Domains with DNS TXT v=spf1 a mx include:_spf.c4web.nl include:spf.protection.outlook.com include:relay.kinstamailservice.com include:_spf.smtp.com -all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.c4web.nl include:spf.protection.outlook.com include:relay.kinstamailservice.com include:_spf.smtp.com -all.

Top Domains with TXT set to v=spf1 a mx include:_spf.c4web.nl include:spf.protection.outlook.com include:relay.kinstamailservice.com include:_spf.smtp.com -all