Domains with DNS TXT v=spf1 include:spf.protection.outlook.com ip4:71.6.186.38 ip4:63.131.146.17 include:signaturetravelnetwork.com -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com ip4:71.6.186.38 ip4:63.131.146.17 include:signaturetravelnetwork.com -all.

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