Domains with DNS TXT v=spf1 ip4:164.160.89.21 ip4:164.160.91.29 +a +mx -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:164.160.89.21 ip4:164.160.91.29 +a +mx -all.
There is 1 domain that have DNS TXT set to v=spf1 ip4:164.160.89.21 ip4:164.160.91.29 +a +mx -all.