Domains with DNS TXT v=spf1 include:spf.sendinblue.com include:columbia.edu ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.sendinblue.com include:columbia.edu ~all.

Top Domains with TXT set to v=spf1 include:spf.sendinblue.com include:columbia.edu ~all