Domains with DNS TXT v=spf1 mx a:relay.introweb.nl a:smtp.schoolwerkplek.nl include:spf.protection.outlook.com include:_spf.mailplus.nl include:sendgrid.net ip4:62.165.65.144 ip4:136.144.243.211 -all
There is 1 domain that have DNS TXT set to v=spf1 mx a:relay.introweb.nl a:smtp.schoolwerkplek.nl include:spf.protection.outlook.com include:_spf.mailplus.nl include:sendgrid.net ip4:62.165.65.144 ip4:136.144.243.211 -all.