Domains with DNS TXT v=spf1 mx a include:_spf.webhosting.systems include:_spf.ext.nrw.schule -all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:_spf.webhosting.systems include:_spf.ext.nrw.schule -all.
There is 1 domain that have DNS TXT set to v=spf1 mx a include:_spf.webhosting.systems include:_spf.ext.nrw.schule -all.