Domains with DNS TXT v=spf1 mx a include:_spf.yourfilter.nl ip4:91.217.57.99 -all

There is 1 domain that have DNS TXT set to v=spf1 mx a include:_spf.yourfilter.nl ip4:91.217.57.99 -all.

Top Domains with TXT set to v=spf1 mx a include:_spf.yourfilter.nl ip4:91.217.57.99 -all