Question and response
Question
dig _m1._spf.webex.com. TXT
Answer
_m1._spf.webex.com. 600 TXT "v=spf1 ip4:144.196.251.16/28 ip4:23.89.3.64/28 ip4:23.89.104.144/28 ip4:23.89.123.0/28 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0