Domains with DNS TXT v=spf1 mx a include:_spf.xtsystem.it ip4:89.40.175.159 -all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:_spf.xtsystem.it ip4:89.40.175.159 -all.
There is 1 domain that have DNS TXT set to v=spf1 mx a include:_spf.xtsystem.it ip4:89.40.175.159 -all.