1) Using WHOIS, NETCRAFT, HOST, NSLOOKUP, DIG Use two companies, one large and one not so large, like sears.com and gilbertsbakery.com with these two company domains use the tools identified on Linux (Kali) or Windows to get as much information as possible. Submit a report with the information you have learned and are there any differences between the two company reports. Be aware that doing this is legal, since these are public databases that maintain all of this information; we are not accessing any information on these specific domains. Show the results for each company and the results obtained after running these tools. Describe what you have learned?

You can use the GUI or CLI tools or one of these websites or you can use any means you like

http://www.whois.net

http://searchdns.netcraft.com

http://www.dnsstuff.com/tools

http://network-tools.com/nslook/

http://dig-nslookup.nmonitoring.com/dns-dig-nslookup.html

A netblock is a range of IP addresses. ISP's must be assigned addresses in blocks, and the larger the block that can be assigned to someone the better because that makes for less entries in the Internet routing tables for information on how to get to those addresses.

Sears

IPs:

NS:

Admin:

Date Reg:

Number of subdomain:

List the earliest subdomain:

What is the hosting company:

Netblock Owner:

IPs associated with A records:

MX:

Gilbertsbakery

IPs:

NS:

Admin:

Date Reg:

Number of subdomain:

List the earliest subdomain:

What is the hosting company:

Netblock Owner:

IPs associated with A records:_

MX:_

What can you discuss in comparing the results for these two companies? What DNS was used by the tool to obtain information (zone transfer) for your results?