Domains with DNS TXT v=spf1 a mx ptr include:spf.protection.outlook.com a:smtp.mail3000.nl a:smtp2.mail3000.nl ~all
There are 6 domains that have DNS TXT set to v=spf1 a mx ptr include:spf.protection.outlook.com a:smtp.mail3000.nl a:smtp2.mail3000.nl ~all. The top 6 records ordered by domain rank are listed below.