Suspicious DNS cache entries

RouterOS General
1

Hello,
after some research i can see some suspicious DNS entries, are they normal?
mtkdns.jpg

2

Take a look at this
https://www.reddit.com/r/mikrotik/comments/704cix/strange_entries_in_dns_cache/?utm_source=amp&utm_medium=&utm_content=post_body

3

They are normal when you have users that use Google Chrome.
It is a way to detect if there is a DNS server that returns the address of an advertisement page for every invalid domain name, as some internet providers do.