Domains with DNS TXT v=spf1 include:_spf.mailer.medipc.nl include:spf_yzs.yard.nl include:spf_cluster.yard.nl -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.mailer.medipc.nl include:spf_yzs.yard.nl include:spf_cluster.yard.nl -all.