Summary
ns1.itaweb.com has one IP number , which also has a corresponding reverse pointer.
pvm.it,
stic.it,
sofy.it,
merser.it,
stwww.com and at least 100 other hosts use this as a nameserver.
itaweb.com is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. All of them are on the same IP network.
itaweb.com has one IP number.
ns1.itaweb.com is hosted on a server in United States.