≡ Menu

dns lookup

I would like to see the Time-to-live (TTL) value for a 'AAAA' and A record for domains. How do I see Time-to-live (TTL) for a DNS record under Unix or Linux operating systems using command line options?
[click to continue…]

Linux / Unix: Look Up IP Addresses

How can I look up IP addresses under UNIX or Linux operating systems using command line options?
[click to continue…]

Q. How do I find out which service is listening on a specific port? How do I find out what program is listening on a specific TCP Port?
[click to continue…]

How to Set Up DNS Lookup in Linux

Q. How do I setup DNS Lookup under any Linux distribution ?
[click to continue…]