Domains with DNS TXT v=spf1 +a +mx +a:137.74.217.123 +ip6:2001:41d0:2:d406:: -all

There is 1 domain that have DNS TXT set to v=spf1 +a +mx +a:137.74.217.123 +ip6:2001:41d0:2:d406:: -all.

Top Domains with TXT set to v=spf1 +a +mx +a:137.74.217.123 +ip6:2001:41d0:2:d406:: -all