dns.umbraco.io has no NS records.
NS records for this zone are defined at umbraco.io.
NS records for this zone are defined at umbraco.io.
Question and response
Question
dig dns.umbraco.io. NS
Answer
The response has no answer records.
Authority
umbraco.io. 1800 SOA kara.ns.cloudflare.com. dns.cloudflare.com. 2398467652 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0