Domains with DNS TXT v=spf1 a include:spf-de.emailsignatures365.com include:spf.sendinblue.com include:spf.cmspecialist.nl include:spf.protection.outlook.com include:_.smartroute.nl ip4:185.218.164.115 ip4:90.145.234.130 ip4:5.200.19.92 -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf-de.emailsignatures365.com include:spf.sendinblue.com include:spf.cmspecialist.nl include:spf.protection.outlook.com include:_.smartroute.nl ip4:185.218.164.115 ip4:90.145.234.130 ip4:5.200.19.92 -all.