Question and response
Question
dig spf.usa.net. CSYNC
Answer
The response has no answer records.
Authority
spf.usa.net. 360 SOA cndvg001.usa.net. hostmaster.usa.net. 2025090701 1800 600 604800 3600
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0