Domains with DNS TXT v=spf1 mx a:mail.123domain.eu a:smtp1.mail.123domain.eu a:smtp2.mail.123domain.eu -all
There are 320 domains that have DNS TXT set to v=spf1 mx a:mail.123domain.eu a:smtp1.mail.123domain.eu a:smtp2.mail.123domain.eu -all. The top 50 records ordered by domain rank are listed below.