Я могу попасть на rsdn, только зная конкретный урл
curl -v http://rsdn.org/
* Trying 95.165.130.157:80...
* TCP_NODELAY set
* Connected to rsdn.org (95.165.130.157) port 80 (#0)
> GET / HTTP/1.1
> Host: rsdn.org
> User-Agent: curl/7.68.0
> Accept: */*
>
* Mark bundle as not supporting multiuse
< HTTP/1.1 301 Moved Permanently
< Content-Type: text/html; charset=UTF-8
< Location: http://rsdn.org/
< Server: Microsoft-IIS/8.5
< Date: Mon, 14 Mar 2022 05:14:50 GMT
< Content-Length: 139
<
<head><title>Document Moved</title></head>
* Connection #0 to host rsdn.org left intact
<body><h1>Object Moved</h1>This document may be found <a HREF="http://rsdn.org/">here</a></body>
