Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.ess.barracudanetworks.com include:spf.sendinblue.com a:smtp.nextgenerationnetworks.nl ip4:37.48.117.206 ip4:193.169.51.23 ip4:193.169.51.4 -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.ess.barracudanetworks.com include:spf.sendinblue.com a:smtp.nextgenerationnetworks.nl ip4:37.48.117.206 ip4:193.169.51.23 ip4:193.169.51.4 -all.

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