Domains with DNS TXT v=spf1 ip4:104.237.59.250 include:relay01.why3s.com ip4:64.188.5.3 +a +mx ~all

There are 16 domains that have DNS TXT set to v=spf1 ip4:104.237.59.250 include:relay01.why3s.com ip4:64.188.5.3 +a +mx ~all. The top 16 records ordered by domain rank are listed below.

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