Domains with DNS TXT v=spf1 +a +mx +ip6:2a01:4f8:121:103c::4 -all

There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip6:2a01:4f8:121:103c::4 -all.

Top Domains with TXT set to v=spf1 +a +mx +ip6:2a01:4f8:121:103c::4 -all