Domains with DNS TXT v=spf1 mx ip4:61.220.176.50 mx:mail.yusu.com.tw ~all
There is 1 domain that have DNS TXT set to v=spf1 mx ip4:61.220.176.50 mx:mail.yusu.com.tw ~all.
There is 1 domain that have DNS TXT set to v=spf1 mx ip4:61.220.176.50 mx:mail.yusu.com.tw ~all.