Domains with DNS TXT v=spf1 a mx include:spf.apollo-it.cz include:_emailing.heureka.cz include:_spf.vhost.cz include:spf.protection.outlook.com -all

There are 18 domains that have DNS TXT set to v=spf1 a mx include:spf.apollo-it.cz include:_emailing.heureka.cz include:_spf.vhost.cz include:spf.protection.outlook.com -all. The top 18 records ordered by domain rank are listed below.

We're currently tracking 392,869,100 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.