Domains with DNS TXT v=spf1 ip4:144.217.158.194 ip4:172.16.3.1 mx a include:_spf.e1.a1center.net include:_spfgeneral.a1center.net ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:144.217.158.194 ip4:172.16.3.1 mx a include:_spf.e1.a1center.net include:_spfgeneral.a1center.net ~all.