Domains with DNS TXT v=spf1 ip4:212.1.210.101 include:relay.mailchannels.net +ip4:31.170.163.51 +include:_spf.firebasemail.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:212.1.210.101 include:relay.mailchannels.net +ip4:31.170.163.51 +include:_spf.firebasemail.com ~all.