[CentOS] Name Resolution Broken for One Address

> The following lines are in /etc/hosts
> 192.168.11.1    dev.example.com
> 192.168.11.1    dev1.example.com
>
> Pinging any other address that I try works, except dev.example.com.

Same IP?

Aren't you supposed to do that like this?

192.168.11.1  dev.example.com dev1.example.com





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