To test absolute DNS name us can use `curl` ``` [root@safarov-server ~]# curl -v telnet://ipv6.test-ipv6.com.:80 * Rebuilt URL to: telnet://ipv6.test-ipv6.com.:80/ * Trying 2001:470:1:18::115... * TCP_NODELAY set * Connected to ipv6.test-ipv6.com (2001:470:1:18::115) port 80 (#0) ```