Ssh and telent connection denied

Hi, i am getting the following issues while connecting to ssh and telent server
ssh connection

ssh paladugula@gw01.itversity.com

ssh: connect to host gw01.itversity.com port 22: Connection timed out

telenet

$ telnet gw03.itversity.com 22
Trying 149.56.31.128…
Connected to gw03.itversity.com.
Escape character is ‘^]’.
SSH-2.0-OpenSSH_7.4
Connection closed by foreign host.

Your gateway is gw03 not gw01. Please check with this.