ns4.adacor.net has no NS records.
NS records for this zone are defined at adacor.net.
NS records for this zone are defined at adacor.net.
Question and response
Question
dig ns4.adacor.net. NS
Answer
The response has no answer records.
Authority
adacor.net. 3600 SOA ns.europe.adacor.net. hostmaster.adacor.net. 2026031204 28800 7200 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0