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Dangers of placeholder domains (infosec.exchange)
submitted 6 months ago by to c/sysadmin@lemmy.world
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Great example of why using placeholders like xxx@deleteduser.com is a bad idea.

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[–] 8 points 6 months ago (3 children)

Apart from example.com are their any documentation only domains?

Credit cards have test numbers, IP addresses have TEST-NET1,2,and 3 for ipv4 and 2001:db8:: for V6.

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