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User-agent: DotBot
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User-agent: ltx71
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User-agent: seoscanners
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User-agent: SEOkicks
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User-agent: Baiduspider
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User-agent: Barkrowler
User-agent: aiHitBot
User-agent: Qwantify 
User-agent: xovi
User-agent: SearchmetricsBot
User-agent: BacklinkCrawler
Disallow:/