Domains with DNS TXT v=spf1 mx a include:_spf.relay.mailprotect.be include:clients.summit.nl -all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:_spf.relay.mailprotect.be include:clients.summit.nl -all.
There is 1 domain that have DNS TXT set to v=spf1 mx a include:_spf.relay.mailprotect.be include:clients.summit.nl -all.