testphp.nextra.sk has no NS records.
NS records for this zone are defined at nextra.sk.
NS records for this zone are defined at nextra.sk.
Question and response
Question
dig testphp.nextra.sk. NS
Answer
The response has no answer records.
Authority
nextra.sk. 900 SOA auth1.ns.benestra.sk. hostmaster.benestra.sk. 2024020103 86400 180 1209600 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0