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.

Top Domains with 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