Domains with DNS TXT v=spf1 mx:mnhd.hk a:mail.mnhd.hk -all

There is 1 domain that have DNS TXT set to v=spf1 mx:mnhd.hk a:mail.mnhd.hk -all.

Top Domains with TXT set to v=spf1 mx:mnhd.hk a:mail.mnhd.hk -all