0
votes
3answers
259 views

Pass arguments to a persistent telnet sessions

I have a whois service, which allows me to telnet to it and keep the telnet connection open without any time limit on it. I have to do thousands of whois through that telnet session. For example, to ...
0
votes
2answers
311 views

How do I do a nxdomain check?

my friend says this, but it doesn't work as it says "dig command not found" dig ns <domain>
3
votes
2answers
638 views

Does hitting this command in unix have a rate limit?

$whois somedomain.com What is the limit on this?