Domains with DNS TXT v=spf1 mx a include:ispgateway.de include:mail.your-server.de include:spf.smtp.net ~all

There is 1 domain that have DNS TXT set to v=spf1 mx a include:ispgateway.de include:mail.your-server.de include:spf.smtp.net ~all.

Top Domains with TXT set to v=spf1 mx a include:ispgateway.de include:mail.your-server.de include:spf.smtp.net ~all