Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:ispgateway.de include:145512347.spf03.hubspotemail.net include:sender-sib.com include:mailin.fr -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:ispgateway.de include:145512347.spf03.hubspotemail.net include:sender-sib.com include:mailin.fr -all.