Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:mail.zendesk.com include:servers.mcsv.net include:_spf.mailer.twinfield.com ip4:217.62.26.55 ip4:185.40.255.128 ip4:217.195.120.175 ip4:217.195.120.174 ip4:5.172.42.10 -all

There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:mail.zendesk.com include:servers.mcsv.net include:_spf.mailer.twinfield.com ip4:217.62.26.55 ip4:185.40.255.128 ip4:217.195.120.175 ip4:217.195.120.174 ip4:5.172.42.10 -all.

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