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216.73.216.106
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yf1.a1.b.yahoo.net
google.com
microsoft.com
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apple.com
youtube.com
pinterest.com
wikipedia.org
amazon.com
216.73.216.106
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SPF
yf1.a1.b.yahoo.net
SPF record
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No SPF record
No SPF record found for yf1.a1.b.yahoo.net
check TXT records