Domains with DNS TXT v=spf1 +a +mx +ip6:2a01:4f9:2b:9a::2 include:_spf.fastmail.gr include:relay.mailchannels.net -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip6:2a01:4f9:2b:9a::2 include:_spf.fastmail.gr include:relay.mailchannels.net -all.