Domains with DNS TXT v=spf1 ip4:192.81.170.12 ip4:192.81.171.250 +a +mx +ip4:192.81.170.15 +ip4:208.89.100.136 +include:spf.smtp2go.com +include:sparkpostmail.com -all

There are 12 domains that have DNS TXT set to v=spf1 ip4:192.81.170.12 ip4:192.81.171.250 +a +mx +ip4:192.81.170.15 +ip4:208.89.100.136 +include:spf.smtp2go.com +include:sparkpostmail.com -all. The top 12 records ordered by domain rank are listed below.

Top Domains with TXT set to v=spf1 ip4:192.81.170.12 ip4:192.81.171.250 +a +mx +ip4:192.81.170.15 +ip4:208.89.100.136 +include:spf.smtp2go.com +include:sparkpostmail.com -all