mail.vollebregtonline.nl has no NS records.
NS records for this zone are defined at vollebregtonline.nl.
NS records for this zone are defined at vollebregtonline.nl.
Question and response
Question
dig mail.vollebregtonline.nl. NS
Answer
The response has no answer records.
Authority
vollebregtonline.nl. 1800 SOA clarissa.ns.cloudflare.com. dns.cloudflare.com. 2399171239 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0