Domains with DNS TXT v=spf1 +ip4:209.133.220.254 +include:relay.mailchannels.net +include:_spf.firebasemail.com ~all

There is 1 domain that have DNS TXT set to v=spf1 +ip4:209.133.220.254 +include:relay.mailchannels.net +include:_spf.firebasemail.com ~all.

Top Domains with TXT set to v=spf1 +ip4:209.133.220.254 +include:relay.mailchannels.net +include:_spf.firebasemail.com ~all