TLS Fundamentals: Ep.8 – Final Challenge

Hello im stuck at first step only 

this is what i get when i try to execute command. please help me get this resolved i need to complete this training asap.

iml-user@secure-ops-wireshark-with-nginx:~/Desktop$ openssl s_client -connect www.immersivelabs.com:443

40C7EB6B167F0000:error:8000006E:system library:BIO_connect:Connection timed out:../crypto/bio/bio_sock2.c:114:calling connect()
40C7EB6B167F0000:error:10000067:BIO routines:BIO_connect:connect error:../crypto/bio/bio_sock2.c:116:
40C7EB6B167F0000:error:8000006E:system library:BIO_connect:Connection timed out:../crypto/bio/bio_sock2.c:114:calling connect()
40C7EB6B167F0000:error:10000067:BIO routines:BIO_connect:connect error:../crypto/bio/bio_sock2.c:116:
40C7EB6B167F0000:error:8000006E:system library:BIO_connect:Connection timed out:../crypto/bio/bio_sock2.c:114:calling connect()
40C7EB6B167F0000:error:10000067:BIO routines:BIO_connect:connect error:../crypto/bio/bio_sock2.c:116:
connect:errno=110