Domains with DNS TXT v=spf1 a mx ptr include:comcast.net include:webtent.net -all

There is 1 domain that have DNS TXT set to v=spf1 a mx ptr include:comcast.net include:webtent.net -all.

Top Domains with TXT set to v=spf1 a mx ptr include:comcast.net include:webtent.net -all