mx.oldfloridalumbercompany.com has no NS records.
NS records for this zone are defined at oldfloridalumbercompany.com.
NS records for this zone are defined at oldfloridalumbercompany.com.
Question and response
Question
dig mx.oldfloridalumbercompany.com. NS
Answer
The response has no answer records.
Authority
oldfloridalumbercompany.com. 3600 SOA dns.oldfloridalumbercompany.com. hostmaster.oldfloridalumbercompany.com. 1622582808 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0