nslookup command is used to verify DNS settings. To find A record of a domain, run Example boby@hon-pc-01:~ $ nslookup www.flashwebhost.in Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: www.flashwebhost.in canonical name = ppy82.x.incapdns.net. Name: ppy82.x.incapdns.net Address: 107.154.168.41 boby@hon-pc-01:~ $ Find MX