go
alpha.carnet.hr has one IP number , but the reverse is mail.carnet.hr. mail.carnet.hr point to the same IP. hr use this as a mailserver. carnet.hr is a domain controlled by two nameservers at carnet.hr themselves. They are on the same IP network. Incoming mail for carnet.hr is handled by two mailservers also at carnet.hr. They are on the same IP network. alpha.carnet.hr is hosted on a server in Croatia.

alpha.carnet.hr
a records
 
+ 161.53.123.6 161.53.0.0/16 AS2108 mail.carnet.hr
+ --- mail.carnet.hr

carnet.hr
ns-soa records
dns.carnet.hr
+ 161.53.123.2 161.53.0.0/16 AS2108 -
+ --- -
ns records
dns.carnet.hr
+ 161.53.123.2 161.53.0.0/16 AS2108 -
+ --- -
dns2.carnet.hr
+ 161.53.160.2 161.53.0.0/16 AS2108 -
mx records
mail.carnet.hr
+ 161.53.123.6 161.53.0.0/16 AS2108 -
+ --- -
mx2.carnet.hr
+ 161.53.160.75 161.53.0.0/16 AS2108 -
ip numbers of host
161.53.123.6
ptrs of ip numbers
mail.carnet.hr
hostnames sharing ip with a-records
mail.carnet.hr
domains using this as mailserver
hr
domains using this as mailserver under another name
abuse.hr
azha.carnet.hr
carnet.hr
cursa.carnet.hr
intwww.carnet.hr
ntp.carnet.hr
online-baze.hr
rana.carnet.hr
ri.carnet.hr