Domains with DNS TXT v=spf1 mx a include:travelsmtp.com include:ziggo.nl include:spf.sinnerg.nl ~all

There is 1 domain that have DNS TXT set to v=spf1 mx a include:travelsmtp.com include:ziggo.nl include:spf.sinnerg.nl ~all.

Top Domains with TXT set to v=spf1 mx a include:travelsmtp.com include:ziggo.nl include:spf.sinnerg.nl ~all