It appears [1] that Russia's Ministry of Defense website is getting blocked for all IPs outside of Russia.
This seems deliberate as the request's answer is a HTTP 418 :
$ curl -v "https://eng.mil.ru/" * Trying 82.202.189.138:443... * Connected to eng.mil.ru (82.202.189.138) port 443 (#0) [...] > GET / HTTP/2 > Host: eng.mil.ru > user-agent: curl/7.77.0 > accept: */* > * Connection state changed (MAX_CONCURRENT_STREAMS == 128)! < HTTP/2 418 < date: Fri, 17 Dec 2021 16:24:13 GMT < content-length: 0 < server: Ministry of Defence of the Russian Federation < * Connection #0 to host eng.mil.ru left intact
It appears [1] that Russia's Ministry of Defense website is getting blocked for all IPs outside of Russia.
This seems deliberate as the request's answer is a HTTP 418 :
[1] https://twitter.com/tom_bullock_/status/1471867831629266951