Question and response
Question
dig us.cdnetworks.com. TXT
Answer
us.cdnetworks.com. 300 TXT "v=spf1 ip4:116.193.95.202 ip4:174.35.12.35 ip4:116.193.90.227 ip4:116.193.90.228 ip4:4.79.218.10 ip4:211.233.40.78 ip4:218.50.1.115 include:emailsrvr.com ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0