Domains with DNS TXT v=spf1 mx a:smtp.aragon.de a:secure-mx.aragon.de include:_netblock.aragon.de -all
There is 1 domain that have DNS TXT set to v=spf1 mx a:smtp.aragon.de a:secure-mx.aragon.de include:_netblock.aragon.de -all.
There is 1 domain that have DNS TXT set to v=spf1 mx a:smtp.aragon.de a:secure-mx.aragon.de include:_netblock.aragon.de -all.