ftp.web3.node4web.at has no NS records.
NS records for this zone are defined at node4web.at.
NS records for this zone are defined at node4web.at.
Question and response
Question
dig web3.node4web.at. NS
Answer
The response has no answer records.
Authority
node4web.at. 3600 SOA nsx.fueber.org. dnsadmin.fueber.org. 2026012002 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0