Repo composer.amasty.com is not available

Repo composer.amasty.com is not available

Error on timeout 

[Composer\Downloader\TransportException]                                                                                                             
  curl error 28 while downloading https://composer.amasty.com/enterprise/packages/amasty/base-1.14.6.zip: Failed to connect to composer.amasty.com po  
  rt 443 after 10001 ms: Timeout was reached