Trouble accessing "Amazon.com" and its subdomains?

Question

Browsers

Often there were problems with the site "Amazon.com", "relay.amazon.com". Problems with other sites do not occur
Error
What is on the network
1. AD
2. Pfsense ( Router )
What I tried
1. Cleared the cache / cookies
2. Deleted / changed the browser
3. Used a different provider
4. Used a VPN
5. Cleaned the DNS cache There
is no proxy .

Answer 1

RKN

Answer 2

RomKomNadzor (RKN), here you can only wait.