connect.linxa.com has no NS records.
NS records for this zone are defined at linxa.com.
NS records for this zone are defined at linxa.com.
Question and response
Question
dig connect.linxa.com. NS
Answer
The response has no answer records.
Authority
linxa.com. 1800 SOA donald.ns.cloudflare.com. dns.cloudflare.com. 2398236048 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0