dnsit02.vodafone.nl has no NS records.
NS records for this zone are defined at vodafone.nl.
NS records for this zone are defined at vodafone.nl.
Question and response
Question
dig dnsit02.vodafone.nl. NS
Answer
The response has no answer records.
Authority
vodafone.nl. 900 SOA dnsit01.vodafone.nl. postmaster.vodafone.nl. 2010775743 1800 180 1209600 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0