Domains with DNS TXT v=spf1 ip4:128.199.121.23 include:mailgun.org ~all

There is 1 domain that have DNS TXT set to v=spf1 ip4:128.199.121.23 include:mailgun.org ~all.

Top Domains with TXT set to v=spf1 ip4:128.199.121.23 include:mailgun.org ~all