The Nature of TCP IP Programing Whois and Nslookup Commands Project-MC .

Project 7 According to SMTP, an e-mail must have a point of origin. However, due to the very nature of TCP/IP, that point of origin can be spoofed in several ways. Using the whois and nslookup commands, discover all the fully qualified domain names of all of the IP addresses (in bold type) in the e-mail headers shown here. Compare these to the apparent senders’ fully qualified domain names.