Domains with DNS TXT v=spf1 a:s1.proxhost.nl a mx include:_spf.yourfilter.nl -all
There is 1 domain that have DNS TXT set to v=spf1 a:s1.proxhost.nl a mx include:_spf.yourfilter.nl -all.
There is 1 domain that have DNS TXT set to v=spf1 a:s1.proxhost.nl a mx include:_spf.yourfilter.nl -all.