Domains with DNS TXT v=spf1 ip4:217.28.193.16 ip4:217.28.193.18 -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:217.28.193.16 ip4:217.28.193.18 -all.
There is 1 domain that have DNS TXT set to v=spf1 ip4:217.28.193.16 ip4:217.28.193.18 -all.