How to ignore rewriting in preformatted code block?

Situation: alias.example.com is added in Multiple Domains plugin settings.

Case 1: Unable to show preformatted alias URL in my tutorial
https://alias.example.com/wp-json/xyz/

Returns

https://example.com/wp-json/xyz/

which forces me at the moment to write code in this way to bypass the problem

alias[dot]example[dot]com/ …

which I feel difficult for my visitors.

I want it to display
https://alias.example.com/wp-json/xyz/
When site accessed over example.com

I want to skip rewriting in case of preformatted text.

Case 2: It works as expected
If I keep just https://alias.example.com/wp-json/

It returns https://alias.example.com/wp-json/

At the moment, I need solution for the first case mainly.

Thanks