dns.exetertourist.com has no NS records.
NS records for this zone are defined at exetertourist.com.
NS records for this zone are defined at exetertourist.com.
Question and response
Question
dig dns.exetertourist.com. NS
Answer
The response has no answer records.
Authority
exetertourist.com. 3600 SOA dns.exetertourist.com. hostmaster.exetertourist.com. 1489888412 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0