Domains with DNS TXT v=spf1 +a +mx +ip6:2a02:c500:6:6::1 include:_spf.fastmail.gr include:eventsairmail.com include:sendgrid.net -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip6:2a02:c500:6:6::1 include:_spf.fastmail.gr include:eventsairmail.com include:sendgrid.net -all.