Domains with DNS TXT v=spf1 a mx include:glasoperator.nl include:_spf.yourfilter.nl include:_spf.google.com -all

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

Top Domains with TXT set to v=spf1 a mx include:glasoperator.nl include:_spf.yourfilter.nl include:_spf.google.com -all