submitted 5 months ago by wewbull@feddit.uk 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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[-] slazer2au@lemmy.world 8 points 5 months ago

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.

[-] frongt@lemmy.zip 7 points 5 months ago

[-] slazer2au@lemmy.world 1 points 5 months ago

.onion or arpa are good ones.

[-] SkaveRat@discuss.tchncs.de 6 points 5 months ago

example.net and example.org

this post was submitted on 20 Apr 2026

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