ipam.itbatera.euskadi.eus has no CNAME records.
Question and response
Question
dig ipam.itbatera.euskadi.eus. NS
Answer
The response has no answer records.
Authority
euskadi.eus. 3589 SOA dns.smart. empty.empty. 4177 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0