Question and response
Question
dig _spf-cust.clickmeeting.com. TXT
Answer
_spf-cust.clickmeeting.com. 3600 TXT "v=spf1 a:smtp-out.clickmeeting.com ip4:149.72.236.95 ip4:168.245.68.101 ip4:188.114.80.0/22 -all"
Authority
clickmeeting.com. 86400 NS ns31.constellix.com.
clickmeeting.com. 86400 NS ns41.constellix.net.
clickmeeting.com. 86400 NS ns51.constellix.net.
clickmeeting.com. 86400 NS ns61.constellix.net.
clickmeeting.com. 86400 NS ns11.constellix.com.
clickmeeting.com. 86400 NS ns21.constellix.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0