v=spf1 include:spf.deninet.hu include:_spf.google.com -all
v=spf1 a mx ip4:213.181.210.134 ip4:79.172.241.57 ip4:87.229.73.230 ip4:87.229.65.220 ip4:212.92.23.54 ip4:79.172.241.227 ip4:79.172.213.41 ip4:212.92.23.5 ip4:212.92.23.179 ip4:213.181.210.200 ip6:2a02:730::1470 ?all