esat.net and at least eleven other hosts are subdomains to this hostname. esat.net is a domain controlled by two nameservers at ns.esat.net. They are on different IP networks. Incoming mail for esat.net is handled by one mailserver having a total of two IP numbers. They are on different IP networks. esat.net has one IP number. ns.esat.net is hosted on a server in Ireland.

ns.esat.net
a records
 
+ 192.111.39.1 192.111.39.0/24 AS2110 ns1.ns.esat.net
+ --- ns1.ns.esat.net

esat.net
a records
 
+ 193.95.153.20 193.95.128.0/18 AS2110  
+ ---  
ns-soa records
auth02.ns.esat.net
+ 193.95.142.60 193.95.128.0/18 AS2110 -
+ --- -
ns records
auth02.ns.esat.net
+ 193.95.142.60 193.95.128.0/18 AS2110 -
+ --- -
sec02.ns.esat.net
+ 192.111.39.112 192.111.39.0/24 AS2110 -
mx records
avas.mail.esat.net
+ 193.95.133.4 193.95.128.0/18 AS2110 avas02.mail.esat.net
+ --- avas02.mail.esat.net
+ 193.120.10.7 193.120.0.0/16 AS2110 avas01.mail.esat.net
+ --- avas01.mail.esat.net
ip numbers of host
192.111.39.1
ptrs of ip numbers
ns1.ns.esat.net
hostnames sharing ip with a-records
ns.ieunet.ie
ns.isi.ie
ns1.ns.esat.net
domains using this as nameserver under another name
210.120.193.in-addr.arpa
212.120.193.in-addr.arpa
225.135.192.in-addr.arpa
dillonsdirect.com
galileodub.com
graftonplc.com
mentec.ie
nationwideauctioneersandvaluers.net
nationwideforeignexchange.net
nationwideinternationalfinancialservices.com
nationwideinternationalfinancialservices.net
nationwidestockbrokers.net
nationwideunittrustmanagement.net
ossian.se
paneurop.com
thehomegateway.com
thehomegateway.net
wbtcourses.com
subdomains
ac01-old.ns.esat.net
ac01.ns.esat.net
ac02-old.ns.esat.net
ac02.ns.esat.net
auth01.ns.esat.net
auth02-new.ns.esat.net
auth02.ns.esat.net
auth03.ns.esat.net
dnsns3.ns.esat.net
ns1.ns.esat.net
ns2.ns.esat.net
ns3.ns.esat.net
ns4.ns.esat.net
ns5.ns.esat.net
sec01.ns.esat.net
sec02.ns.esat.net