Domains with DNS TXT v=spf1 ip4:51.83.63.129 +a +mx include:spf.protection.outlook.com a:3975.submission.antispamcloud.com a:smarthost.o4scloud.com a:smarthost1.o4scloud.com a:smarthost2.o4scloud.com include:spf.hoasted.com ~all

There are 2 domains that have DNS TXT set to v=spf1 ip4:51.83.63.129 +a +mx include:spf.protection.outlook.com a:3975.submission.antispamcloud.com a:smarthost.o4scloud.com a:smarthost1.o4scloud.com a:smarthost2.o4scloud.com include:spf.hoasted.com ~all. The top 2 records ordered by domain rank are listed below.

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