v=spf1 include:et._spf.pardot.com -all
v=spf1 ip4:198.245.81.0/24 ip4:136.147.176.0/24 ip4:13.111.0.0/16 ip4:136.147.182.0/24 ip4:136.147.135.0/24 ip4:199.122.123.0/24 -all
