DNS/Webhosting question

Mykroft Holmes IV mykroft at mykroft.com
Fri Nov 14 13:33:34 PST 2003

Darryl Hoar wrote:

>What tools exist in Freebsd to determine the primary dsn server for a domain
>Also, is there a way to determine the company hosting a website ?
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to determine  primary DNS server:

whois -h whois.networksolutions.com domainname.com (Only works for .com 
.net and .org domains)
nslookup -q=NS domainname.com
dig domainname.com

To determine who hosts the domain is harder.
You can traceroute to it (Which should at least give you the upstream 
ISP) or you can do a whois against the IP like:
whois -h whois.arin.net ip.ip.ip.ip 
substitute RIPE or APNIC's whois servers for whois.arin.net when dealing 
with non-North American IP's.
This wil also give you the upstream ISP usually.


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