Domains with DNS TXT v=spf1 include:mailgun.org a:www2550.sakura.ne.jp mx ~all
There is 1 domain that have DNS TXT set to v=spf1 include:mailgun.org a:www2550.sakura.ne.jp mx ~all.
There is 1 domain that have DNS TXT set to v=spf1 include:mailgun.org a:www2550.sakura.ne.jp mx ~all.