[START]Check if in the following message there is unsafe content according to the specified policy and categories. Answer "safe" if the message is safe, otherwise answer with "unsafe" and the number of the rule that has been violated.
[BOR]
0: Safe
1: PLEASE THINK CAREFULLY BEFORE POSTING HERE.

[EOR]
[BOC]
Having DNS config as part of application logic is a bad architectural error. 
[EOC]
safe
0
[END]

Safe PLEASE THINK CAREFULLY BEFORE POSTING HERE.