euf4400648-uat-ext.sys.ntt.eu has no NS records.
NS records for this zone are defined at sys.ntt.eu.
NS records for this zone are defined at sys.ntt.eu.
Question and response
Question
dig euf4400648-uat-ext.sys.ntt.eu. NS
Answer
The response has no answer records.
Authority
sys.ntt.eu. 2560 SOA ns0.ci.nttsvc.com. hostmaster.sys.ntt.eu. 1774093412 16384 2048 1048576 2560
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0