mx.jfkassassinationtours.com has no NS records.
NS records for this zone are defined at jfkassassinationtours.com.
NS records for this zone are defined at jfkassassinationtours.com.
Question and response
Question
dig mx.jfkassassinationtours.com. NS
Answer
The response has no answer records.
Authority
jfkassassinationtours.com. 3600 SOA dns.jfkassassinationtours.com. hostmaster.jfkassassinationtours.com. 1241742765 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0