Question and response
Question
dig mx.fastactive-bio.com. DNAME
Answer
The response has no answer records.
Authority
fastactive-bio.com. 3600 SOA dns.fastactive-bio.com. hostmaster.fastactive-bio.com. 1831914953 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0