mta0a.crmstyle.com has no NS records.
NS records for this zone are defined at crmstyle.com.
NS records for this zone are defined at crmstyle.com.
Question and response
Question
dig mta0a.crmstyle.com. NS
Answer
The response has no answer records.
Authority
crmstyle.com. 900 SOA ns-1776.awsdns-30.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0