Domains with DNS TXT v=spf1 mx a include:spf.host.it include:topnet.it ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:spf.host.it include:topnet.it ~all.
There is 1 domain that have DNS TXT set to v=spf1 mx a include:spf.host.it include:topnet.it ~all.