mx12.messageprovider.com has no NS records.
NS records for this zone are defined at messageprovider.com.
NS records for this zone are defined at messageprovider.com.
Question and response
Question
dig mx12.messageprovider.com. NS
Answer
The response has no answer records.
Authority
messageprovider.com. 60 SOA a1-66.akam.net. admin.dnstinations.com. 311405 10800 1080 2419200 60
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0