Domains with DNS TXT v=spf1 a mx ip4:159.253.56.221 ip6:2a00:1a90:4002:9::5 include:spf.cust.host-it.co.uk -all

There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:159.253.56.221 ip6:2a00:1a90:4002:9::5 include:spf.cust.host-it.co.uk -all.

Top Domains with TXT set to v=spf1 a mx ip4:159.253.56.221 ip6:2a00:1a90:4002:9::5 include:spf.cust.host-it.co.uk -all