ns3.tripledns.eu has no NS records.
NS records for this zone are defined at tripledns.eu.
NS records for this zone are defined at tripledns.eu.
Question and response
Question
dig ns3.tripledns.eu. NS
Answer
The response has no answer records.
Authority
tripledns.eu. 10800 SOA ns1.hostserv.eu. dns.hosttech.eu. 2019010905 7200 120 2419200 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0