How to monitor the site?

Question

Domain name market

Recently , Timeweb does not give errors when the site is unavailable, but redirects to a page like bitrix148.timeweb.ru/error_domain.htm?ref=yourdomen.ru
within 12 hours.
How to set up monitoring so as not to fall for this trick?
It is clear that you need to move away from Timeweb, they have regular problems and violations of the agreement every autumn, but this is another matter.

Answer 1

Set up an elementary curl and so that it makes a request once a minute for a crown and looks for exactly a certain piece of code from the page of your site, if it is not there, it sends you a notification by mail.

Answer 2

ping-admin, monitoring with search for text on the page

Answer 3

By the way, yes ... how autumn is so problems, that's for sure ...
But one of my domains is spinning under Wordpress, it has a JetPack plugin, it perfectly burns performance ...
But you can't raise a whole WP for such a simple function.
You can just look not at HTML, but say at a TXT file with some thread of code, it happened to know yours, it didn’t match to know failure ...