Domains with DNS TXT v=spf1 +a +mx +a:ns1.usm66.siteground.biz include:_spf.mailspamprotection.com ~all
There are 16 domains that have DNS TXT set to v=spf1 +a +mx +a:ns1.usm66.siteground.biz include:_spf.mailspamprotection.com ~all. The top 16 records ordered by domain rank are listed below.