ns3.eb.be has no CNAME records.
Question and response
Question
dig ns3.eb.be. NS
Answer
The response has no answer records.
Authority
eb.be. 600 SOA ns1.ebusiness.be. dns.ebusiness.be. 2025062705 10800 3600 604801 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0