Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf_yzs.yard.nl include:spf_cluster.yard.nl a:firewall.zon-ict.nl -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf_yzs.yard.nl include:spf_cluster.yard.nl a:firewall.zon-ict.nl -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:spf_yzs.yard.nl include:spf_cluster.yard.nl a:firewall.zon-ict.nl -all