Domains with DNS TXT v=spf1 a mx a:spf.flexfilter.nl ip6:2a02:2968:0:0:1c00:ccff:fe00:e37 -all

There is 1 domain that have DNS TXT set to v=spf1 a mx a:spf.flexfilter.nl ip6:2a02:2968:0:0:1c00:ccff:fe00:e37 -all.

Top Domains with TXT set to v=spf1 a mx a:spf.flexfilter.nl ip6:2a02:2968:0:0:1c00:ccff:fe00:e37 -all