Email security & deliverability · grade A
v=spf1 include:spfint.lbl.gov ip6:2001:400:310::/64 ip4:198.124.252.166 ip4:198.129.252.90 ip6:2001:400:210:3::3 ip6:2001:400:6440:3::3 ip6:2001:400:ffff:ffff:ffff:ffff:ffff:ff25 ~all