Question and response
Question
dig spfc._spf.cisco.com. TXT
Answer
spfc._spf.cisco.com. 600 TXT "v=spf1 ip4:64.101.210.224/28 ip4:173.37.227.240/28 ip4:173.37.135.112/28 mx:res.cisco.com mx:sco.cisco.com ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0