Domains with DNS TXT v=spf1 include:spf.flowmailer.net +a +mx +a:zzh.networkoperations.nl -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.flowmailer.net +a +mx +a:zzh.networkoperations.nl -all.

Top Domains with TXT set to v=spf1 include:spf.flowmailer.net +a +mx +a:zzh.networkoperations.nl -all