ns1.groupflow.app has no NS records.
NS records for this zone are defined at groupflow.app.
NS records for this zone are defined at groupflow.app.
Question and response
Question
dig ns1.groupflow.app. NS
Answer
The response has no answer records.
Authority
groupflow.app. 3600 SOA ns1.groupflow.app. hostmaster.groupflow.app. 1 86400 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0