Question and response
Question
dig siel.nl. NS
Answer
siel.nl. 120 NS ns2.sielsystems.nl.
siel.nl. 120 NS ns1.sielsystems.nl.
Authority
The response has no authority records.
Additional
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0