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