Domains with DNS TXT v=spf1 a mx include:relay.mailchannels.net include:_spf.google.com ~all v=spf1 include:spf.sendinblue.com mx ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:relay.mailchannels.net include:_spf.google.com ~all v=spf1 include:spf.sendinblue.com mx ~all.