ahileas.lib.ntua.gr has no NS records.
NS records for this zone are defined at lib.ntua.gr.
NS records for this zone are defined at lib.ntua.gr.
Question and response
Question
dig ahileas.lib.ntua.gr. NS
Answer
The response has no answer records.
Authority
lib.ntua.gr. 86400 SOA achilles.noc.ntua.gr. noc.ntua.gr. 2025052601 43200 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0