postmaster.heysender.com.kinstavalidation.app has no NS records.
NS records for this zone are defined at kinstavalidation.app.
NS records for this zone are defined at kinstavalidation.app.
Question and response
Question
dig postmaster.heysender.com.kinstavalidation.app. NS
Answer
The response has no answer records.
Authority
kinstavalidation.app. 1800 SOA elliott.ns.cloudflare.com. dns.cloudflare.com. 2397716693 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0