Question and response
Question
dig mx6.macau.ctm.net. SPF
Answer
The response has no answer records.
Authority
macau.ctm.net. 3600 SOA vassun1.macau.ctm.net. helpdesk.macau.ctm.net. 2016073723 86400 7200 2419200 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0