libra.tiscali.com has no CNAME records.
Question and response
Question
dig libra.tiscali.com. NS
Answer
The response has no answer records.
Authority
tiscali.com. 10800 SOA barakus.tiscali.com. nsadmin.it.tiscali.com. 2026020600 86400 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0