Domains with DNS TXT v=spf1 a:mail.promennt.is include:spf.protection.outlook.com a:smtp.sip.is include:_spf.email.stefna.is -all

There is 1 domain that have DNS TXT set to v=spf1 a:mail.promennt.is include:spf.protection.outlook.com a:smtp.sip.is include:_spf.email.stefna.is -all.

Top Domains with TXT set to v=spf1 a:mail.promennt.is include:spf.protection.outlook.com a:smtp.sip.is include:_spf.email.stefna.is -all