go
grdns-ath.ics.forth.gr has one IP number , but the reverse is grns-ath.ics.forth.gr. grns-ath.ics.forth.gr point to the same IP. gr, edu.gr, org.gr, gov.gr, com.gr and at least one other host use this as a nameserver. ics.forth.gr is a domain controlled by seven nameservers. Some of them are on the same IP network. Incoming mail for ics.forth.gr is handled by two mailservers at ics.forth.gr themselves. They are on the same IP network. ics.forth.gr has one IP number. grdns-ath.ics.forth.gr is hosted on a server in Greece.

grdns-ath.ics.forth.gr
a records
 
+ 139.91.250.41 139.91.250.0/24 AS8522 grns-ath.ics.forth.gr
+ --- grns-ath.ics.forth.gr

ics.forth.gr
a records
 
+ 139.91.151.170 139.91.0.0/16 AS8522  
+ ---  
ns-soa records
dns1.ics.forth.gr
+ 139.91.151.70 139.91.0.0/16 AS8522 -
+ --- -
ns records
grdns-at.ics.forth.gr
+ 193.171.255.40 193.170.0.0/15 AS1853 -
+ --- -
grdns-br.ics.forth.gr
+ 200.160.7.163 200.160.0.0/20 AS22548 -
grdns-de.denic.de
+ 81.91.161.80 81.91.160.0/20 AS8763 -
grdns-us.ics.forth.gr
+ 208.77.191.232 208.77.188.0/22 AS40528 -
grdns.ics.forth.gr
+ 139.91.1.1 139.91.0.0/16 AS8522 -
dns1.ics.forth.gr
+ 139.91.151.70 139.91.0.0/16 AS8522 -
estia.ics.forth.gr
+ 139.91.191.3 139.91.0.0/16 AS8522 -
mx records
mailgate.ics.forth.gr
+ 139.91.1.2 139.91.0.0/16 AS8522 -
+ --- -
mailgate-2.ics.forth.gr
+ 139.91.1.5 139.91.0.0/16 AS8522 -
ip numbers of host
139.91.250.41
ptrs of ip numbers
grns-ath.ics.forth.gr
hostnames sharing ip with a-records
grns-ath.ics.forth.gr
domains using this as nameserver
com.gr
edu.gr
gov.gr
gr
net.gr
org.gr