Email security & deliverability · grade A
v=spf1 ip4:210.190.113.0/24 include:spf-b.mynavi.jp include:_netblocks.google.com include:u1836477.wl.sendgrid.net include:spf.mta.hdems.com exists:%{i}._spf.mynavi.jp include:spf-bma.mpme.jp include:spf.protection.outlook.com ip4:202.230.220.33 ip4:202.230.220.34 ip4:202.230.220.35 ip4:158.201.241.166 ip4:158.201.241.38 ~all