Question and response
Question
dig spfb._spf.cisco.com. TXT
Answer
spfb._spf.cisco.com. 600 TXT "v=spf1 ip4:64.104.15.96/27 ip4:64.104.3.128/25 ip4:173.36.137.128/26 ip4:64.102.19.192/26 ip4:173.36.136.0/24 ip4:184.94.240.0/20 ip4:68.232.129.181 ip4:68.232.135.80 ip4:208.90.56.0/21 include:spfc._spf.cisco.com ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0