Error web proxy sso keytab

[marcelfreitas]

When trying to create the squid.keytab file I'm getting the following error message.
Someone could help me to know the reason for the error.
I'm integrating opnsense with os-web-proxy-sso.

Password for Administrador@FAROL.LOCAL:
-- init_password: Wiping the computer password structure
-- generate_new_password: Generating a new, random password for the computer account
-- generate_new_password:  Characters read from /dev/urandom = 91
-- get_dc_host: Attempting to find Domain Controller to use via DNS SRV record in domain FAROL.LOCAL for procotol tcp
-- get_dc_host: Attempting to find Domain Controller to use via DNS SRV record in domain FAROL.LOCAL for procotol udp
-- get_dc_host: Attempting to find a Domain Controller to use (DNS domain)
Error: gethostbyname failed
Error: get_dc_host failed
-- ~KRB5Context: Destroying Kerberos Context