DNS CACHES Problems

RouterOS Scripting
1

Hello -
as we checking in DNS cache , showing so many DNS caches as -
name: clould.mikrotik.com type: A Data: 81.198.87.240 TTL: 01:31:09
name:mobigifs.xyz type: A Data:172.64.160.4

why its happening and how to stop its
DNS CACHE.jpg

2

Not very special and cloud you can disable if not used under IP-Cloud.

Why do put your public address and port in the Google search machine by showing that here?
Please make those invisible to the gerneral public.