Domains with DNS TXT v=spf1 include:_spf.realworks.nl include:_spf.yourfilter.nl +all

There is 1 domain that have DNS TXT set to v=spf1 include:_spf.realworks.nl include:_spf.yourfilter.nl +all.

Top Domains with TXT set to v=spf1 include:_spf.realworks.nl include:_spf.yourfilter.nl +all