o2.ptr3975.linkagency.la has no MX records.
Question and response
Question
dig o2.ptr3975.linkagency.la. MX
Answer
The response has no answer records.
Authority
linkagency.la. 60 SOA ns1.dreamhost.com. hostmaster.dreamhost.com. 2026022304 17689 600 1814400 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0