Domains with DNS TXT v=spf1 a mx include:spf.holtnijmegen.nl include:mailfilter.myrootnet.nl -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.holtnijmegen.nl include:mailfilter.myrootnet.nl -all.
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.holtnijmegen.nl include:mailfilter.myrootnet.nl -all.