Domains with DNS TXT v=spf1 mx a include:ispgateway.de ip4:217.7.79.13 -all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:ispgateway.de ip4:217.7.79.13 -all.
There is 1 domain that have DNS TXT set to v=spf1 mx a include:ispgateway.de ip4:217.7.79.13 -all.