Domains with DNS TXT v=spf1 a include:_spf.onlinespamfilter.nl include:spf.transsmart.com -all

There is 1 domain that have DNS TXT set to v=spf1 a include:_spf.onlinespamfilter.nl include:spf.transsmart.com -all.

Top Domains with TXT set to v=spf1 a include:_spf.onlinespamfilter.nl include:spf.transsmart.com -all