mx.srcphotography.com has no NS records.
NS records for this zone are defined at srcphotography.com.
NS records for this zone are defined at srcphotography.com.
Question and response
Question
dig mx.srcphotography.com. NS
Answer
The response has no answer records.
Authority
srcphotography.com. 3600 SOA dns.srcphotography.com. hostmaster.srcphotography.com. 1288724726 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0