ssh client disconnect error

[luciop]

> Looks like a DNS problem.  Do you have a 127.0.0.1 <-> localhost mapping
> in your $SYSTEMROOT/system32/drivers/etc/hosts file?  Does forward and
> reverse lookup for localhost and 127.0.0.1 work outside of sshd?

i have check the hosts and the nslookup. 
what tools to use for reverse lookup?

$less /etc/hosts
127.0.0.1       localhost

$ nslookup localhost
Non-authoritative answer:
Server:  UnKnown
Address:  192.168.1.1:53

Name:    localhost
Address:  127.0.0.1




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